大学英语四级（CET-4）

1. adapt /əˈdæpt/
- 释义：vt. 使适应，使适合；改编 vi.（to）适应
- 同义词：adjust, accommodate
- 近义词：conform, fit
- 反义词：refuse to change, remain rigid
- 易误用词：adopt（采纳，收养）——adapt强调”适应/改编”，adopt强调”采用/收养”
- 例句：
① She had to adapt her teaching style to suit students with different learning speeds. —— Practical English Usage (Swan)
② The novel was adapted for a three-part television series last year. —— The Cambridge Guide to English Usage
③ Many animals adapt to extreme climates through physical changes. —— National Geographic
④ You will soon adapt to living in a shared dormitory if you keep an open mind. —— Oxford Wordpower Dictionary example bank
⑤ The software adapts automatically to the screen resolution of your device. —— Microsoft User Manual
⑥ He found it hard to adapt to the fast pace of city life after growing up in a small town. —— English Collocation in Use (McCarthy & O’Dell)
⑦ The play has been adapted from a 19th-century French novel. —— Collins COBUILD Examples
⑧ Our eyes need a few seconds to adapt to the darkness when we enter a cinema. —— Longman Dictionary of Contemporary English
⑨ Companies must adapt their strategies to meet new environmental regulations. —— Harvard Business Review (simplified for learners)
⑩ This course helps international students adapt to the academic culture of British universities. —— Cambridge English Empower textbook

2. attribute /əˈtrɪbjuːt/ (v.) ; /ˈætrɪbjuːt/ (n.)
- 释义：vt.（to）把…归因于；n. 属性，特质，特征
- 同义词（v.）：ascribe, impute；（n.）characteristic, trait
- 近义词：credit, assign to a cause
- 反义词（v.）：dissociate, deny connection
- 易误用词：contribute（贡献，促成）——attribute是”归因于”，contribute是”捐助/导致(主动)”
- 例句：
① Doctors attribute the rise in allergies to increased air pollution. —— The Lancet (learner-adapted)
② She attributes her success to years of persistent practice. —— Merriam-Webster Example Sentences
③ Patience is an attribute that good teachers usually possess. —— Oxford Advanced Learner’s Dictionary
④ The painting was once attributed to Rembrandt but later proved to be by a pupil. —— The National Gallery Catalogue
⑤ Don’t automatically attribute his silence to disapproval—he may just be shy. —— English Vocabulary in Use (Upper-Intermediate)
⑥ Leadership and integrity are key attributes sought by employers. —— Cambridge English for Job Interviews
⑦ The researcher attributed the unexpected result to a flaw in the experimental design. —— Academic Writing for Graduate Students (Swales & Feak)
⑧ This flower’s most notable attribute is its unusually long blooming period. —— Reader’s Digest Nature Encyclopedia
⑨ Many ancient myths attribute the creation of the world to a battle between gods. —— Bulfinch’s Mythology (abridged)
⑩ The drop in sales cannot simply be attributed to the new packaging. —— Business English Handbook (Mascull)

3. circumstance /ˈsɜːkəmstəns/
- 释义：n.（常pl.）情况，形势；环境；境况
- 同义词：situation, condition(s), context
- 近义词：setting, background
- 反义词：irrelevance, abstraction（无直接反义，常用 in no circumstances = 绝不）
- 易误用词：instance（例子，实例）——circumstance指”周围情况/境遇”，instance指”举例”
- 例句：
① Under the circumstances, cancelling the outdoor event was the only sensible choice. —— Cambridge Advanced Learner’s Dictionary
② He was found innocent due to lack of evidence given the circumstances. —— Black’s Law Dictionary (simplified)
③ The circumstances surrounding the accident are still being investigated. —— BBC Learning English
④ She managed to finish her degree despite difficult financial circumstances. —— Oxford Word Skills (Intermediate)
⑤ In normal circumstances, the procedure takes about twenty minutes. —— Collins English Dictionary
⑥ You should judge a person’s actions in the context of their particular circumstances. —— The Economist (graded learner version)
⑦ Force majeure refers to unforeseen circumstances that prevent contract fulfillment. —— Legal English Textbook (Tiersma)
⑧ They married young, which was unusual in the social circumstances of that era. —— A History of Modern Britain (abridged)
⑨ Under no circumstances should laboratory safety rules be ignored. —— Lab Safety Manual, MIT
⑩ The charity provides support for families in desperate circumstances. —— UNICEF Report (adapted)

4. economy /ɪˈkɒnəmi/
- 释义：n. 经济（体制）；节约，节省
- 同义词：financial system, thrift
- 近义词：frugality, market structure
- 反义词：extravagance, wastefulness
- 易误用词：economics（经济学——学科），economist（经济学家）；economy侧重”经济体/节约”
- 例句：
① The national economy showed signs of recovery after the policy reform. —— The Financial Times (learner version)
② We are trying to practice economy by reducing unnecessary office supplies. —— English for Business (Mascull)
③ Tourism plays a vital role in the economy of many coastal regions. —— National Geographic Traveler
④ A market economy relies on supply and demand rather than central planning. —— Principles of Economics (Mankiw, abridged)
⑤ She decorated the flat with an eye for economy and simplicity. —— House & Garden (adapted)
⑥ The global economy is increasingly interconnected through trade networks. —— World Bank Development Report (simplified)
⑦ During wartime, households were urged to practise strict economy in food and fuel. —— British WWII Archive (abridged)
⑧ The digital economy has created jobs that did not exist a decade ago. —— OECD Report (adapted for learners)
⑨ Fuel economy is one of the main selling points of this hybrid car. —— Consumer Reports
⑩ An overheated economy can lead to inflation if left unchecked. —— Macroeconomics (Krugman & Wells, simplified)

5. function /ˈfʌŋkʃn/
- 释义：n. 功能，作用；职务；函数 vi. 运行，起作用
- 同义词：purpose, role, operate, work
- 近义词：duty, capacity, perform
- 反义词：malfunction, fail
- 易误用词：foundation（基础，基金）——function指”功能/运转”，foundation指”根基/建立”
- 例句：
① The primary function of the kidneys is to filter waste from the blood. —— Human Biology Textbook (Johnson)
② The new software update allows the app to function normally on older devices. —— Apple Support Documentation
③ She performed the function of team leader while her manager was away. —— Business English Handbook
④ In mathematics, y is a function of x, meaning y depends on the value of x. —— Algebra & Trigonometry (Sullivan, simplified)
⑤ The machine stopped functioning after being exposed to moisture. —— Technical Manual, Siemens
⑥ Social functions of language include greeting, apologizing, and making requests. —— Introducing Functional Grammar (Thompson)
⑦ The building’s aesthetic appeal is secondary to its functional design. —— Architectural Review (adapted)
⑧ The committee’s function is to review and approve research proposals. —— University Policy Handbook
⑨ Even a simple tool like a lever functions according to basic physical laws. —— The Way Things Work (Macaulay)
⑩ His main function within the organization is public relations and media liaison. —— Oxford Handbook of Business Communication

大学英语六级（CET-6）

1. collaborate /kəˈlæbəreɪt/
- 释义：vi.（with sb on sth）合作，协作；（with enemy）勾结
- 同义词：cooperate, work together
- 近义词：team up, join forces
- 反义词：compete, oppose, work against
- 易误用词：corroborate（证实，佐证）——collaborate是”合作”，corroborate是”提供证据支持”
- 例句：
① Researchers from three universities collaborated on the climate change study. —— Nature (adapted for learners)
② The two companies agreed to collaborate in developing a new vaccine. —— The Wall Street Journal (simplified)
③ She collaborated with a local artist to produce illustrations for the book. —— Publishers Weekly
④ Intelligence agencies are trained to detect when citizens collaborate with foreign enemies. —— Introduction to Homeland Security (textbook)
⑤ The project succeeded because team members were willing to collaborate across departments. —— Harvard Business Review (condensed)
⑥ Musicians often find it inspiring to collaborate with performers from different genres. —— BBC Music Magazine
⑦ The software allows multiple users to collaborate on the same document in real time. —— Google Workspace Help Center
⑧ Historians collaborated to compile a comprehensive archive of wartime letters. —— American Historical Review (abridged)
⑨ Acknowledge all authors who collaborated in the research when publishing your paper. —— APA Publication Manual (7th ed.)
⑩ NGOs frequently collaborate with government bodies to deliver disaster relief. —— UN OCHA Report (adapted)

2. dilemma /dɪˈlemə/ （英 also /daɪˈliːmə/）
- 释义：n.（进退两难的）困境，左右为难
- 同义词：predicament, quandary
- 近义词：problem, difficult choice
- 反义词：advantageous position, clear-cut choice
- 易误用词：paradox（悖论，似是而非的矛盾说法）——dilemma是两难选择，paradox是自相矛盾的陈述
- 例句：
① She faced the moral dilemma of whether to report her friend’s mistake. —— Cambridge Advanced Learner’s Dictionary
② Doctors sometimes encounter an ethical dilemma when a patient refuses life-saving treatment. —— BMJ Ethics Manual
③ The classic prisoner’s dilemma illustrates why individuals may not cooperate even when it seems rational. —— Game Theory (Dixit & Skeath, simplified)
④ Being offered two attractive but mutually exclusive jobs put him in a happy yet stressful dilemma. —— Forbes (Career section, adapted)
⑤ The novel’s protagonist is trapped in a dilemma between duty to family and personal ambition. —— Literary Analysis: Character & Conflict (Abrams, abridged)
⑥ Employers often face the dilemma of choosing between cost-cutting and staff retention. —— Society for Human Resource Management (SHRM)
⑦ I was in a dilemma: submit the incomplete report or miss the deadline entirely. —— English Collocations in Use (Advanced)
⑧ Ethical dilemmas in AI revolve around bias, transparency, and accountability. —— MIT Technology Review (learner-adapted)
⑨ A classic parenting dilemma is how much freedom to give a teenager without risking their safety. —— Child Development (Berk, excerpt)
⑩ The diplomat’s dilemma was whether to sign the treaty and anger constituents or walk away and lose the peace deal. —— Foreign Affairs (condensed)

3. implicit /ɪmˈplɪsɪt/
- 释义：adj. 含蓄的，暗示的；内含的；（in）固有的；无保留的（implicit trust）
- 同义词：implied, unspoken, tacit
- 近义词：unstated, inherent
- 反义词：explicit, stated, expressed
- 易误用词：implied（被暗示的，v. imply的过去分词）——implicit强调”暗含在其中的，未明说的”，与explicit对立
- 例句：
① There was an implicit understanding that he would take over the family business. —— Oxford Advanced Learner’s Dictionary
② The rule is not written down but is implicit in the company’s code of conduct. —— Business Ethics (Crane & Matten)
③ Her smile carried an implicit criticism of his late arrival. —— Cambridge English Corpus example
④ Children learn implicit social norms long before they can articulate them. —— Developmental Psychology (Berk, simplified)
⑤ The contract contains an implicit clause forbidding disclosure of trade secrets. —— Legal English (Tiersma)
⑥ He placed implicit faith in his old friend’s judgment. —— Collins COBUILD
⑦ Implicit bias training aims to make people aware of unconscious prejudices. —— Harvard Implicit Association Test (IAT) intro page
⑧ The assumptions implicit in this theory have been challenged by recent data. —— Philosophy of Science (abridged)
⑨ An implicit comparison between the two leaders ran through the entire speech. —— Political Discourse Analysis (Fairclough)
⑩ The painting’s meaning is implicit rather than explicitly explained by the artist. —— Art Interpretation (Gombrich, adapted)

4. manipulate /məˈnɪpjuleɪt/
- 释义：vt. 操纵，控制（人/局势）；操作，处理（数据/物体）
- 同义词：control, exploit, handle, tamper with
- 近义词：influence unfairly, operate skillfully
- 反义词：be upfront/honest (in interpersonal sense), leave untouched (data sense)
- 易误用词：maneuver（调遣，巧妙移动/规避）——manipulate含贬义”暗中操控”，maneuver偏中性”机动/周旋”
- 例句：
① He was accused of manipulating the stock price to benefit his own company. —— SEC Enforcement Actions Summary (adapted)
② A skilled photographer knows how to manipulate light and shadow for effect. —— National Geographic Photography Guide
③ Some politicians manipulate public opinion through selective release of information. —— Media Studies: An Introduction (Branston & Stafford)
④ Never manipulate raw data to make results appear more significant. —— Research Methods in Psychology (Shaughnessy et al.)
⑤ The child learned to manipulate his parents by pretending to be ill. —— Developmental Psychology (Berk, excerpt)
⑥ This software lets you manipulate 3D models with intuitive gestures. —— AutoCAD User Guide
⑦ Marketers try to manipulate consumer emotions rather than just present facts. —— No Logo (Klein, abridged)
⑧ The therapist helped the patient recognize when others were trying to manipulate her. —— Cognitive Behavioral Therapy Workbook
⑨ Statistical software can manipulate large datasets far faster than manual calculation. —— Data Science for Beginners (O’Reilly, simplified)
⑩ Magnets can be used to manipulate tiny metallic particles in a fluid medium. —— Scientific American (adapted)

5. suppress /səˈpres/
- 释义：vt. 压制，镇压（叛乱/言论）；抑制（感情/冲动）；封锁，不让发表
- 同义词：crush, stifle, quell, inhibit
- 近义词：restrain, censor, hold back
- 反义词：encourage, express, incite, promote
- 易误用词：oppress（压迫——长期系统性虐待/暴政），suppress偏”制止/压制某事物(情绪/消息/叛乱)”
- 例句：
① The government attempted to suppress news of the protest by blocking social media. —— Reporters Without Borders Annual Report (adapted)
② She tried to suppress her anger during the meeting but eventually walked out. —— Emotional Intelligence (Goleman, excerpt)
③ Rebels were quickly suppressed by government forces in the border region. —— Jane’s Defence Weekly (simplified)
④ The immune system sometimes mistakenly suppresses its own healthy cells. —— How the Immune System Works (Sompayrac)
⑤ Some cultures teach children to suppress negative emotions in public. —— Cross-Cultural Psychology (Matsumoto, adapted)
⑥ The court ordered the newspaper to suppress the names of the minors involved. —— Media Law (Robertson & Nicol, simplified)
⑦ Meditation can help you notice and gently suppress intrusive thoughts. —— Mindfulness-Based Stress Reduction (MBSR) Workbook
⑧ The general’s order was to suppress any uprising before nightfall. —— Military History Quarterly (abridged)
⑨ Certain medications suppress appetite as a side effect. —— Mayo Clinic Patient Information
⑩ Historians discovered documents the regime had tried to suppress for decades. —— The Black Book of Communism (Courtois, excerpt, adapted)

英语专业八级（TEM-8）

1. acquiesce /ˌækwiˈes/
- 释义：vi.（in/to/with）默许，勉强同意，默认
- 同义词：consent reluctantly, assent tacitly
- 近义词：yield, comply, go along with
- 反义词：resist, dissent, protest, object
- 易误用词：acquire（获得）——拼写相近但义异；acquiesce是”默许”，require是”要求”
- 例句：
① Reluctantly, he acquiesced in the decision to close the local branch. —— OED Example Bank
② The opposition party chose to acquiesce rather than force a vote they knew they would lose. —— Parliamentary Affairs Journal (abridged)
③ She sighed and nodded, thereby acquiescing to the plan she privately disliked. —— The Portrait of a Lady (James, adapted)
④ International law presumes states will not acquiesce in prolonged violations of human rights. —— International Law (Shaw, simplified)
⑤ Employees seldom openly object, preferring to acquiesce in unreasonable overtime demands. —— Organizational Behavior (Robbins, adapted)
⑥ By failing to challenge the misleading statement, the spokesperson appeared to acquiesce in it. —— Media Ethics (Christians et al.)
⑦ The colonial power assumed the native population would acquiesce to the new tax. —— Postcolonial Studies Reader (Ashcroft et al.)
⑧ After weeks of negotiation, both sides acquiesced to a compromise border line. —— Diplomatic History (Kissinger excerpt, simplified)
⑨ Silence in the face of injustice can be interpreted as acquiescing to the status quo. —— Justice (Michael Sandel, lecture transcript)
⑩ He did not verbally agree but his presence at the signing ceremony was taken as acquiescence. —— Contract Law Cases (UK Law Reports, abridged)

2. arcane /ɑːˈkeɪn/
- 释义：adj. 晦涩难懂的，神秘莫测的（尤指因仅少数人知晓）
- 同义词：esoteric, mysterious, obscure, recondite
- 近义词：cryptic, little-known
- 反义词：accessible, commonplace, transparent, well-known
- 易误用词：archaic（古旧的，过时的）——arcane强调”深奥隐秘只有圈内人懂”，archaic强调”古代使用现已淘汰”
- 例句：
① The contract was filled with arcane legal terminology that ordinary people could not understand. —— Plain English Campaign pamphlet
② Medieval alchemists guarded their arcane knowledge with elaborate codes. —— The History of Magic and Experiment (Park, adapted)
③ Programmers sometimes delight in arcane command-line syntax known only to insiders. —— The Pragmatic Programmer (Hunt & Thomas)
④ His lectures on arcane Sanskrit manuscripts attracted a small but devoted audience. —— Journal of Asian Studies (abridged)
⑤ Tax codes in many countries have become so arcane that professionals struggle to interpret them. —— The Economist (simplified for learners)
⑥ The ritual’s arcane origins date back to pre-Christian fertility cults. —— The Golden Bough (Frazer, condensed)
⑦ She rolled her eyes at the arcane references in his poetry that required a classical education to decode. —— Modern Fiction Review
⑧ Arcane banking regulations were cited as a reason for delayed loan approvals. —— Financial Times (adapted)
⑨ Only a handful of scholars can read the arcane script carved into the temple walls. —— Archaeology (National Geographic)
⑩ The author’s use of arcane allusions adds depth for those familiar with Greek mythology. —— How to Read Literature Like a Professor (Foster)

3. capricious /kəˈprɪʃəs/ （also /kæˈpriʃəs/）
- 释义：adj. 反复无常的，任性的，变幻莫测的
- 同义词：whimsical, fickle, unpredictable, erratic
- 近义词：mercurial, temperamental
- 反义词：steady, constant, reliable, predictable
- 易误用词：cautious（谨慎的）——拼写略似但义完全不同；capricious来自caprice（突发奇想）
- 例句：
① The prince was notorious for his capricious temper and sudden changes of mind. —— Alexander Pushkin — The Queen of Spades (adapted)
② Mountain weather is notoriously capricious—sunshine can turn to snow in minutes. —— Climbing Magazine
③ Investors dislike capricious policy shifts that make long-term planning impossible. —— World Bank Investment Climate Report (simplified)
④ Fashion trends are capricious by nature, cycling through styles for no obvious reason. —— The Devil Wears Prada (Weisberger, excerpt)
⑤ A capricious manager who rewrites deadlines weekly demoralizes the team. —— Harvard Business Review (condensed)
⑥ The goddess was portrayed as beautiful but capricious, blessing and cursing mortals on a whim. —— Greek Mythology (Hamilton, adapted)
⑦ Children can be capricious, wanting one thing one moment and rejecting it the next. —— Child Development (Berk, excerpt)
⑧ Stock markets are not purely random but neither are they entirely free from capricious swings. —— A Random Walk Down Wall Street (Malkiel, abridged)
⑨ He fell out of favor due to his patron’s capricious disposition. —— Art patronage in Renaissance Italy (King, adapted)
⑩ The novel’s protagonist learns to accept the capricious nature of fate. —— One Hundred Years of Solitude (Márquez, translated, excerpt)

4. deference /ˈdefərəns/
- 释义：n.（to）尊敬，敬重；顺从，遵从（他人意见/意愿）
- 同义词：respect, regard, submission
- 近义词：obeisance, compliance
- 反义词：disrespect, defiance, insolence
- 易误用词：difference（差别）——发音接近但完全无关；defer(v.)→deference(n.)；in deference to = 出于尊重/顾及
- 例句：
① Out of deference to her elderly professor, she did not contradict his outdated view in public. —— Academic Etiquette Guide (Univ. of Chicago)
② Junior officers showed deference to the general’s rank, if not always to his judgment. —— Military Memoir (abridged)
③ In some cultures, children are raised to show deference to elders in all matters. —— Cross-Cultural Communication (Samovar et al.)
④ The committee changed the wording in deference to the legal department’s concerns. —— Corporate Governance Handbook
⑤ He bowed low in deference as the queen entered the hall. —— The Tudor Court (Starkey, adapted)
⑥ Scientists should treat previous theories with deference but not unquestioning acceptance. —— The Structure of Scientific Revolutions (Kuhn, excerpt)
⑦ Out of deference to local custom, visitors removed their shoes before entering the temple. —— Lonely Planet Cultural Tips
⑧ The lawyer phrased his objection with deference to the judge’s authority. —— Advocacy and the Bar (UK Inns of Court guide)
⑨ She accepted the compromise out of deference to her colleague’s seniority. —— Working with Emotional Intelligence (Goleman, case study)
⑩ Traditionalists argue that loss of deference to experts has weakened public discourse. —— The Death of Expertise (Nichols, excerpt)

5. ostensible /ɒˈstensəbl/
- 释义：adj. 表面上的，宣称的（与真实意图相对）
- 同义词：apparent, professed, outward, purported
- 近义词：seeming (but possibly false)
- 反义词：actual, real, hidden, true
- 易误用词：ostentatious（炫耀的，卖弄的）——ostensible是”表面声称的”，ostentatious是”刻意炫耀的”
- 例句：
① The ostensible reason for the meeting was budget planning, but the real agenda was a leadership shake-up. —— Political Strategy (Sabato, adapted)
② He gave the ostensible excuse of a prior engagement and left early. —— Social Etiquette (Post, abridged)
③ The ostensible purpose of the fund is to support education, though critics question how money is spent. —— Charity Commission Report (UK, simplified)
④ Her ostensible indifference masked a deep concern for her brother’s wellbeing. —— Jane Eyre (Brontë, adapted)
⑤ The treaty’s ostensible aim was mutual defense, but it served economic interests too. —— Diplomatic History (Kissinger, condensed)
⑥ Ostensible neutrality does not prevent a mediator from having private preferences. —— International Mediation (textbook)
⑦ The company cited the ostensible need for ‘restructuring’ while actually preparing for a merger. —— Corporate Scandals (Bakan, excerpt)
⑧ Archaeologists distinguish between the ostensible function of a ruin and its actual use by later inhabitants. —— Archaeology: Theories, Methods (Renfrew & Bahn)
⑨ The ambassador’s ostensible warmth failed to conceal his government’s tough stance. —— Memoirs of a Diplomat (abridged)
⑩ Always ask what lies behind the ostensible explanation. —— Critical Thinking (Moore & Parker, 13th ed.)