cohorts
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C1 noun /ˈkoʊhɔːrts/

cohorts

队列
Meaning
Groups of people who share a common feature or experience.
Example
Researchers compared the health outcomes of different cohorts.
研究人员比较了不同队列的健康结果。
C1 noun /ˈkliː.vər/

Cleaver

切肉刀
Meaning
a heavy knife with a broad blade used for chopping meat or vegetables
Example
The chef used a cleaver to chop the chicken bones.
厨师用切肉刀切鸡骨头。
C1 noun /klaʊt/

clout

影响力
Meaning
influence or power, especially in politics or business
Example
The businessman has a lot of political clout.
这位商人有很大的政治影响力。
C1 verb /tʃæsˈtaɪz/

chastise

Meaning
to criticize or punish severely
Example
The teacher chastised the student for being late.
C1 noun /ˈsɪn.ɪˌsɪz.əm/

cynicism

愤世嫉俗
Meaning
An inclination to believe that people are motivated purely by self-interest; skepticism.
Example
His cynicism made it hard for him to trust anyone.
他的愤世嫉俗让他很难相信任何人。
C1 noun ˈkɑːr.bən ˌsiː.kwəˈstreɪ.ʃən

carbon sequestration

碳封存
Meaning
The process of capture and long-term storage of atmospheric carbon dioxide to mitigate or defer global warming.
Example
Forests play a key role in carbon sequestration.
森林在碳封存中发挥关键作用。
C1 noun /kəˈres/

Caress

抚摸
Meaning
a gentle or loving touch
Example
The mother's gentle caress calmed the crying baby.
母亲温柔的抚摸使哭泣的婴儿平静下来。
C1 noun /kəˈmændər ɪn tʃiːf/

Commander-in-chief

最高指挥官
Meaning
the supreme leader of a nation's armed forces
Example
The president serves as the commander-in-chief of the military.
总统担任军队的最高指挥官。
C1 adjective /klaɪˈmæktɪk/

climactic

高潮的
Meaning
Relating to the most exciting or important moment of something.
Example
The film ended with a climactic battle scene.
电影以一场高潮的战斗场景结束。
C1 noun /krʌtʃ/

crutch

拐杖, 支撑
Meaning
a support used by someone injured to walk; also something relied upon for support or help
Example
He had to use crutches after breaking his leg.
他在摔断腿后不得不用拐杖。
C1 noun /kənˈspɪrə.tər/

conspirator

阴谋者
Meaning
a person who secretly plans with others to do something unlawful or harmful
Example
The conspirator was arrested before the plan could be carried out.
阴谋者在计划得以实施之前被捕。
C1 noun /kənˈveɪəns/

conveyance

运输
Meaning
The action or process of transporting or carrying someone or something from one place to another.
Example
The conveyance of goods was delayed due to bad weather.
由于恶劣的天气，货物的运输被延迟。
C1 noun ˈkætəlɪst

catalyst

催化剂
Meaning
A person or thing that precipitates an event or change.
Example
His speech acted as a catalyst for change in the community.
他的演讲成为了社区变化的催化剂。
C1 noun /ˈkɜːrlər/

curler

卷发器
Meaning
A small roller used for curling hair.
Example
She used a curler to style her hair for the party.
她用卷发器为派对造型她的头发。
C1 verb /ˈsenʃər/

censure

谴责, 批评
Meaning
to criticize severely; to express strong disapproval
Example
The committee censured the politician for his misconduct.
委员会因他的不当行为谴责了政治家。
C1 noun /kənˈteɪdʒən/

contagion

传染
Meaning
The communication of disease from one person to another by close contact; also the spread of harmful ideas or behaviors.
Example
Fear spread like a contagion through the crowd.
恐惧像传染一样在群众中传播开来。
C1 noun /ˈtʃɪz.əl/

Chisel

凿子
Meaning
a tool with a sharp flat edge used for cutting or shaping wood, stone, or metal
Example
The carpenter used a chisel to carve the wood.
木匠用凿子雕刻木头。
C1 noun kənˌsɒl.ɪˈdeɪ.ʃən

Consolidation

记忆巩固
Meaning
The process of converting newly learned information into long-term memory
Example
Sleep plays a key role in memory consolidation.
睡眠在记忆巩固中扮演着关键角色。
C1 noun /ˈkrɒkəri/

crockery

餐具
Meaning
Dishes, plates, cups, and other items made of earthenware or china.
Example
The hotel provided clean crockery for the guests.
酒店为客人提供了干净的餐具。
C1 noun /ˈkɜːr.i liːvz/

Curry Leaves

咖喱叶
Meaning
aromatic leaves from the curry tree used in South Asian cooking
Example
Fresh curry leaves add authentic flavor to Indian dishes.
新鲜的咖喱叶为印度菜肴增添了正宗的风味。
C1 adjective kəʊˈhiː.sɪv

cohesive

凝聚力强
Meaning
Characterized by or causing cohesion; forming a united whole.
Example
The team displayed a cohesive strategy.
团队展示了一个凝聚力强的战略。
C1 noun /ˌkɒn.stəˈleɪ.ʃən/

constellation

星座
Meaning
a group of stars forming a recognizable pattern in the night sky
Example
Orion is one of the most famous constellations.
猎户座是最著名的星座之一。
C1 verb /ˈkæp.saɪz/

capsize

翻覆
Meaning
to overturn in the water
Example
The small fishing boat capsized during the storm.
小渔船在风暴中翻覆。
C1 adjective /koʊˈɪnsɪdənt/

coincident

同时
Meaning
Occurring at the same time; occupying the same position in space or time.
Example
The festival was coincident with the national holiday.
节日与国庆假日是同时发生的。
C1 noun /kəmˈpəʊ.ʒər/

composure

冷静和自我控制的状态
Meaning
The state or feeling of being calm and in control of oneself.
Example
She maintained her composure during the interview.
她在面试中保持了冷静。
C1 verb কনডেন্স

condense

凝结
Meaning
To change from gas to liquid form; to become denser.
Example
Water vapor condenses into raindrops.
水蒸气凝结成雨滴。
C1 noun /kəˈmɪtl̩/

committal

监禁 / 扣押
Meaning
The action of sending a person to prison or a mental hospital; also the act of committing something to a particular place.
Example
The judge ordered the committal of the accused to custody.
法官命令将被告送入拘留。
C1 noun /ˈkʌn.stə.bəl/

constable

巡警
Meaning
a police officer of the lowest rank
Example
The constable directed traffic at the busy intersection.
巡警在繁忙的十字路口指挥交通。
C1 noun /ˈkɒndɪmənts/

condiments

调味品或酱料
Meaning
Seasonings or sauces used to add flavor to food.
Example
Ketchup and mustard are popular condiments for burgers.
番茄酱和芥末是汉堡的常见调味品。
C1 verb /ˈkrɪstəlaɪz/

crystallize

结晶
Meaning
to form crystals; to make an idea or plan clear and definite
Example
Her vague thoughts began to crystallize into a solid plan.
她模糊的思绪开始在一个明确的计划中结晶。
C1 adjective ˌkɑːr.sɪ.nəˈdʒen.ɪk

carcinogenic

致癌的
Meaning
Having the potential to cause cancer in living tissue.
Example
Processed meat contains carcinogenic compounds.
加工肉类含有致癌的化合物。
C1 noun /kəˈθɑːrsɪs/

catharsis

情感宣泄
Meaning
The process of releasing strong emotions, providing relief.
Example
Writing in her diary was a form of catharsis for her.
在她的日记中写作对她来说是一种情感宣泄的方式。
C1 adjective /ˈkoʊpiəs/

copious

大量
Meaning
abundant in supply or quantity
Example
She took copious notes during the lecture.
她在讲座期间做了大量笔记。
C1 adjective /kɔɪ/

coy

害羞的, 内向的
Meaning
reluctant to give details or reveal feelings; shy or reserved
Example
She gave a coy smile when asked about her plans.
当被问及她的计划时，她露出了一丝害羞的微笑。
C1 noun /ˈkroʊniˌɪzəm/

cronyism

裙带关系
Meaning
The practice of favoring friends or associates, especially in political appointments or business deals.
Example
The company was accused of cronyism in hiring practices.
该公司因招聘中的裙带关系而受到指控。
C1 noun sɪˈmɛntɪd ɡreɪv

cemented grave

水泥墓
Meaning
A grave that is constructed with cement for permanence.
Example
The cemented grave of the martyrs was seen near the river.
烈士的水泥墓被看见在河边。
C1 adjective /ˈʃɪvəlrəs/

chivalrous

骑士风范
Meaning
Behaving in a courteous, gallant, and honorable way, especially toward women.
Example
He was chivalrous, always opening doors for others.
他是骑士风范，总是为他人开门。
C1 noun /ˈkɑːrdəməm/

Cardamom

豆蔻
Meaning
aromatic seeds from a plant in the ginger family, used as a spice
Example
The recipe calls for a pinch of ground cardamom.
食谱中需要一撮磨碎的豆蔻。
C1 adjective /kəˈləʊ.kwi.əl/

colloquial

口语
Meaning
Used in ordinary conversation rather than formal speech or writing; informal language.
Example
His colloquial expressions made the speech relatable.
他的口语表达让演讲更加生动。
C1 noun /kənˈtɪn.dʒən.si/

contingency

应急计划
Meaning
A provision for an unforeseen event or circumstance, especially in financial planning.
Example
The company has a contingency plan for economic downturns.
公司有一个应急计划来应对经济衰退。
C1 adjective ˈkʌm.bə.səm

cumbersome

笨重的, 难以搬运的
Meaning
Heavy, unwieldy, difficult to handle or carry.
Example
The cumbersome luggage slowed him down.
笨重的行李让他变慢了。
C1 adjective /ˌkaʊntərɪnˈtuːɪtɪv/

counterintuitive

反直觉的
Meaning
contrary to what one would intuitively expect
Example
His approach seems counterintuitive but it actually works.
他的做法看起来很反直觉，但实际上很有效。
C1 noun /ˈklaɪəntɛl/

clientele

客户群
Meaning
The clients or customers of a professional person or business.
Example
The salon's clientele includes many high-profile individuals.
这个沙龙的客户群包括许多高端人士。
C1 noun /kənˈfɔːrmɪst/

conformist

盲从者
Meaning
A person who uncritically conforms to established practices or standards.
Example
She was labeled a conformist for always following the crowd.
她因为总是跟随人群而被贴上了盲从者的标签。
C1 verb /kraʊtʃ/

crouch

Meaning
to bend your knees and lower your body close to the ground
Example
The cat crouched before leaping at its prey.
C1 noun /ˌkɒn.təmˈpleɪ.ʃən/

contemplation

深思
Meaning
The action of looking thoughtfully at something for a long time; deep reflective thought.
Example
She sat in contemplation before making her decision.
她在做出决定之前沉思了很久。
C1 adjective /ˈtʃɪə.ləs/

Cheerless

沉闷; 沮丧; 悲伤; 无欢乐
Meaning
lacking happiness or comfort; gloomy; depressing; without cheer
Example
The old house looked cheerless and abandoned in the winter rain.
这座老房子在冬雨中看起来显得沉闷和荒废。
C1 noun /kənˈfɔːrməns/

conformance

一致性
Meaning
The act of conforming to a rule, standard, or law.
Example
The product was tested for conformance with safety standards.
该产品已按照安全标准进行了符合性测试。
C1 adjective, noun /ˈsɛlɪbət/

celibate

Meaning
abstaining from marriage and sexual relations; a person who does so
Example
He chose to remain celibate for religious reasons.
C1 noun /ʃəˈmiːz/

Chemise

睡裙
Meaning
a woman's loose-fitting undergarment or dress hanging straight from the shoulders
Example
The vintage chemise was made of delicate lace and silk.
这款复古睡裙由精美的蕾丝和丝绸制成。
C1 noun /ˈkoʊmə/

coma

昏迷
Meaning
A deep state of prolonged unconsciousness caused by illness or injury.
Example
The patient remained in a coma for several weeks.
病人昏迷了几周。
C1 adjective /ˌkɒmprɪˈhɛnsəbl/

comprehensible

可理解的
Meaning
able to be understood; intelligible
Example
The teacher explained the topic in a comprehensible way.
老师以一种可以理解的方式解释了这个话题。
C1 noun /ˈkæv.əl.ri/

Cavalry

骑兵
Meaning
soldiers who fight on horseback; the part of an army formerly composed of troops on horseback
Example
The cavalry charged across the field with great speed.
骑兵以极快的速度冲过了田野。
C1 adjective /kəˈnɒnɪkəl/

canonical

典范的 / 被接受的
Meaning
Conforming to a general rule or accepted standard; officially recognized.
Example
Shakespeare’s works are considered canonical in English literature.
莎士比亚的作品在英语文学中被认为是典范的。
C1 noun /ˈkɒndɪmənt/

condiment

调味品/酱料
Meaning
a substance such as salt, mustard, or ketchup that is used to add flavor to food
Example
Ketchup is a popular condiment in many countries.
番茄酱是许多国家受欢迎的调味品。
C1 adjective, noun /ˈkɔːrpərəl/

corporal

军士
Meaning
relating to the body; a low-ranking officer in the military
Example
He suffered a corporal punishment for his mistake.
他因为犯错误而遭受了体罚。
C1 noun sɜːrˈkeɪdiən ˈrɪðəm

circadian rhythm

生物钟
Meaning
The body's natural sleep-wake cycle that occurs within 24 hours
Example
Exposure to natural light regulates the circadian rhythm.
暴露在自然光下会调节生物钟。
C1 adjective /ˈkrɪm.zən/

Crimson

深红色
Meaning
a deep purplish-red color
Example
The crimson sunset painted the sky with beautiful shades.
深红色的日落将天空涂抹上美丽的色调。
C1 verb /kənˈsaɪn/

consign

托付
Meaning
to deliver something to a person or place, often for selling or safekeeping
Example
He consigned the package to the shipping company.
他将包裹交给了运输公司。
C1 adjective /ˈkɔːrəl/

choral

与合唱团相关
Meaning
Relating to, written for, or performed by a choir or chorus.
Example
The church hosted a choral performance on Sunday.
教堂在周日举办了合唱表演。
C1 noun /krəˈvæs/

crevasse

深裂缝
Meaning
a deep crack in a glacier or the earth’s surface
Example
The climbers carefully crossed the icy crevasse.
登山者小心地越过了冰冷的裂缝。
C1 noun /ˈkɒntrəbænd/

contraband

走私货物
Meaning
goods that are illegal to import, export, or possess
Example
The police seized a shipment of contraband cigarettes.
警方查获了一批走私香烟。
C1 adjective ˌkɒn.ʃiˈen.ʃəs

conscientious

有责任心
Meaning
Wishing to do what is right, especially to do one's work or duty well and thoroughly.
Example
A conscientious worker always delivers high-quality results.
一个有责任心的员工总是提供高质量的结果。
C1 adjective /klæd/

clad

穿戴 / 覆盖
Meaning
dressed or covered in a particular way
Example
The knight was clad in shining armor.
骑士穿戴着闪亮的盔甲。
C1 noun /kənˈfaɪnmənt/

confinement

拘禁
Meaning
the state of being confined or restricted
Example
The prisoner endured years of confinement.
囚犯忍受了多年的拘禁。
C1 adjective /kəˈmɛmərətɪv/

commemorative

纪念的
Meaning
Serving as a reminder or in honor of a person or event.
Example
They issued a commemorative coin for the independence anniversary.
他们发行了一枚纪念币，庆祝独立纪念日。
C1 noun kəˈlæt.ər.əl

collateral

作为贷款担保的财产
Meaning
Something pledged as security for repayment of a loan, to be forfeited in the event of a default.
Example
The bank requires collateral for loan approval.
银行要求贷款批准时提供担保物品。
C1 adjective /kənˈdjuː.sɪv/

conducive

有利的
Meaning
Making a certain situation or outcome likely or possible; contributing to or helping to bring about.
Example
A quiet environment is conducive to studying.
安静的环境有利于学习。
C1 adjective/noun /ˈkɜːrsɪv/

cursive

斜体字
Meaning
Written with characters joined together in a flowing manner.
Example
The teacher asked students to write the essay in cursive handwriting.
老师让学生用斜体字写作文。
C1 adjective sɪˈlɛstʃəl

celestial

天体
Meaning
Positioned in or relating to the sky, or outer space as observed in astronomy.
Example
The celestial bodies in the sky were clearly visible last night.
天空中的天体在昨晚清晰可见。
C1 noun kənˈfɔː.mə.ti

conformity

一致性，遵从，合规
Meaning
Compliance with standards, rules, or laws. Behavior in accordance with socially accepted conventions.
Example
Strict conformity to the rules ensures order in society.
严格遵守规则确保社会秩序。
C1 verb /kəˈpɪtjʊˌleɪt/

capitulate

投降
Meaning
to surrender or give in after resisting
Example
The army had no choice but to capitulate to the enemy.
军队别无选择，只能投降于敌人。
C1 noun /ˈtʃæplɪn/

chaplain

牧师
Meaning
A member of the clergy attached to a private chapel, institution, hospital, or military unit.
Example
The army chaplain offered prayers before the battle.
军队牧师在战斗前提供了祷告。
C1 verb /koʊˈhæbɪt/

cohabit

同居
Meaning
To live together, often as partners without being married.
Example
They decided to cohabit before getting married.
他们决定在结婚前同居。
C1 noun /ˈsɪvɪks/

civics

公民教育
Meaning
the study of the rights and duties of citizens and how government works
Example
Civics helps students understand their responsibilities as citizens.
公民教育帮助学生理解作为公民的责任。
C1 noun /ˈkʌvənənt/

covenant

契约
Meaning
a formal agreement or promise, often legally binding
Example
The landlord and tenant signed a covenant to maintain the property.
房东和租户签署了一份契约，以保持财产。
C1 noun /kɑst/

Caste

种姓; 种姓制度
Meaning
a social class system; a hereditary class of Hindu society
Example
The ancient caste system divided society into different social groups.
古老的种姓制度将社会划分为不同的社会群体。
C1 verb /koʊks/

coax

劝说
Meaning
to persuade someone gently or gradually to do something
Example
She managed to coax the cat out of the tree with some food.
她设法用一些食物把猫从树上劝下来。
C1 noun /ˈkærət/

carat

宝石重量单位
Meaning
a unit of weight for precious stones, equal to 200 milligrams
Example
She received a two-carat diamond ring for her engagement.
她收到了一个两克拉的钻石戒指作为订婚礼物。
C1 adjective /kənˈvɜːrdʒənt/

convergent

汇聚的
Meaning
tending to move toward a common point or result
Example
The two rivers have a convergent path before entering the lake.
这两条河流在进入湖泊之前有一条汇聚路径。
C1 adjective /kəˈθɑːr.tɪk/

cathartic

宣泄的
Meaning
Providing psychological relief through the open expression of strong emotions.
Example
Writing about emotions can be a cathartic experience.
写下情感可能是一次宣泄的体验。
C1 noun, verb /klɒt/

clot

血块
Meaning
a thick mass of coagulated liquid, especially blood; to form such a mass.
Example
The doctor removed a blood clot from the patient.
医生从病人身上取出了血块。
C1 verb /kənˈvɜːrdʒ/

converge

汇合
Meaning
to come together from different directions; to meet at a point
Example
The roads converge at the city center.
这些路在市中心汇合。
C1 verb /kəˈluːd/

collude

勾结
Meaning
To secretly cooperate or conspire with others, often for a deceitful purpose.
Example
The two companies colluded to fix prices in the market.
这两家公司串通起来，操控市场价格。
C1 adjective /ˈkælkjʊleɪtɪŋ/

calculating

精明的
Meaning
acting in a scheming and ruthlessly determined way
Example
He had a cold and calculating approach to business.
他在商业上采取了冷酷而精明的态度。
C1 adjective /ˈkɑːr.di.æk/

cardiac

心脏的
Meaning
Relating to the heart.
Example
The patient was admitted with a cardiac condition.
病人因心脏病情被收治。
C1 noun /krʊk/

crook

骗子
Meaning
a dishonest person, especially a criminal
Example
The police finally caught the crook who had been stealing cars.
警方终于抓住了那个偷车的骗子。
C1 noun /tʃɪt/

Chit

便条, 紙條
Meaning
a short note, typically a brief informal letter; a voucher for a sum owed
Example
She left a chit on the table asking him to call her back.
她在桌子上留了一张纸条，要求他回电。
C1 verb /kənˈstruː/

construe

解释
Meaning
to interpret or understand the meaning of something in a particular way
Example
His words could be construed as a threat.
他的话可以被理解为威胁。
C1 noun /kəmˈpʌl.ʃən/

Compulsion

强迫; 强制;
Meaning
the action or state of forcing or being forced to do something; an irresistible urge to behave in a certain way
Example
He felt a strong compulsion to check his phone every few minutes.
他感到强烈的冲动，每隔几分钟就检查一次手机。
C1 noun /ˈkɒlərə/

cholera

Meaning
An infectious disease of the small intestine causing severe vomiting and diarrhea.
Example
The village suffered an outbreak of cholera after the flood.
C1 noun /ˈkɒləmnɪst/

columnist

专栏作家
Meaning
a journalist who regularly writes articles or opinions for a newspaper or magazine
Example
The columnist wrote an article about climate change.
专栏作家写了一篇关于气候变化的文章。
C1 adjective /ˈtʃɛkərd/

chequered

棋盘格的
Meaning
Having a pattern of squares, or marked by varied and contrasting experiences or periods.
Example
He had a chequered career with both great successes and failures.
他有一段棋盘格的职业生涯，既有巨大的成功，也有失败。
C1 noun /ˌkɒnfɪˈdɑːnt/

confidante

知己
Meaning
A woman with whom one shares a secret or private matter, trusting her not to repeat it.
Example
The queen’s maid became her most trusted confidante.
皇后的女仆成为了她最信任的知己。
C1 noun /ˌkɒndʒʊˈɡeɪʃən/

conjugation

词形变化
Meaning
the variation of the form of a verb to indicate tense, person, and number
Example
French verbs have complex conjugations.
法语动词有复杂的变位。
C1 noun /ˈkɒnsəl/

consul

领事 / 大使
Meaning
an official appointed by a government to live in a foreign city and protect its citizens and interests there
Example
The consul assisted travelers who lost their passports.
领事帮助了那些丢失护照的旅行者。
C1 adjective /kənˈsɜːrtɪd/

concerted

协调的
Meaning
done with great effort, planned and performed together by multiple people
Example
The workers made a concerted effort to improve conditions.
工人们为改善条件做出了协调的努力。
C1 noun /ˈkæzəm/

chasm

裂缝 / 巨大差异
Meaning
a deep fissure in the earth's surface or a wide difference between people or ideas
Example
There was a great chasm between the two political parties.
两个政党之间有一个巨大的裂缝。
C1 noun /ˈkɑr.nɪdʒ/

Carnage

屠杀
Meaning
the killing of a large number of people; widespread slaughter
Example
The battlefield was filled with carnage after the brutal war.
战争后，战场上充满了大屠杀。
C1 adjective /ˈkɔː.stɪk/

caustic

腐蚀性的, 尖刻的
Meaning
able to burn or corrode by chemical action; severely sarcastic
Example
Her caustic remarks hurt his feelings.
她尖刻的评论伤害了他的感情。
C1 adjective /kənˈdʒiːniəl/

congenial

和蔼可亲
Meaning
pleasant and friendly because of having similar interests or qualities
Example
They found the café a congenial place to meet and talk.
他们发现那家咖啡馆是一个和蔼可亲的地方，适合见面和交谈。
C1 verb /ˈsɪvɪlaɪz/

civilize

使文明
Meaning
to bring a society or group to a more developed, organized, or socially acceptable state; to educate and refine behavior
Example
Education can help civilize communities by promoting shared values and respect.
教育可以通过促进共同价值观和尊重来使社区更加文明。
C1 noun /ˈklæmər/

clamor

喧嚣
Meaning
a loud and confused noise, especially of people shouting insistently
Example
The clamor of the protesting crowd filled the square.
抗议人群的喧嚣充满了广场。
C1 adjective kənˈkɝː.ənt

concurrent

同时发生的，平行的，在同一时间进行的
Meaning
Existing, happening, or done at the same time.
Example
The conference had concurrent sessions on various topics.
会议期间有多个并行的主题会议。
C1 noun /ˈtʃæs.tɪ.ti/

Chastity

贞洁; 处女; 节制;
Meaning
the practice of refraining from extramarital or premarital sexual relations; sexual purity
Example
Many religious traditions value chastity as a virtue of moral purity.
许多宗教传统把贞洁看作是一种道德纯洁的美德。
C1 noun /kəˈnɛəri/

canary

金丝雀
Meaning
a small, usually yellow bird known for its singing; also used as a warning sign in dangerous conditions
Example
The canary sang beautifully in its cage.
金丝雀在它的笼子里唱得非常动听。
C1 adjective ˈkɒn.və.luː.tɪd

convoluted

复杂
Meaning
Extremely complex and difficult to follow; twisted or intricate.
Example
His argument was so convoluted that no one understood it.
他的论点如此复杂，以至于没有人理解它。
C1 verb /ˈkɒnskrɪpt/

conscript

强迫某人参军
Meaning
to force someone into military service
Example
The government conscripted young men during the war.
政府在战争期间征召了年轻人。
C1 noun ˌkæl.ɪˈbreɪ.ʃən

calibration

校准
Meaning
The action or process of adjusting or determining the accuracy of measuring instruments.
Example
The accuracy of a scale depends on regular calibration.
秤的准确性取决于定期校准。
C1 adjective /kəˈlæpsəbl̩/

collapsible

可折叠的
Meaning
able to be folded down or reduced in size
Example
She bought a collapsible chair for camping.
她为露营买了一个可折叠的椅子。
C1 adjective /kəmˈpleɪsənt/

complacent

自满
Meaning
showing self-satisfaction and a lack of concern about potential dangers or problems
Example
The team grew complacent after a few victories and stopped practicing hard.
团队在几场胜利后变得自满，停止了努力训练。
C1 noun /ˌkɒnvəˈlɛsns/

convalescence

康复期
Meaning
the period of time spent recovering from an illness or medical treatment
Example
His convalescence lasted for almost two months after the accident.
事故后的康复期持续了近两个月。
C1 noun /ˈkæptər/

captor

劫持者
Meaning
a person or group who has captured someone or something
Example
The hostage managed to escape from his captors.
人质成功从劫持者那里逃脱。
C1 noun ˌkɒn.ʃiˈen.ʃəs.nəs

conscientiousness

责任心
Meaning
The quality of wishing to do one's work or duty well and thoroughly; diligence.
Example
Her conscientiousness in work led to a well-organized project.
她在工作中的责任心使得项目井然有序。
C1 verb, noun /klɑːɡ/

clog

堵塞 / 木鞋
Meaning
to block or become blocked; a type of heavy wooden shoe
Example
The sink was clogged with food waste.
水槽被食物废料堵住了。
C1 noun/verb /ˈsaɪ.fər/

cipher

密码
Meaning
A secret or disguised way of writing; a code; to put a message into secret writing.
Example
Military messages are protected using a cipher.
军事消息通过密码保护。
C1 verb /ˈkrʌmpəl/

crumple

揉捏
Meaning
to crush something into folds or wrinkles
Example
He crumpled the paper and threw it in the bin.
他把纸揉成一团丢进了垃圾桶。
C1 noun /kɔːr/

corps

军队分支，团队
Meaning
a branch of the military or a group organized for a specific purpose
Example
He joined the army corps after graduation.
他在毕业后加入了军队分支。
C1 noun /ˈkæmi.oʊ/

cameo

客串
Meaning
a small but significant role in a play, film, or show, often performed by a well-known person
Example
The actor made a surprise cameo in the movie.
那位演员在电影中出人意料地客串了。
C1 noun /kənˈtɪnjuəm/

continuum

连续体
Meaning
A continuous sequence in which adjacent elements are not perceptibly different from each other, but the extremes are quite distinct.
Example
Life and death are often seen as part of the same continuum.
生与死常常被视为同一连续体的一部分。
C1 adjective /kræs/

crass

粗鲁的，缺乏敏感性或精致
Meaning
lacking sensitivity, refinement, or intelligence
Example
His crass remarks offended everyone at the meeting.
他的粗鲁言论在会议上冒犯了每个人。