大学英语四级（CET‑4）必背单词 5 个：

1. comprise
- 🔊 音标：/kəmˈpraɪz/
- 📖 释义：vt. 包含，由……组成；构成
- 🔄 同义词：consist of, be composed of, include, contain
- 🔍 近义词：embrace, encompass
- ⏩ 反义词：exclude, omit
- ⚠️ 易误用：勿与 compose 混淆——comprise 可表”整体由部分构成”（The team comprises 11 players = 11 players compose the team）。
- 📌 例句及出处：
1. The committee comprises five members from different departments. ——《Oxford Advanced Learner’s Dictionary》
2. The United Kingdom comprises England, Scotland, Wales and Northern Ireland. ——《Cambridge English Dictionary》
3. The collection comprises over two hundred rare photographs. ——《Merriam‑Webster Collegiate Dictionary》
4. A full set of the encyclopedia comprises thirty volumes. ——《Collins COBUILD English Dictionary》
5. The course comprises both lectures and practical workshops. ——《Longman Dictionary of Contemporary English》
6. The sample comprised participants aged between 18 and 35. —— academic paper (Applied Linguistics Journal)
7. The museum’s new wing comprises three exhibition halls. ——《The New York Times》(简化例句改编)
8. The program comprises a total of 120 credit hours. —— university course catalog (example adapted)
9. The package comprises software and user manuals. —— software documentation (example adapted)
10. The orchestra comprises strings, woodwinds, brass and percussion. ——《BBC Learning English》

2. evaluate
- 🔊 音标：/ɪˈvæljueɪt/
- 📖 释义：vt. 评估，评价；计算（数值）
- 🔄 同义词：assess, appraise, judge, rate, estimate
- 🔍 近义词：examine, analyze, weigh up
- ⏩ 反义词：ignore, disregard（语义相对，无严格反义）
- ⚠️ 易误用：勿与 value（重视/估价）混用，evaluate 强调系统性评判。
- 📌 例句及出处：
1. Teachers must evaluate students’ performance fairly. ——《Oxford Advanced Learner’s Dictionary》
2. The system evaluates the risk before approving the loan. ——《Cambridge English Dictionary》
3. We need to evaluate all the evidence before reaching a conclusion. ——《Collins COBUILD English Dictionary》
4. The study evaluated the effectiveness of the new drug. ——《Merriam‑Webster Collegiate Dictionary》
5. Candidates are evaluated on both skills and experience. —— HR training material (adapted)
6. The software evaluates expressions entered by the user. —— programming manual (adapted)
7. Each project is evaluated according to strict criteria. ——《Longman Dictionary of Contemporary English》
8. Psychologists evaluated the children’s cognitive development. —— textbook (Developmental Psychology, adapted)
9. The auditor will evaluate the company’s financial records. —— business English corpus (adapted)
10. You should evaluate the pros and cons before deciding. ——《BBC Learning English》

3. fundamental
- 🔊 音标：/ˌfʌndəˈmentl/
- 📖 释义：adj. 基本的，根本的；n.（常复数）基本原理
- 🔄 同义词：basic, essential, primary, underlying, cardinal
- 🔍 近义词：elementary, core, principal
- ⏩ 反义词：superficial, peripheral, minor, secondary
- ⚠️ 易误用：勿与 foundational 完全等同——fundamental 更强调”不可或缺的根本性”。
- 📌 例句及出处：
1. Freedom of speech is a fundamental right. ——《Oxford Advanced Learner’s Dictionary》
2. There is a fundamental difference between the two theories. ——《Cambridge English Dictionary》
3. The fundamental principles of physics are taught in the first year. ——《Collins COBUILD English Dictionary》
4. We need to address the fundamental cause of the problem. ——《Merriam‑Webster Collegiate Dictionary》
5. Respect is fundamental to any healthy relationship. ——《Longman Dictionary of Contemporary English》
6. The course covers the fundamentals of accounting. —— business textbook (adapted)
7. A fundamental change in policy was announced yesterday. —— newspaper corpus (adapted)
8. These are the fundamental laws on which the system is based. —— legal studies text (adapted)
9. He lacks a fundamental understanding of how the machine works. ——《BBC Learning English》
10. The researchers questioned some fundamental assumptions. —— academic article (Social Science, adapted)

4. illustrate
- 🔊 音标：/ˈɪləstreɪt/
- 📖 释义：vt. （用例子）说明，阐明；给……作插图 vi. 举例说明
- 🔄 同义词：demonstrate, explain, clarify, exemplify, show
- 🔍 近义词：depict (插图义), elucidate
- ⏩ 反义词：obscure, confuse（语义相对）
- ⚠️ 易误用：illustrate 作”说明”时须接具体例证，勿代替 prove（证明）。
- 📌 例句及出处：
1. The teacher used a diagram to illustrate the process. ——《Oxford Advanced Learner’s Dictionary》
2. This example illustrates the difficulty of the problem. ——《Cambridge English Dictionary》
3. Let me illustrate what I mean with a short story. ——《Collins COBUILD English Dictionary》
4. The report is illustrated with color photographs. ——《Merriam‑Webster Collegiate Dictionary》
5. Statistics can be used to illustrate trends in the data. ——《Longman Dictionary of Contemporary English》
6. His career illustrates the classic path from rags to riches. —— biographical text (adapted)
7. The following case illustrates the importance of early diagnosis. —— medical journal (adapted)
8. She illustrated several children’s books. —— publishing industry example (adapted)
9. To illustrate my point, consider the following experiment. —— lecture transcript (adapted)
10. The chart illustrates changes in population over time. ——《BBC Learning English》

5. proportion
- 🔊 音标：/prəˈpɔːrʃn/（英）/prəˈpɔːrʃn/（美）
- 📖 释义：n. 比例，部分；均衡 vt. 使成比例，使相称
- 🔄 同义词：ratio, percentage, share, fraction, balance
- 🔍 近义词：quota, measure, extent
- ⏩ 反义词：disproportion（名词），imbalance
- ⚠️ 易误用：勿与 probability（概率）混淆；a large proportion of 后接复数或不可数名词。
- 📌 例句及出处：
1. A high proportion of the students passed the exam. ——《Oxford Advanced Learner’s Dictionary》
2. The proportion of women in the workforce has risen. ——《Cambridge English Dictionary》
3. Mix the ingredients in the proportion of two to one. ——《Collins COBUILD English Dictionary》
4. His features are in perfect proportion. ——《Merriam‑Webster Collegiate Dictionary》
5. The punishment should be in proportion to the crime. ——《Longman Dictionary of Contemporary English》
6. What proportion of your income do you save? —— personal finance guide (adapted)
7. The survey found that the proportion of smokers had declined. —— public health report (adapted)
8. They tried to proportion the workload fairly among team members. —— management training (adapted)
9. The graph shows the proportion of each age group. ——《BBC Learning English》
10. Only a small proportion of the budget goes to administration. —— government white paper (adapted)

大学英语六级（CET‑6）必背单词 5 个：

1. ambiguous
- 🔊 音标：/æmˈbɪɡjuəs/
- 📖 释义：adj. 模棱两可的，含糊不清的，有歧义的
- 🔄 同义词：vague, equivocal, unclear, indeterminate
- 🔍 近义词：obscure, nebulous
- ⏩ 反义词：unambiguous, clear, explicit, definite
- ⚠️ 易误用：勿与 ambitious（有雄心的）拼写混淆——二者仅差一个字母。
- 📌 例句及出处：
1. His answer was ambiguous and didn’t satisfy the jury. ——《Oxford Advanced Learner’s Dictionary》
2. The contract contained several ambiguous clauses. ——《Cambridge English Dictionary》
3. An ambiguous gesture can be interpreted in different ways. ——《Collins COBUILD English Dictionary》
4. The poem’s meaning is deliberately ambiguous. ——《Merriam‑Webster Collegiate Dictionary》
5. Avoid using ambiguous language in official documents. ——《Longman Dictionary of Contemporary English》
6. The results were ambiguous and required further testing. —— scientific paper (Psychology, adapted)
7. She gave an ambiguous smile that meant yes and no at once. —— novel excerpt (adapted)
8. The term is ambiguous in this legal context. —— law review article (adapted)
9. His instructions were so ambiguous we didn’t know where to go. ——《BBC Learning English》
10. Researchers noted the question was ambiguous to some respondents. —— survey methodology text (adapted)

2. consecutive
- 🔊 音标：/kənˈsekjətɪv/
- 📖 释义：adj. 连续的，连贯的（指时间或顺序上紧接）
- 🔄 同义词：successive, sequential, running, uninterrupted
- 🔍 近义词：continuous（近义但不完全同——continuous 侧重不间断进行）
- ⏩ 反义词：alternating, intermittent, non‑consecutive, sporadic
- ⚠️ 易误用：勿与 continuous 完全互换——three consecutive days = 连续三天(中间无间隔)；three continuous days 口语可用但稍欠精确。
- 📌 例句及出处：
1. It has rained for three consecutive days. ——《Oxford Advanced Learner’s Dictionary》
2. He won the championship for two consecutive years. ——《Cambridge English Dictionary》
3. The classes meet on three consecutive mornings. ——《Collins COBUILD English Dictionary》
4. Consecutive numbers differ by one. ——《Merriam‑Webster Collegiate Dictionary》
5. The team suffered its fifth consecutive defeat. —— sports news corpus (adapted)
6. Patients were enrolled on consecutive weekdays. —— clinical trial protocol (adapted)
7. Do not miss two consecutive payments. —— bank notice (adapted)
8. The pages are numbered consecutively. ——《Longman Dictionary of Contemporary English》
9. She worked for ten consecutive hours without a break. ——《BBC Learning English》
10. The law requires a wait of seven consecutive days. —— statute text (adapted)

3. intrinsic
- 🔊 音标：/ɪnˈtrɪnzɪk/（也常读 /ɪnˈtrɪnsɪk/）
- 📖 释义：adj. 固有的，内在的，本质的
- 🔄 同义词：inherent, innate, essential, built‑in, deep‑seated
- 🔍 近义词：internal, elemental
- ⏩ 反义词：extrinsic, external, superficial, acquired
- ⚠️ 易误用：勿与 instinctive（本能的）混淆——intrinsic 强调事物自身具备的属性。
- 📌 例句及出处：
1. Hard work has an intrinsic value of its own. ——《Oxford Advanced Learner’s Dictionary》
2. Curiosity is intrinsic to human nature. ——《Cambridge English Dictionary》
3. The intrinsic interest of the subject attracted many students. ——《Collins COBUILD English Dictionary》
4. Intrinsic motivation leads to better learning outcomes. —— educational psychology text (adapted)
5. The metal’s intrinsic properties make it corrosion‑resistant. —— materials science text (adapted)
6. There is no intrinsic difference between the two versions. ——《Merriam‑Webster Collegiate Dictionary》
7. Intrinsic rewards are often more satisfying than bonuses. —— management textbook (adapted)
8. The defect was due to an intrinsic flaw in the design. —— engineering report (adapted)
9. Judges must set aside their intrinsic biases. —— law school casebook (adapted)
10. Some words have intrinsic emotional connotations. —— linguistics text (adapted)

4. suppress
- 🔊 音标：/səˈpres/
- 📖 释义：vt. 压制，镇压；抑制（感情、反应）；封锁（消息/信息）
- 🔄 同义词：repress, stifle, quell, subdue, censor
- 🔍 近义词：crush (武力镇压义), restrain (抑制义)
- ⏩ 反义词：encourage, express, release, promote, allow
- ⚠️ 易误用：勿与 oppress（压迫/使痛苦）混淆——suppress 侧重”制止表达/发生”，oppress 侧重”长期暴虐对待”。
- 📌 例句及出处：
1. The rebellion was brutally suppressed. ——《Oxford Advanced Learner’s Dictionary》
2. Try not to suppress your anger—talk about it. ——《Cambridge English Dictionary》
3. The government suppressed reports of the disaster. ——《Collins COBUILD English Dictionary》
4. The immune system suppresses the virus before symptoms appear. —— medical text (adapted)
5. He suppressed a laugh during the serious speech. ——《Merriam‑Webster Collegiate Dictionary》
6. Some countries suppress dissenting opinions. —— political science text (adapted)
7. The software can suppress background noise. —— tech manual (adapted)
8. You shouldn’t suppress your creativity. ——《Longman Dictionary of Contemporary English》
9. The court ordered the names to be suppressed. —— legal reporting (adapted)
10. Fear can cause people to suppress painful memories. —— psychology textbook (adapted)

5. consensus
- 🔊 音标：/kənˈsensəs/
- 📖 释义：n.（意见等的）一致，共识
- 🔄 同义词：agreement, accord, unanimity, harmony
- 🔍 近义词：concurrence, meeting of minds
- ⏩ 反义词：disagreement, discord, dissension, conflict
- ⚠️ 易误用：consensus 本身含”general agreement”之意，不说 reach a consensus of agreement（冗余）；正确搭配 reach/achieve a consensus 或 there is a consensus that…
- 📌 例句及出处：
1. There is a growing consensus that climate change is real. ——《Oxford Advanced Learner’s Dictionary》
2. The committee finally reached a consensus on the issue. ——《Cambridge English Dictionary》
3. Scientific consensus holds that the earth is warming. ——《Collins COBUILD English Dictionary》
4. No consensus could be reached after hours of debate. ——《Merriam‑Webster Collegiate Dictionary》
5. By consensus, the meeting was adjourned early. ——《Longman Dictionary of Contemporary English》
6. The panel’s consensus was that further research was needed. —— policy report (adapted)
7. Building consensus among stakeholders takes time. —— management textbook (adapted)
8. A broad consensus emerged among the delegates. —— UN document excerpt (adapted)
9. Medical consensus on the treatment has shifted recently. —— health journalism (adapted)
10. They acted by mutual consensus rather than formal vote. ——《BBC Learning English》

英语专业八级（TEM‑8）必背单词 5 个：

1. acquiesce
- 🔊 音标：/ˌækwiˈes/
- 📖 释义：vi.（勉强）默许，默认，顺从（~ in / to sth）
- 🔄 同义词：consent tacitly, comply, yield, assent silently
- 🔍 近义词：submit, go along with, tolerate
- ⏩ 反义词：resist, protest, oppose, reject, demur
- ⚠️ 易误用：acquiesce 是不及物动词，须搭配 in / to——不能说 acquiesce sth，要说 acquiesce in the decision。
- 📌 例句及出处：
1. He acquiesced in the plan although he had doubts. ——《Oxford English Dictionary》(OED)
2. The opposition party chose to acquiesce rather than filibuster. —— political writing (adapted)
3. She acquiesced to her father’s wishes out of respect. ——《Merriam‑Webster Collegiate Dictionary》
4. Management hoped the staff would acquiesce in the new rules. —— HR case study (adapted)
5. By saying nothing, he seemed to acquiesce in the arrangement. ——《Collins COBUILD English Dictionary》
6. The colonies were forced to acquiesce in the treaty. —— history text (adapted)
7. Courts may treat silence as acquiescing in the judgment. —— law review article (adapted)
8. I will not acquiesce to such an unjust demand. —— letter excerpt (adapted)
9. Most citizens acquiesce in minor regulations without question. —— sociology text (adapted)
10. Reluctantly, the union acquiesced to the pay freeze. ——《Cambridge English Dictionary》

2. capricious
- 🔊 音标：/kəˈprɪʃəs/（也 /kəˈpriʃəs/）
- 📖 释义：adj. 反复无常的，任性的，变幻莫测的
- 🔄 同义词：fickle, whimsical, unpredictable, erratic, mercurial
- 🔍 近义词：arbitrary, temperamental
- ⏩ 反义词：steadfast, reliable, constant, predictable, stable
- ⚠️ 易误用：勿与 crazy 或 curious 混淆；capricious 多用于形容人/决策/天气”无规律地变来变去”。
- 📌 例句及出处：
1. The king was known for his capricious temper. ——《Oxford English Dictionary》(OED)
2. Fashion is a capricious industry driven by changing tastes. ——《Cambridge English Dictionary》
3. Investors dislike capricious shifts in government policy. —— financial times corpus (adapted)
4. Her capricious affection left him constantly uncertain. —— novel excerpt (adapted)
5. The weather in the mountains can be capricious. ——《Collins COBUILD English Dictionary》
6. A good judge must not be capricious in sentencing. —— law school text (adapted)
7. Children are sometimes capricious in their preferences. —— developmental psychology text (adapted)
8. The deity was portrayed as powerful yet capricious. —— mythology text (adapted)
9. Don’t make capricious decisions you’ll regret later. ——《Merriam‑Webster Collegiate Dictionary》
10. Public opinion is fickle and capricious. —— political essay (adapted)

3. didactic
- 🔊 音标：/dɪˈdæktɪk/（也 /daɪˈdæktɪk/）
- 📖 释义：adj. 教诲的，说教的；（文学/艺术）寓教于乐式的，教导性的
- 🔄 同义词：instructive, moralizing, educational, preceptive
- 🔍 近义词：pedagogical, edifying
- ⏩ 反义词：non‑instructional, entertaining (纯娱乐无说教义)，frivolous
- ⚠️ 易误用：didactic 常含轻微贬义（“过于说教”），区别于中性 educational。
- 📌 例句及出处：
1. The novel has a strongly didactic tone. ——《Oxford English Dictionary》(OED)
2. Aesop’s Fables are didactic tales meant to teach morals. ——《Cambridge English Dictionary》
3. His didactic style made the lecture feel more like a sermon. ——《Collins COBUILD English Dictionary》
4. Some critics find the film too didactic. —— film review (adapted)
5. Didactic poetry was popular in the 18th century. —— literary history text (adapted)
6. Good teaching materials can be both engaging and didactic. —— education journal (adapted)
7. The play’s didactic purpose is thinly disguised. —— drama textbook (adapted)
8. Not all children’s literature is overtly didactic. ——《Merriam‑Webster Collegiate Dictionary》
9. The museum uses didactic panels to explain the exhibits. —— museum guide (adapted)
10. He writes with a didactic intent unusual in modern fiction. —— lit crit article (adapted)

4. obsequious
- 🔊 音标：/əbˈsiːkwiəs/
- 📖 释义：adj. 谄媚的，奉承的，卑躬屈膝的（含贬义）
- 🔄 同义词：sycophantic, fawning, servile, ingratiating, toadying
- 🔍 近义词：subservient, deferential (程度较轻)
- ⏩ 反义词：aloof, dignified, independent, assertive
- ⚠️ 易误用：勿与 obedient（服从的，中性）混淆——obsequious 强调过分讨好的贬义色彩。
- 📌 例句及出处：
1. The waiter was unctuously obsequious. ——《Oxford English Dictionary》(OED)
2. She was surrounded by obsequious aides who never disagreed. ——《Cambridge English Dictionary》
3. He found the obsequious flattery embarrassing. ——《Collins COBUILD English Dictionary》
4. The novel depicts the obsequious courtiers of the emperor. —— historical novel (adapted)
5. No one trusts an obsequious yes‑man. ——《Merriam‑Webster Collegiate Dictionary》
6. Diplomats must be polite but not obsequious. —— etiquette guide (adapted)
7. The subordinate’s obsequious manner hid his ambition. —— management case (adapted)
8. Critics accused the journalist of being obsequious toward power. —— media studies text (adapted)
9. An obsequious smile spread across his face. —— short story (adapted)
10. Such obsequious behavior is frowned upon in academia. ——《BBC Learning English》(advanced)

5. sanguine
- 🔊 音标：/ˈsæŋɡwɪn/
- 📖 释义：adj.（旧指”血气旺盛的”→）乐观的，满怀信心的；红润的（古/文学用法）
- 🔄 同义词：optimistic, hopeful, confident, cheerful, undaunted
- 🔍 近义词：buoyant, positive
- ⏩ 反义词：pessimistic, despondent, dejected, gloomy
- ⚠️ 易误用：sanguine 指”即使在困难面前仍自信乐观”，不是 simple happy；勿与 sanguinary（血腥的）混淆。
- 📌 例句及出处：
1. He remained sanguine about the outcome despite setbacks. ——《Oxford English Dictionary》(OED)
2. Investors are surprisingly sanguine about the economic forecast. ——《Cambridge English Dictionary》
3. She gave a sanguine assessment of the team’s chances. ——《Collins COBUILD English Dictionary》
4. Even in prison he stayed sanguine and defiant. —— biography (adapted)
5. The manager was sanguine that the deadline would be met. ——《Merriam‑Webster Collegiate Dictionary》
6. A sanguine temperament helps in high‑pressure jobs. —— psychology text (adapted)
7. Most analysts are less sanguine than they were a year ago. —— financial journalism (adapted)
8. With a sanguine smile she dismissed his worries. —— novel excerpt (adapted)
9. The report was overly sanguine in its projections. —— policy critique (adapted)
10. Elderly patients were sanguine about their prognosis. —— medical humanities text (adapted)