cool as a cucumber
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idiom

cool as a cucumber

非常冷静和镇定
Meaning
very calm and composed
Example
He stayed **cool as a cucumber** during the meeting.
他在会议期间保持非常冷静。
idiom

cross that bridge when you come to it

等问题发生时再处理，不要提前
Meaning
to deal with a problem when it happens, not before
Example
We will **cross that bridge when we come to it**.
等到了那一步我们再说。
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

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

come to the rescue

帮助陷入困境的人
Meaning
to help someone in trouble
Example
A firefighter **came to the rescue** of the trapped cat.
一名消防员**来救援**被困的猫。
idiom

call to order

正式开始会议或讨论
Meaning
to officially begin a meeting or discussion
Example
The chairperson **called the meeting to order** at 10 AM.
主席在上午10点**召集了会议**。
idiom

calm down

冷静下来或放松
Meaning
to become less angry or upset
Example
Please **calm down**, everything is under control.
请冷静下来，一切都在掌控之中。
idiom

cover your bases

为所有可能的结果做好准备；保持谨慎
Meaning
to prepare for all possible outcomes; to be cautious
Example
Make sure you **cover your bases** before presenting the report.
在提交报告之前，确保你已经**覆盖了你的基础**。
idiom

cash in on

从某个情况中获利，通常很快
Meaning
to profit from a situation, often quickly
Example
Several startups tried to **cash in on** the sudden trend.
几个初创公司试图从突如其来的趋势中获利。
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

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

cutting-edge marketing

使用最新和最先进的营销技术
Meaning
using the latest and most advanced marketing techniques
Example
Our company invests in **cutting-edge marketing** strategies.
我们的公司投资于前沿营销策略。
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

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

close the deal

成功地达成协议
Meaning
to successfully finalize an agreement
Example
After weeks of negotiation, they finally **closed the deal**.
经过数周的谈判，他们终于达成了协议。
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

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

chill out

放松并停止生气或紧张
Meaning
to relax and stop being angry or nervous
Example
You need to **chill out** and enjoy the weekend.
你需要放松并享受周末。
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

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

carve up

将某物分成部分
Meaning
to divide something into parts
Example
Let’s **carve up** the timeline into manageable phases.
我们把时间线划分为可管理的阶段。
idiom

check back in

稍后再次联系以获取更新
Meaning
to reconnect later to get an update
Example
Let’s **check back in** next week on the prototype.
我们下周再检查原型。
idiom

cut the mustard

表现得好或符合期望
Meaning
to perform well or meet expectations
Example
She didn’t **cut the mustard** in her new role.
她在新角色中没有**切黄芥末**。
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

cross off

从清单中删除一项
Meaning
to remove an item from a list
Example
You can **cross off** the tasks we’ve finished.
你可以把我们完成的任务**从清单中划掉**。
idiom

crack the books

打开书本并开始学习
Meaning
to open your books and begin studying
Example
It's time to **crack the books** and prepare for finals.
是时候打开书本并为期末考试做准备。
idiom

cross one's heart

做出真诚的承诺，通常由孩子们使用
Meaning
to make a sincere promise, often used by children
Example
I’ll never lie to you again, **cross my heart**.
我再也不会对你撒谎了，**我发誓**。
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

carry the weight of responsibility

承担重要责任的负担
Meaning
to bear the burden of an important duty or obligation
Example
As a team leader, he has to **carry the weight of responsibility**.
作为团队领导，他必须**承担责任的重担**。
idiom

carve your own path

开辟自己的道路以获得成功或独立
Meaning
to create your own way of achieving success or independence
Example
She decided to **carve her own path** instead of joining her family business.
她决定**开辟自己的道路**，而不是加入家族企业。
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

call the tune

掌控; 做出重要决定
Meaning
to be in control; to make important decisions
Example
In this company, the investors **call the tune**.
在这家公司，投资者做出重要决策。
idiom

come full circle

经历一系列变化后回到原来的状态
Meaning
to return to the original state after a series of changes
Example
After years abroad, she’s **come full circle** and moved back home.
在国外多年后，她回到了原点并搬回了家。
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

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

call it a night

停止正在做的事并回家，特别是在派对后
Meaning
to stop what you are doing and go home, especially after a party
Example
It’s getting late, let’s **call it a night**.
已经很晚了，我们回家吧。
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

catch some z’s

睡一会儿
Meaning
to get some sleep
Example
I need to **catch some z’s** before the meeting.
我需要在会议前睡一会儿。
idiom

catch the travel bug

变得对旅行非常感兴趣
Meaning
to become very interested in traveling
Example
After visiting Thailand, she really **caught the travel bug**.
参观泰国后，她真的**感染了旅行的虫子**。
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

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

cut above the rest

比别人更好
Meaning
to be better than others
Example
His presentation was **a cut above the rest**.
他的演讲比别人更好。
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

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

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

carry on luggage

随身携带的小包或行李
Meaning
small bags taken with you on a plane or trip
Example
She packed all her essentials in her **carry on luggage**.
她把所有必需品都装在她的随身行李里。
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

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

carry forward

将某事移至以后的时间
Meaning
to move something to a later period
Example
We’ll **carry forward** the unused budget to next quarter.
我们将未使用的预算转到下个季度。
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

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

come into the spotlight

获得公众关注或认可
Meaning
to receive public attention or recognition
Example
She **came into the spotlight** after winning the award.
她 **进入了聚光灯** 之后获得了奖项。
idiom

can't believe your eyes

惊讶到怀疑自己看到的东西
Meaning
to be so surprised that you doubt what you are seeing
Example
I **couldn’t believe my eyes** when I saw the snowfall.
当我看到雪花时，我简直不敢相信自己的眼睛。
idiom

copycat

模仿另一个人的人
Meaning
someone who imitates another person
Example
She’s such a **copycat**, always doing what I do.
她是个**copycat**，总是做我做的事。
idiom

Calm before the storm

暴风雨前的平静。
Meaning
A peaceful time before trouble or chaos starts.
Example
The office is quiet now, but it’s just **the calm before the storm**.
现在办公室很安静，但这只是暴风雨前的平静。
idiom

code like a machine

在编程中极快且高效地工作
Meaning
to work extremely fast and efficiently on programming
Example
She can **code like a machine** when a deadline is near.
当截止日期临近时，她可以**像机器一样编程**。
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

come of age

达到成熟；完全发展
Meaning
to reach maturity; to become fully developed
Example
The company has **come of age** in the last few years.
公司在最近几年已经成熟。
idiom

come down hard on

严厉地惩罚或批评某人
Meaning
to punish or criticize someone severely
Example
The company **came down hard on** employees who broke the rules.
公司严厉地惩罚了违反规则的员工。
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

Cut one’s losses

停止做一些失败的事情，以避免进一步的损失。
Meaning
To stop doing something that is failing to avoid further loss.
Example
It’s better to **cut your losses** and exit the market now.
现在最好是**减少你的损失**并退出市场。
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

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

cut someone some slack

不那么批评或给某人喘息的机会
Meaning
to be less critical or give someone a break
Example
You should **cut him some slack**—he’s having a tough day.
你应该**宽容他一点**—他今天过得很艰难。
idiom

crazy about someone

深深地被某人吸引或迷住
Meaning
to be deeply attracted or infatuated with someone
Example
She’s **crazy about** her new boyfriend.
她对她的新男朋友**疯狂**。
idiom

cutthroat competition

极其激烈而残酷的竞争
Meaning
extremely intense and ruthless competition
Example
The smartphone market is a **cutthroat competition**.
智能手机市场是一场残酷的竞争。
idiom

Cross one’s mind

突然想到某事。
Meaning
To suddenly think of something.
Example
It never **crossed my mind** that he could be lying.
我从未**想过**他可能在撒谎。
idiom

change of guard

领导或权力的更替
Meaning
a change in leadership or authority
Example
There has been a **change of guard** in the ruling party.
在执政党发生了**换防**。
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

comic relief

在严肃情境中的一个有趣时刻
Meaning
a funny moment in a serious situation
Example
The movie’s sidekick provided much-needed **comic relief**.
电影中的配角提供了一个非常需要的喜剧缓解。
idiom

color outside the lines

以创造性和不拘一格的方式思考或行动
Meaning
to think or act creatively and unconventionally
Example
Good designers always **color outside the lines**.
优秀的设计师总是**超越界限**思考。
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

Culture shock

遇到不同文化时的困惑感
Meaning
A feeling of confusion when encountering a different culture
Example
Moving to Japan gave her a bit of **culture shock** at first.
搬到日本让她刚开始时感到有点 **文化冲击**。
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

call a truce

同意停止战斗或争论一段时间
Meaning
to agree to stop fighting or arguing for a while
Example
They decided to **call a truce** until the boss arrived.
他们决定在老板到达之前**停战**。
idiom

carry yourself with confidence

以自信和确定的方式行事
Meaning
to behave in a confident and assured way
Example
She always **carries herself with confidence** during meetings.
她在会议期间总是以自信的态度展示自己。
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 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

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

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

chatterbox

一个说很多话的人
Meaning
a person who talks a lot
Example
My little sister is a real **chatterbox**.
我的小妹妹是个真正的喋喋不休的人。
idiom

code of ethics

一组指导人工智能开发或使用的道德原则
Meaning
a set of moral principles guiding AI development or usage
Example
Developers must follow a strict **code of ethics** in AI research.
开发者必须在人工智能研究中遵守严格的**道德规范**。
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

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

clear away

移除物品以整理空间
Meaning
to remove things to tidy a space
Example
Please **clear away** the dishes after lunch.
请在午餐后清理盘子。
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

cover all the angles

从各个角度审视一个故事或问题
Meaning
to examine a story or issue from every perspective
Example
The journalist tried to **cover all the angles** before publishing the article.
记者在发布文章之前尽力**涵盖所有角度**。
idiom

change your mind

决定与之前不同的事情
Meaning
to decide something different from before
Example
She **changed her mind** about going to the party.
她**改变了主意**不去参加聚会。
idiom

carry on about

激动或恼火地长时间讲述
Meaning
to speak at length in an excited or annoyed way
Example
He kept **carrying on about** the missed deadline all morning.
他整整一早上都在**讲述**错过的最后期限。
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

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

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

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

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

change your tune

改变你的意见或态度
Meaning
to change your opinion or attitude
Example
He criticized the plan at first but later **changed his tune**.
一开始他批评了这个计划，但后来他改变了看法。
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

cornerstone of success

实现成功的最重要基础或要素
Meaning
the most important foundation or element for achieving success
Example
Hard work is the **cornerstone of success**.
勤奋工作是**成功的基石**。
idiom

cut the cord

摆脱对某人或某事的依赖
Meaning
to become independent from someone or something
Example
It’s time for you to **cut the cord** and live on your own.
是时候你独立生活，不再依赖别人了。
idiom

cross the ethical line

做某事，被认为在道德上是错误的
Meaning
to do something that is considered morally wrong in ethics
Example
Selling user data without permission **crosses the ethical line**.
未经许可出售用户数据 **越过了道德界限**。
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

Crooked as a snake

不诚实或不可靠
Meaning
Dishonest or untrustworthy.
Example
Everyone knows that politician is **crooked as a snake**.
大家都知道那位政治家是**像蛇一样不诚实**。
idiom

call the bluff

挑战某人证明他们的权威或主张
Meaning
to challenge someone to prove their authority or claim
Example
She **called his bluff** when he threatened to quit.
当他威胁辞职时，她揭穿了他的虚张声势。
idiom

check up on

确认某人或某事是否一切顺利
Meaning
to verify that someone or something is doing well
Example
I’ll **check up on** the interns after the training session.
我将在训练结束后检查实习生。
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

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

carve out a niche

为自己创造一个独特的地方或角色
Meaning
to establish a unique place or role for oneself
Example
She **carved out a niche** as a specialist in art restoration.
她作为艺术修复专家**创造了一个自己的定位**。
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

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

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

carry the weight of the world on one's shoulders

感到对许多问题或职责负责
Meaning
to feel responsible for many problems or duties
Example
She always **carries the weight of the world on her shoulders**, even when it's not her fault.
她总是肩负着整个世界的重担，即使那不是她的错。
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

climbing the ladder

改善自己的位置，通常是在职业或个人成长中
Meaning
to improve one's position, typically in a career or personal growth
Example
He started at the bottom of the company and has been **climbing the ladder** ever since.
他从公司最底层开始，从那时起他一直在**爬上梯子**。
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

call it quits

停止或结束某事
Meaning
to stop or end something
Example
After working for hours, they decided to **call it quits** for the day.
经过几个小时的工作后，他们决定**结束今天**的工作。
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

change with the times

适应社会或科技的变化
Meaning
to adapt to the changes in society or technology
Example
In order to stay relevant in the business, it's important to **change with the times**.
为了在商业中保持相关性，重要的是要**与时俱进**。
idiom

cry over spilled milk

为不能改变的事而烦恼
Meaning
to be upset about something that cannot be changed
Example
There's no use **crying over spilled milk**.
为已经发生的事哭泣没有意义。
idiom

can of worms

一个复杂的问题，一旦开始，可能会引发更多麻烦
Meaning
a complex problem that may cause more trouble once started
Example
AI bias is a **can of worms** that’s hard to fix.
AI偏见是一个**can of worms**，很难解决。
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

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

come up with

想出一个计划、想法或解决方案
Meaning
to think of a plan, idea, or solution
Example
She managed to **come up with** a clever workaround overnight.
她成功地在一夜之间想出了一个巧妙的解决方法。