chase rainbows
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All Types idiom phrasal-verb proverb
Content locale
EN 英语 BN 孟加拉语 HI 印地语 ES 西班牙语 FR 法语 DE 德语 RU 俄语 ZH 中文 JA 日语
All Expression Cards All Expressions
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

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

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

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

chart your own course

独立规划自己的道路或未来
Meaning
to plan your own path or future independently
Example
He decided to **chart his own course** and become an entrepreneur.
他决定**规划自己的道路**并成为企业家。
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 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

come to light

浮出水面；变得为人所知或被揭示
Meaning
to become known or revealed
Example
The truth finally **came to light** after many years.
真相在多年后终于**浮出水面**。
idiom

cut corners

以最简单或最便宜的方式做某事
Meaning
to do something in the easiest or cheapest way
Example
They **cut corners** to finish the project faster.
他们为了更快完成项目而走捷径。
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

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

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

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

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

change gears

转变思考方式或做事方式
Meaning
to shift to a new way of thinking or doing things
Example
We need to **change gears** if we want to reach our target in time.
如果我们想按时达到目标，我们需要**换挡**。
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

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。
idiom

Caught with your pants down

被抓到没有准备或感到尴尬。
Meaning
To be caught unprepared or embarrassed.
Example
The manager was **caught with his pants down** when asked about the figures.
当被问及数据时，经理毫无准备地被抓到。
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

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

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 your teeth

在特定领域或工作中获得初步经验
Meaning
to gain initial experience in a particular area or job
Example
He **cut his teeth** in the banking industry before starting his own firm.
在创办自己的公司之前，他在银行业获得了初步经验。
idiom

carry weight

拥有影响力或重要性
Meaning
to have influence or importance
Example
His opinion **carries a lot of weight** in this organization.
他的意见在这个组织中**具有很大的影响力**。
idiom

crash and burn

彻底或突然失败
Meaning
to fail completely or suddenly
Example
The new software update **crashed and burned** after launch.
新的软件更新在发布后**彻底失败了**。
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

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

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

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

cross the floor

改变政治忠诚或党派
Meaning
to change political allegiance or party
Example
The MP shocked everyone when he decided to **cross the floor** and join the opposition.
当议员决定**跨越楼层**并加入反对党时，震惊了所有人。
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

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

carry the burden

承担责任或困难的任务
Meaning
to take on responsibility or a difficult task
Example
She had to **carry the burden** of the entire project alone.
她不得不独自**承担整个项目的重担**。
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

cover story

杂志或报纸封面的主要故事
Meaning
the main story on the front of a magazine or newspaper
Example
Her interview became the **cover story** of the week.
她的采访成为了本周的封面故事。
idiom

Cultural melting pot

不同文化融合的地方
Meaning
A place where different cultures blend together
Example
New York is often described as a **cultural melting pot**.
纽约常被描述为一个**文化大熔炉**。
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

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

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 out with it

公开或诚实地说出你一直隐藏的事情
Meaning
to say something openly or honestly that you’ve been hiding
Example
Stop hesitating and just **come out with it**!
别再犹豫，直接说出来！
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

cancel culture

在某人做了冒犯性的事情之后撤回对他们的支持的做法
Meaning
the practice of withdrawing support from someone after they do something offensive
Example
Many celebrities fear **cancel culture** online.
许多名人害怕在线的**取消文化**
idiom

come clean

告诉隐藏的事情的真相
Meaning
to tell the truth about something you have been hiding
Example
He finally **came clean** about what happened.
他终于坦白了发生了什么。
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

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

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 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

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

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

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

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

come to terms

在讨论或冲突后达成协议
Meaning
to reach an agreement after discussion or conflict
Example
After weeks of negotiation, both sides finally **came to terms**.
经过几周的谈判，双方最终达成了协议。
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

connect the dots

在思想或信息之间建立联系
Meaning
to make connections between ideas or information
Example
Once you **connect the dots**, the whole picture will make sense.
一旦你**连接点**，整个图像就会有意义。
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

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

count to ten

在生气之前暂停并冷静下来
Meaning
to pause and calm down before reacting in anger
Example
When you’re upset, just **count to ten** before speaking.
当你生气时，在说话之前先**数到十**。
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

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

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

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

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

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

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

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

chip away at

逐步在某事上工作以取得结果
Meaning
to gradually work on something to achieve a result
Example
She **chipped away at** her thesis every evening until it was finished.
她每晚都**逐步工作**她的论文，直到完成。
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

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

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

carry the weight of the world

承担大量责任
Meaning
to take on a lot of responsibility
Example
John felt like he had to **carry the weight of the world** on his shoulders at work.
John 觉得他在工作中必须 **carry the weight of the world**。
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

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

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

couldn’t care less

表现出完全的冷漠
Meaning
to show total indifference
Example
She **couldn’t care less** about what people think.
她对别人怎么想完全不在乎。
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

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

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

call to action

一种鼓励观众立即回应的提示
Meaning
a prompt that encourages an immediate response from an audience
Example
Your ad must include a strong **call to action**.
您的广告必须包含一个强有力的 **行动号召**。
idiom

cross your fingers

希望事情按你想要的方式发生
Meaning
to hope that things will happen the way you want
Example
I'm **crossing my fingers** that I get the job.
我在祈祷我能得到这份工作。
idiom

crybaby

一个容易抱怨或哭泣的人
Meaning
someone who complains or cries easily
Example
Don’t be a **crybaby**, it’s just a small scratch.
不要做一个**爱哭鬼**，这只是一个小小的擦伤。
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

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

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

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

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

climb the ladder of success

在事业或生活中取得更高的位置
Meaning
to achieve higher positions in career or life
Example
She’s been **climbing the ladder of success** through hard work.
她通过努力工作正在**爬上成功的阶梯**。
idiom

cry wolf

发出虚假的警报
Meaning
to raise a false alarm
Example
Do not **cry wolf** or no one will believe you later.
不要**发出虚假的警报**，否则以后没人会相信你。
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

cover all the bases

为每个可能的情况做好准备
Meaning
to prepare for every possible situation
Example
We need to **cover all the bases** before the meeting.
我们需要在会议之前做好准备。
idiom

catch up

在很长一段时间后见面并交谈; 达到与某人相同的水平
Meaning
to meet and talk after a long time; to reach the same level as someone
Example
Let’s **catch up** over coffee this weekend.
这个周末我们一起喝咖啡聊聊。
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

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

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

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

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

Cook up a story

编造一个虚假的故事。
Meaning
To invent a false story.
Example
He **cooked up a story** to explain why he was late.
他编造了一个故事来解释他为什么迟到。
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

cry a river

哭很多或表现出极度的悲伤
Meaning
to cry a lot or show extreme sadness
Example
He **cried a river** after hearing the news.
他听到消息后哭了很多。
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

carry out one's duties

执行分配给自己的任务或责任
Meaning
to perform one's assigned tasks or responsibilities
Example
He always **carries out his duties** with honesty and dedication.
他总是以诚实和奉献精神完成自己的职责。
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

circle around

围绕某物反复移动
Meaning
to move repeatedly around something
Example
The hawk kept **circling around** above the trees.
老鹰不停地在树木上空**盘旋**。
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

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 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

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

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

change one's tune

改变自己的意见或态度
Meaning
to change one's opinion or attitude
Example
After hearing the good news, he decided to **change his tune**.
听到好消息后，他决定**改变自己的看法**。
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

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

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

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

climb to the top

在公司或领域中达到最高职位
Meaning
to achieve the highest position in a company or field
Example
He’s determined to **climb to the top** of his profession.
他决心**登上顶峰**，成为他的职业巅峰。
idiom

cat nap

白天短暂的小睡
Meaning
a short sleep during the day
Example
I took a **cat nap** before the meeting.
我在会议前小睡了一会儿。
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

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

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

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

Cultural shock

当接触到不同的文化或生活方式时的困惑感
Meaning
A feeling of confusion when exposed to a different culture or way of life
Example
Moving from a small village to a big city gave me **cultural shock**.
从一个小村庄搬到大城市让我感到文化冲击。
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

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

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。