clash of civilizations
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idiom

clash of civilizations

不同文化、宗教或文明群体之间的冲突
Meaning
the conflict between different cultural, religious, or civilizational groups
Example
The debate about cultural differences is often seen as a **clash of civilizations**.
关于文化差异的辩论常被视为一次**文明的冲突**。
idiom

come crashing down

突然失败或崩溃
Meaning
to suddenly fail or collapse
Example
Their plans **came crashing down** after the crisis.
他们的计划在危机后崩溃了。
idiom

cool off with

通过某物让自己变凉
Meaning
to refresh oneself using something
Example
We’ll **cool off with** iced tea after the run.
我们跑步后会通过冰茶让自己清凉。
idiom

cut back on

减少某事的数量
Meaning
to reduce the amount of something
Example
We’re trying to **cut back on** eating out during the week.
我们正在试图减少一周内外出就餐的次数。
idiom

cast the first stone

成为第一个批评或谴责某人的人
Meaning
to be the first to criticize or condemn someone
Example
Before you **cast the first stone**, remember that nobody is perfect.
在你**投下第一颗石头**之前，记住没有人是完美的。
idiom

cut to the chase

迅速进入正题
Meaning
to get to the point quickly
Example
Let’s **cut to the chase** and discuss the main issue.
让我们直接进入正题，讨论主要问题。
idiom

cover all bases

为所有可能的情况做好准备
Meaning
to prepare for all possible situations
Example
Before the presentation, we need to **cover all bases**.
在演讲之前，我们需要做好所有准备工作。
idiom

circle back

稍后返回到一个话题或任务
Meaning
to return to a topic or task later
Example
Let's **circle back** to this issue after lunch.
我们午餐后再回到这个问题。
idiom

cross the bridge when you come to it

不要在事情发生之前担心
Meaning
to not worry about something until it happens
Example
We’ll **cross the bridge when we come to it**.
我们到时候再说。
idiom

cut both ways

既有积极的一面，也有消极的一面
Meaning
to have both positive and negative effects
Example
Working from home **cuts both ways** – you save time but lose social interaction.
在家工作**有利也有弊**——节省时间，但失去了社交互动。
idiom

come back to earth

从兴奋或做白日梦中回到现实
Meaning
to return to reality after being excited or daydreaming
Example
After the vacation, it’s time to **come back to earth**.
假期后，应该是时候**回到现实**了。
idiom

circle of friends

一群你与之友好的人的群体
Meaning
a group of people you are friendly with
Example
She has a large **circle of friends** from college.
她有一个来自大学的大家**朋友圈**
idiom

clear your head

暂时停止思考某事并放松
Meaning
to stop thinking about something for a while and relax
Example
After a stressful week, I like to take a walk to **clear my head**.
在一周的压力之后，我喜欢散步来**清理头脑**。
idiom

cliffhanger

一个让观众悬念重重的结局
Meaning
an ending that leaves the audience in suspense
Example
The episode ended on a **cliffhanger**, so we can’t wait for the next one.
这一集以**悬崖式结局**结束，我们迫不及待地等待下一集。
idiom

carry the world on your shoulders

感到对一切负责；承受过多的压力
Meaning
to feel responsible for everything; to take on too much stress
Example
You can’t **carry the world on your shoulders**; learn to share the load.
你不能 **背负整个世界在肩上**；学会分担负担。
idiom

Cross my heart

我真诚地发誓或承诺。
Meaning
I swear or promise sincerely.
Example
I will help you, **cross my heart**.
我会帮你，**kruosi mai hat**。
idiom

crystal ball

预测未来的能力
Meaning
the ability to predict the future
Example
I don’t have a **crystal ball**, so I can’t tell what will happen.
我没有**水晶球**，所以我不能说将会发生什么。
idiom

cross your heart and hope to die

真诚地发誓某事是真的
Meaning
to swear that something is true, often said with sincerity
Example
I **cross my heart and hope to die** that I will never lie to you.
我发誓并希望死去，我绝不会对你撒谎。
idiom

climb the ladder

在职业中步步高升
Meaning
to move up in position or success, especially in a career
Example
He worked hard to **climb the ladder** in his company.
他努力工作以在公司中**步步高升**。
idiom

cracks in the wall

系统或关系中的问题或弱点迹象
Meaning
signs of problems or weaknesses in a system or relationship
Example
There are **cracks in the wall** of their friendship lately.
最近他们的友谊出现了裂痕。
idiom

carry the can

接受责任或指责，通常是不公平的。
Meaning
to accept responsibility or blame, often unfairly.
Example
She was left to **carry the can** after her manager left.
经理离开后，她不得不 **承担责任**。
idiom

check in on

监视或查看某人或某物的状态
Meaning
to monitor or see how someone or something is doing
Example
Could you **check in on** the kids while I'm out?
你能在我出去时**check in on**孩子们吗？
idiom

cut somebody some slack

因为某人此刻有问题，不像通常那样严厉批评他们
Meaning
to not judge someone as severely as you usually would because they are having problems at the present time
Example
He's been under a lot of stress lately, so let's **cut him some slack**.
他最近压力很大，我们给他一些喘息的时间
idiom

caught between two stools

因试图同时做两件事而失败
Meaning
to fail because of trying to do two things at once
Example
He was **caught between two stools**—trying to please both his boss and his team.
他**左右为难**——试图让他的老板和团队都满意。
idiom

code your way out

通过编程技能解决问题
Meaning
to solve a problem through programming skills
Example
When the system crashed, she managed to **code her way out**.
当系统崩溃时，她成功地**编程解决了问题**。
idiom

crack down on

采取严格措施停止某事
Meaning
to take strict action to stop something
Example
The city plans to **crack down on** illegal parking downtown.
城市计划对市中心的非法停车采取严格措施。
idiom

clamp down

采取强硬措施来制止某事
Meaning
to take strong action to stop something
Example
The manager decided to **clamp down** on late arrivals.
经理决定对迟到的人采取严格措施。
idiom

crash the system

使系统或过程完全崩溃
Meaning
to cause complete failure in a system or process
Example
One wrong command can **crash the system**.
一个错误的命令可能会使系统崩溃。
idiom

clue in

给某人必要的信息
Meaning
to give someone the necessary information
Example
Can you **clue me in** on the schedule changes?
你能 **告诉我时间表的变化吗？**
idiom

cash cow

一种持续带来大量收入的产品或服务
Meaning
a product or service that consistently generates a lot of money
Example
Their mobile app has become a **cash cow** for the company.
他们的移动应用程序已成为公司的摇钱树。
idiom

crossing the aisle

当一个政治家支持或投票支持对立党派时
Meaning
when a politician supports or votes for the opposite party
Example
She surprised everyone by **crossing the aisle** to support the bill.
她通过走过通道来支持该法案，令大家惊讶
idiom

come out on top

在某种情况下最好的或最成功的
Meaning
to be the best or most successful in a situation
Example
Despite the competition, she **came out on top**.
尽管有竞争，她**成功脱颖而出**。
idiom

confide in someone

相信某人，足够信任到可以告诉他们秘密
Meaning
to trust someone enough to tell them secrets
Example
She only **confides in** her best friend.
她只会向她最好的朋友吐露心事。
idiom

clear up

澄清某事或整理一个地方
Meaning
to make something easier to understand or to tidy a place
Example
Let me **clear up** the schedule so everyone knows their tasks.
让我**澄清**日程安排，以便每个人都知道自己的任务。
idiom

check over

仔细检查某事以发现错误
Meaning
to examine something carefully for mistakes
Example
Let’s **check over** the draft before sending it.
在发送之前我们检查过草稿。
idiom

content is king

高质量的内容是在线成功的最重要因素
Meaning
high-quality content is the most important factor for success online
Example
Never forget that **content is king** in digital marketing.
永远不要忘记，在数字营销中，**内容就是王者**。
idiom

cry your heart out

因悲伤而大声哭泣
Meaning
to cry a lot due to sadness
Example
She **cried her heart out** after hearing the bad news.
听到坏消息后，她痛哭流涕。
idiom

clickbait

旨在吸引注意并鼓励点击的标题或内容
Meaning
a headline or content designed to attract attention and encourage clicks
Example
That article title is pure **clickbait**.
那篇文章的标题完全是**点击诱饵**。
idiom

caught off guard

被某些意外事情惊讶或震惊
Meaning
surprised or shocked by something unexpected
Example
She was **caught off guard** by the sudden question.
她被突如其来的问题吓了一跳。
idiom

cry over spilt milk

为无法改变的事情而懊恼
Meaning
to be upset about something that cannot be changed
Example
There’s no use **crying over spilt milk**.
为洒掉的牛奶哭是没有用的。
idiom

cross the aisle

与对立政治党派的成员合作
Meaning
to cooperate with members of the opposing political party
Example
He often **crosses the aisle** to work on bipartisan issues.
他经常**穿过过道**与对方党派合作处理两党问题。
idiom

couldn't believe my eyes

惊讶得不敢相信自己所看到的
Meaning
to be so surprised that you doubt what you see
Example
I **couldn’t believe my eyes** when I saw the results.
当我看到结果时，我简直不敢相信自己的眼睛。
idiom

cost an arm and a leg

非常昂贵
Meaning
to be very expensive
Example
That designer bag **cost an arm and a leg**.
那个设计师包包**非常昂贵**。
idiom

come to terms with

在经过一些谈判后达成协议或接受一种情况
Meaning
to reach an agreement or accept a situation after some negotiation
Example
It took some time, but eventually we **came to terms with** the new policy.
这花了一些时间，但最终我们**接受了**新政策。
idiom

come rain or shine

不管发生什么；无论天气或情况如何
Meaning
no matter what happens; in any weather or situation
Example
He goes jogging **come rain or shine**.
无论晴天还是雨天，他都会去跑步。
idiom

Cut class

未经允许逃课
Meaning
To skip a class without permission
Example
He **cut class** to watch a movie.
他逃课去看电影了。
idiom

chart a new course

规划新的方向或策略
Meaning
to plan a new direction or strategy
Example
After the crisis, the CEO decided to **chart a new course**.
危机过后，首席执行官决定制定新的方针。
idiom

Cook the books

伪造财务记录以掩盖损失或盗窃。
Meaning
To falsify financial records to hide losses or theft.
Example
The accountant was fired for trying to **cook the books**.
那位会计因为试图篡改账目而被解雇。
idiom

cover up

掩盖某事的真相
Meaning
to hide the truth about something
Example
They tried to **cover up** the mistake.
他们试图掩盖这个错误。
idiom

crack under pressure

在压力下失去控制或失败
Meaning
to lose control or fail when under stress
Example
Some people **crack under pressure**, while others thrive.
有些人在压力下崩溃，而其他人则茁壮成长。
idiom

carry over

将某事物转移到稍后的时间或地点
Meaning
to transfer something to a later time or place
Example
We’ll **carry over** the unused vacation days to next year.
我们将把未使用的假期天数转移到明年。
idiom

come into one's own

达到成熟或充分发挥潜力
Meaning
to reach a stage of maturity or full potential
Example
She really **came into her own** after starting her own business.
她在开始自己的事业后真正发挥了全部潜力。
idiom

cut through the noise

在竞争中脱颖而出；尽管有干扰，依然能够引起注意
Meaning
to stand out from the competition; to be noticed despite distractions
Example
Our campaign needs to **cut through the noise** and grab people’s attention.
我们的营销需要在竞争中脱颖而出，吸引人们的注意。
idiom

cop a plea

为了避免更严厉的惩罚，承认较轻的罪名
Meaning
to plead guilty to a lesser charge in order to avoid a more severe penalty
Example
He decided to **cop a plea** and serve a shorter sentence.
他决定认罪并服较短的刑期。
idiom

cut loose

自由地表现并享受自己
Meaning
to behave freely and enjoy oneself
Example
It’s the weekend—time to **cut loose**!
是周末了—是时候**放松**了！
idiom

Clean hands

无罪或没有负罪感。
Meaning
To be innocent or free from guilt.
Example
He claims to have **clean hands** in the scandal.
他声称在丑闻中有**clean hands**。
idiom

clear the decks

通过移除不必要的事物来为行动做准备。
Meaning
Prepare for action by removing unnecessary things.
Example
We need to **clear the decks** before the new project begins.
我们需要在新项目开始之前**clear the decks**。
idiom

Cut your losses

停止做不再有利可图的事情。
Meaning
To stop doing something that is no longer profitable.
Example
It’s better to **cut your losses** and move on.
最好**止损**并继续前进。
idiom

curtain call

当表演者回到舞台上接受掌声时
Meaning
when performers return to the stage to receive applause
Example
After their amazing act, the team received a standing ovation during the **curtain call**.
在他们精彩的表演之后，团队在**帷幕落下**时得到了站立的掌声。
idiom

crossed wires

两个人之间的误会
Meaning
a misunderstanding between two people
Example
We must have **crossed wires** about the meeting time.
我们可能在会议时间上产生了误会。
idiom

cut someone down to size

批评某人让他感到自己不重要
Meaning
to criticize someone to make them feel less important
Example
The manager **cut him down to size** after he bragged too much.
经理在他吹嘘过多后**把他给放下**了。
idiom

clean up one’s act

改善行为或表现；变得更加负责任
Meaning
to improve behavior or performance; to become more responsible
Example
The factory had to **clean up its act** to avoid heavy fines.
工厂必须**改善行为**以避免重罚。
idiom

chase your dreams

积极努力实现你的雄心
Meaning
to actively try to achieve your ambitions
Example
You should always **chase your dreams** no matter how hard it seems.
无论多么困难，你都应该始终**追求你的梦想**。
idiom

cloak and dagger

涉及秘密、神秘和欺骗
Meaning
involving secrecy, mystery, and deception
Example
The meeting was surrounded by **cloak and dagger** secrecy.
会议充满了‘cloak and dagger’的秘密。
idiom

Catwalk queen

一个非常自信又时尚的女人，就像模特一样
Meaning
A woman who is very confident and stylish, like a model
Example
She walked into the room like a **catwalk queen**.
她走进房间，像一个T台女王。
idiom

case closed

事情已经解决或结束
Meaning
the matter is settled or finished
Example
The evidence was clear, so it’s **case closed**.
证据很清楚，所以这是**案件已结**。
idiom

crack of dawn

非常早的早晨
Meaning
very early in the morning
Example
He wakes up at the **crack of dawn** every day.
他每天早上在黎明时分醒来。
idiom

cutting corners

以最简单或最便宜的方式做事，通常会牺牲质量
Meaning
to do something in the easiest or cheapest way, often sacrificing quality
Example
They finished early by **cutting corners**, but the result was poor.
他们通过“走捷径”提前完成，但结果很差。
idiom

clean conscience

有一种感觉，你没有做错任何事情
Meaning
feeling that you have done nothing wrong
Example
He can sleep well because he has a **clean conscience**.
他可以睡得很好，因为他有一颗**干净的良心**。
idiom

crack the whip

利用权威让人们更加努力工作或遵守规则
Meaning
to use authority to make people work harder or obey rules
Example
The new manager is **cracking the whip** to improve productivity.
新经理正在**crack the whip**以提高生产力。
idiom

cut and paste

用很小的变化复制某些东西
Meaning
to copy something with little change
Example
You can't just **cut and paste** ideas from others.
你不能只是从别人那里**剪切并粘贴**想法。
idiom

crunch the data

处理和分析大量数据
Meaning
to process and analyze large amounts of data
Example
The AI can **crunch the data** in seconds and give insights.
AI 可以在几秒钟内处理数据并提供见解。
idiom

count on

依赖某人做某事
Meaning
to rely on or trust someone to do something
Example
You can always **count on** me.
你总是可以依赖我。
idiom

crunch the numbers

处理数据或分析统计
Meaning
to process data or analyze statistics
Example
AI can **crunch the numbers** faster than any human.
人工智能可以比任何人更快地分析数据。
idiom

call to mind

记起或回想起某事
Meaning
to remember or recall something
Example
This song **calls to mind** my childhood days.
这首歌让我想起了我的童年。
idiom

cold feet

对某事感到紧张或犹豫不决
Meaning
to feel nervous or hesitant about something
Example
He got **cold feet** before proposing to her.
在向她求婚之前，他感到犹豫不决。
idiom

chip in for

为共同费用出钱
Meaning
to contribute money toward a shared cost
Example
Everyone agreed to **chip in for** a farewell cake.
每个人都同意为告别蛋糕出钱。
idiom

cross your mind

短暂地想到某事
Meaning
to think of something briefly
Example
It never **crossed my mind** that he could lie.
我从没想到他会撒谎。
idiom

cold case

一宗长时间未解决的刑事案件
Meaning
a criminal case that has not been solved for a long time
Example
The detective reopened a **cold case** from 1999.
侦探重新开启了1999年的**冷案**。
idiom

come out of one's shell

变得更外向或更自信
Meaning
to become more outgoing or confident
Example
She used to be shy, but now she has finally **come out of her shell**.
她以前很害羞，但现在她终于**走出了她的壳**。
idiom

count your blessings

为你生活中的美好事物心怀感激
Meaning
be grateful for the good things in your life
Example
Instead of complaining, **count your blessings**.
不要抱怨，**数算你的祝福**。
idiom

carry a torch for someone

继续爱一个不爱你的人
Meaning
to continue loving someone who doesn’t love you back
Example
He’s still **carrying a torch for** his ex-girlfriend.
他仍然爱着他的前女友。
B2 idiom

close but no cigar

几乎正确或成功，但不完全
Meaning
Almost correct or successful but not quite
Example
He was close to winning the competition, but close but no cigar.
他差点赢得比赛，但最终还是没能成功。
idiom

clash of wills

两个决心坚定的人之间的冲突
Meaning
a conflict between two determined people
Example
It was a **clash of wills** between the manager and the employee.
这是经理和员工之间的**克拉什 夫 威尔斯**。
idiom

cut through the red tape

去除官僚障碍或延误
Meaning
to remove bureaucratic obstacles or delays
Example
The new policy helps **cut through the red tape** and speed up approvals.
新政策有助于去除官僚障碍并加快审批。
idiom

Catch on

开始理解某事。
Meaning
To begin to understand something.
Example
It took him a while to **catch on** to the new rules.
他花了些时间**理解**新规则。
idiom

chin up, soldier

在困难的情况下保持勇敢和坚强
Meaning
to stay brave and strong in difficult situations
Example
**Chin up, soldier**, things will get better soon.
**振作起来，士兵**，一切很快就会好起来。
idiom

couch potato

一个花很多时间坐着看电视的人
Meaning
a person who spends a lot of time sitting and watching TV
Example
He’s such a **couch potato**, he never goes out or exercises.
他是一个 **couch potato**，他从不外出，也不做运动。
idiom

Crossing the Rubicon

采取一个不可逆转的步骤，带来严重后果。
Meaning
Taking an irreversible step with serious consequences.
Example
By going public with the information, he was **crossing the Rubicon**.
通过公开信息，他迈出了一个不可逆转的步伐。
idiom

Caesar’s wife must be above suspicion

处于信任位置的人必须毫无过错嫌疑。
Meaning
A person in a position of trust must be beyond any hint of wrongdoing.
Example
A judge should remember that **Caesar’s wife must be above suspicion**.
法官应记住，凯撒的妻子必须无可指责。
idiom

crack the code

解决一个复杂的问题或谜题
Meaning
to solve a complex problem or mystery
Example
It took hours, but we finally **cracked the code** of the system error.
花了好几个小时，但我们终于**破解了系统错误的代码**。
idiom

cross your heart

做出真诚的承诺
Meaning
to make a sincere promise
Example
I’ll never tell anyone, **cross my heart**.
我永远不会告诉任何人，**我发誓**。
idiom

cloud computing

使用远程服务器通过互联网存储、管理和处理数据的做法
Meaning
the practice of using remote servers to store, manage, and process data over the internet
Example
Many businesses rely on **cloud computing** for data storage and security.
许多企业依赖于**云计算**来进行数据存储和安全。
idiom

call a spade a spade

诚实直接地说话，即使它令人不悦
Meaning
to speak honestly and directly, even if it’s unpleasant
Example
She always **calls a spade a spade**, no matter who gets offended.
她总是直言不讳，不管谁生气。
idiom

cut and paste solution

一个简单或没有创意的解决办法；复制的方法
Meaning
an easy or unoriginal fix; a copied approach
Example
That’s just a **cut and paste solution**, not a real fix.
那只是一个复制粘贴的解决方案，不是真正的解决办法。
idiom

catch a bug

在系统中找到问题或缺陷
Meaning
to find a problem or defect in a system
Example
The developer was able to **catch a bug** in the system before it went live.
开发人员在系统上线之前成功**发现了一个错误**。
idiom

create buzz

引起人们对某个产品或活动的兴奋和讨论
Meaning
to generate excitement and talk about a product or event
Example
The teaser video helped **create buzz** before the product launch.
预告视频帮助在产品发布前引起了热议。
idiom

castles in the air

不可能或不现实的梦想或计划
Meaning
dreams or plans that are impossible or unrealistic
Example
He’s always building **castles in the air** about his future.
他总是在为自己的未来建造**castles in the air**。
idiom

Carry the torch

继续支持从过去传承下来的事业或理念。
Meaning
To continue supporting a cause or idea passed from the past.
Example
Young activists are **carrying the torch** of civil rights today.
今天的年轻活动家们正在**传承火炬**，继续推进公民权利。
idiom

Cut from the same cloth

在性格或行为上非常相似。
Meaning
To be very similar in character or behavior.
Example
Those two brothers are **cut from the same cloth**.
这两个兄弟在行为上几乎一模一样。
idiom

cold call

在没有事先介绍的情况下联系潜在客户
Meaning
to contact a potential customer without prior introduction
Example
He spent all morning making **cold calls** to new clients.
他花了一整个早上给新客户打**冷电话**。
idiom

Cover a lot of ground

处理大量的信息或材料
Meaning
to deal with a lot of information or material
Example
The lecture **covered a lot of ground** in just one hour.
这次讲座在一个小时内涵盖了许多内容。
idiom

carry through

尽管有困难仍然完成某事
Meaning
to complete something despite difficulties
Example
She promised to **carry through** with the training program.
她答应要**完成**培训项目。
idiom

corner office

公司中成功或高职位的象征
Meaning
a symbol of success or high position in a company
Example
Everyone dreams of getting the **corner office** one day.
每个人都梦想有一天能得到 **角落办公室**。
idiom

call the shots

掌控决策，做出决定
Meaning
to be in charge and make decisions
Example
In this company, the manager **calls the shots**.
在这家公司，经理做出决策。
idiom

Caught on camera

在视频中录制；视觉捕捉
Meaning
Recorded on video; captured visually
Example
The accident was **caught on camera** by a passerby.
这起事故被**拍摄在相机上**，由一位路人。
idiom

cover your tracks

隐藏一个人行为的证据
Meaning
to hide evidence of one’s actions
Example
Hackers often **cover their tracks** after breaking into systems.
黑客在进入系统后常常**掩盖他们的痕迹**。
idiom

change of scene

新的环境或情况
Meaning
a new environment or situation
Example
After months of work, I needed a **change of scene**.
经过几个月的工作，我需要一个**场景变化**。
idiom

change of heart

对某事或某人感受的变化
Meaning
a change in the way one feels about something or someone
Example
He had a **change of heart** and decided to stay.
他改变了主意，决定留下。
idiom

come to mind

突然想起某事
Meaning
to suddenly remember something
Example
Her name didn’t **come to mind** at first.
她的名字一开始没有想起来。
idiom

chase rainbows

尝试实现不可能的事情
Meaning
to try to achieve something impossible
Example
Stop **chasing rainbows** and focus on reality.
停止**追逐彩虹**，专注于现实。
idiom

cold shoulder

故意忽视某人
Meaning
to ignore someone deliberately
Example
After the argument, she gave him the **cold shoulder** for days.
争吵后，她几天没有理他。
idiom

close the book on something

停止处理或思考某事
Meaning
to stop dealing with or thinking about something
Example
After years of conflict, they finally **closed the book on** their rivalry.
经过多年的冲突，他们终于**结束了**彼此的对立。
idiom

catfish someone

通过创建虚假的在线身份来欺骗某人
Meaning
to deceive someone by creating a fake online identity
Example
He was **catfished** by someone pretending to be a model.
他被某个假装是模特的人**欺骗**了。
idiom

clean up your act

开始更负责任地行为。
Meaning
to start behaving more responsibly.
Example
You need to **clean up your act** if you want that promotion.
如果你想要那个晋升，你需要**clean up your act**。
idiom

Crossing the line

超出可接受或适当的界限
Meaning
To go beyond acceptable or proper boundaries.
Example
The diplomat was criticized for **crossing the line** in his comments about the host country.
外交官因在关于东道国的评论中**越过了界限**而受到批评。
idiom

Change is the only constant

生活中的一切都在不断变化；没有什么保持不变。
Meaning
Everything in life keeps changing; nothing stays the same.
Example
Don’t resist — change is the only constant.
不要抵抗 — 变化是唯一不变的。
idiom

cold fish

一个没有情感或缺乏温暖的人
Meaning
a person who is unemotional or lacks warmth
Example
He’s such a **cold fish**; he never shows his feelings.
他真是个**冷血的家伙**；他从不表现自己的感受。
idiom

chain reaction

由一个事件引发的一系列事件
Meaning
a series of events triggered by one event
Example
One breakthrough can start a **chain reaction** of new innovations.
一个突破可以引发新的创新的**连锁反应**。
idiom

catch the train

准时赶上火车或事件
Meaning
to be on time for a train or event
Example
Hurry up or you’ll not **catch the train**!
快点，否则你会错过火车！
idiom

cutting edge

最先进或创新的
Meaning
the most advanced or innovative
Example
Our company is working on **cutting edge** AI technology.
我们公司正在研发最先进的人工智能技术。