As cool as a cucumber
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idiom

As cool as a cucumber

非常冷静和放松。
Meaning
Very calm and relaxed.
Example
Even in stressful situations, she stays **as cool as a cucumber**.
即使在紧张的情况下，她也能保持镇定自若。
idiom

the internet of things (IoT)

将日常物品连接到互联网以发送和接收数据
Meaning
the connection of everyday objects to the internet to send and receive data
Example
Smart homes are part of the **internet of things (IoT)**, where devices are interconnected.
智能家居是**物联网 (IoT)**的一部分，设备之间相互连接。
idiom

to bask in the glory

在取得伟大成就后享受他人的钦佩和赞扬
Meaning
to enjoy the admiration and praise from others after achieving something great
Example
He **basked in the glory** of his victory for weeks after the championship.
他在冠军赛后几周沉浸在胜利的荣耀中
idiom

to have hope in one's heart

对未来保持希望和乐观
Meaning
to remain hopeful and optimistic about the future
Example
Despite all the challenges, he always **has hope in his heart**.
尽管面临所有挑战，他总是**心中充满希望**。
idiom

track down

经过搜索后找到某物或某人
Meaning
to find something or someone after a search
Example
We finally **tracked down** the missing invoice.
我们终于**找到了**丢失的发票。
idiom

open one's heart

真诚地表达感受或情感
Meaning
to express feelings or emotions honestly
Example
She finally decided to **open her heart** and share her feelings.
她终于决定**敞开心扉**，分享她的感受。
idiom

A leap of faith

即使没有证据或证明，仍然相信某事。
Meaning
Believing in something even without evidence or proof.
Example
When she took the job offer, it was truly **a leap of faith**.
当她接受工作邀请时，真的 **信念的一跃**。
idiom

Keep one’s eye on the ball

专注于实现目标。
Meaning
To stay focused on achieving a goal.
Example
If you **keep your eye on the ball**, you’ll surely succeed.
如果你专注于目标，你一定会成功。
idiom

a fair trial

一个所有方都被平等和公正对待的审判
Meaning
a trial where all sides are treated equally and justly
Example
The defendant demanded **a fair trial** to prove his innocence.
被告要求**一个公正的审判**来证明他的无辜。
idiom

cold war

国家之间没有实际战争的政治敌对和紧张状态
Meaning
a state of political hostility and tension between countries without actual warfare
Example
During the 20th century, the United States and the Soviet Union were engaged in a **cold war**.
在20世纪，美国和苏联参与了一场**冷战**。
idiom

brighten up your day

使某人感到更快乐
Meaning
to make someone feel happier
Example
Her smile can **brighten up your day** instantly.
她的微笑能瞬间**让你的一天更美好**。
idiom

kingmaker

一个在决定谁将拥有权力方面具有巨大影响力的人
Meaning
a person who has great influence in deciding who will hold power
Example
The media mogul became a **kingmaker** in national politics.
这位媒体大亨成为了国家政治中的一个**kingmaker**。
idiom

good Samaritan

一个无私帮助他人的人
Meaning
a person who helps others selflessly
Example
A **good Samaritan** helped the old man cross the street.
一个**好撒马利亚人**帮助老人过马路。
idiom

show leadership

展示领导才能或技能
Meaning
to demonstrate leadership qualities or skills
Example
She was able to **show leadership** during the crisis and guide the team through tough times.
她能够在危机期间**展示领导力**并引导团队度过艰难时期。
idiom

Don’t bite off more than you can chew

不要承担超出你能处理的责任。
Meaning
Don’t take on more responsibility than you can handle.
Example
**Don’t bite off more than you can chew**, start small.
不要咬下超过你能咀嚼的东西，从小开始。
idiom

be sure of yourself

对你的能力或意见有信心
Meaning
to have confidence in your abilities or opinions
Example
To be a leader, you must **be sure of yourself**.
成为一名领导者，你必须对自己有信心。
idiom

blow out of proportion

夸大或过度陈述某事
Meaning
to exaggerate or overstate something
Example
The media **blew the story out of proportion**.
媒体把故事夸大了。
idiom

turn the tide

在情况或趋势中造成重大变化
Meaning
to cause a significant change in a situation or trend
Example
The new strategy helped us **turn the tide** in our favor.
新策略帮助我们扭转了局势。
idiom

follow through on

完成一项任务或承诺，如计划所示
Meaning
to complete a task or promise as planned
Example
She always **follows through on** what she says she will do.
她总是**履行**她说她会做的事。
idiom

acid test

一个关键测试，证明某物的价值或成功
Meaning
a crucial test that proves the value or success of something
Example
The product launch will be the **acid test** of our new design.
产品发布将是我们新设计的**酸性测试**。
idiom

You took the words right out of my mouth

你说的正是我想的
Meaning
You said exactly what I was thinking
Example
**You took the words right out of my mouth** — I was about to say that!
**你说的正是我想的**——我正要说呢！
idiom

Get down to brass tacks

开始讨论事情的基本或最重要的方面。
Meaning
To start discussing the essential or most important aspects of a matter.
Example
Let’s **get down to brass tacks** and talk about the real issues.
让我们**进入正题**，谈谈真正的问题。
idiom

wrap your head around something

设法理解某个困难或奇怪的事情
Meaning
to succeed in understanding something difficult or strange
Example
I'm still trying to **wrap my head around** this new software.
我还在努力理解这个新软件。
idiom

Talk through your hat

说胡话或谈论自己了解甚少的事物。
Meaning
To speak nonsense or about something one knows little about.
Example
He was **talking through his hat** about quantum physics.
他在 **胡说八道** 量子物理。
idiom

a stroke of luck

偶然发生的好运
Meaning
something good that happens by chance
Example
It was **a stroke of luck** that I found my lost wallet.
我找到丢失的钱包真是**一场幸运**。
idiom

on the fast track

在职业或项目中快速进展
Meaning
advancing quickly in a career or project
Example
He is **on the fast track** to becoming a manager.
他正在**快速通道**上成为经理。
idiom

steer the ship

掌控或控制一个情况或组织
Meaning
to be in charge or control of a situation or organization
Example
The manager was able to **steer the ship** through the difficult times.
经理成功地**steer the ship**度过了困难的时期。
idiom

iron out

解决小问题或差异
Meaning
to resolve small problems or differences
Example
We need to **iron out** the payment details before signing.
我们需要在签署之前解决支付细节。
idiom

wear one's heart on one's sleeve

公开展示情感或感受
Meaning
to openly show emotions or feelings
Example
He tends to **wear his heart on his sleeve** when it comes to helping others.
他倾向于在帮助他人时 **公开展示自己的情感**。
idiom

To break ground

开始一个新的项目或倡议。
Meaning
To begin a new project or initiative.
Example
The company is excited to **break ground** on their new office next month.
公司很高兴下个月在他们的新办公室**破土动工**。
idiom

be thick as thieves

成为非常亲密的朋友
Meaning
to be very close friends
Example
Those two have been **thick as thieves** since childhood.
这两个人从小就是**非常亲密的朋友**。
idiom

Dust yourself off

在挫折后恢复并充满信心地继续前进。
Meaning
Recover after a setback and continue with confidence.
Example
He fell short this time, but he’ll **dust himself off** and try again.
这次他失败了，但他会抖落自己，再试一次。
idiom

slow as a snail

在运动或行动中非常慢或懒惰
Meaning
very slow or lazy in movement or action
Example
He walks **slow as a snail** in the morning.
他早上走得**像蜗牛一样慢**。
idiom

take it with a grain of salt

不要完全相信某事
Meaning
to not completely believe something
Example
He tends to exaggerate, so **take his stories with a grain of salt**.
他喜欢夸大其词，所以**听他的故事时要持保留态度**。
idiom

a ray of sunshine

给人带来幸福的人或事
Meaning
someone or something that brings happiness
Example
Her smile is **a ray of sunshine** on a gloomy day.
她的笑容是**阴暗日子里的阳光**。
idiom

buy a lemon

买到有缺陷或无价值的东西
Meaning
to buy something that is defective or worthless
Example
He **bought a lemon** when he got that used car.
当他买到那辆二手车时，他**买了一个柠檬**。
idiom

give someone the benefit of the doubt

即使不确定某人是否诚实，也选择信任他
Meaning
to trust someone even when you are not sure they are honest
Example
I will **give him the benefit of the doubt** this time.
这次我会给他疑点利益。
idiom

see the glass half full

kàn dào yīxiē shìqíng de zhèngmiàn yìmiàn
Meaning
see the positive side of something
Example
Try to **see the glass half full** instead of half empty.
chángshì **kàn bēi guàn bàng fèn** ér bùshì bàn kōng
idiom

war of words

争论或口头冲突
Meaning
an argument or verbal conflict
Example
The two politicians engaged in a **war of words** on TV.
两位政治家在电视上展开了一场**唇枪舌战**。
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

wired differently

以独特或非常规的方式思考或表现
Meaning
to think or behave in a unique or unconventional way
Example
Great innovators are often **wired differently**.
伟大的创新者常常思考不同。
idiom

SEO-friendly

优化以在搜索引擎结果中排名更高
Meaning
optimized to rank higher in search engine results
Example
Make sure your website is **SEO-friendly**.
确保您的网站是**SEO-friendly**。
idiom

No comment

拒绝回答问题
Meaning
Refusing to answer a question
Example
The spokesperson simply said **no comment** to all questions.
发言人对所有问题都说了‘没有评论’。
idiom

when pigs fly

永远不会发生的事情
Meaning
something that will never happen
Example
He'll clean his room **when pigs fly**.
他会在猪会飞的时候打扫他的房间。
idiom

hit the target market

有效地接触目标受众
Meaning
to reach the intended audience effectively
Example
Our ads finally **hit the target market** this quarter.
我们的广告终于在这个季度触及了目标市场。
idiom

lend a listening ear

专心和同情地倾听
Meaning
to listen attentively and sympathetically
Example
Whenever I feel down, she always knows how to **lend a listening ear**.
每当我感到沮丧时，她总是知道如何专心倾听。
idiom

a change of heart

某人的意见或情感的变化
Meaning
a change in one’s opinion or feelings
Example
She had **a change of heart** and decided to stay.
她有了**改变主意**，决定留下来。
idiom

up to speed

拥有最新的信息或完全知情
Meaning
to have the latest information or be fully informed
Example
I’ll get you **up to speed** on the new system tomorrow.
我明天会让你**了解情况**关于新系统。
idiom

fall flat on your face

以令人尴尬的方式彻底失败
Meaning
to fail completely in an embarrassing way
Example
He **fell flat on his face** during his first business attempt.
他在第一次商业尝试中完全失败了。
idiom

a global village

由于科技和通信，世界被视为一个单一的社区
Meaning
the world considered as a single community due to technology and communication
Example
The internet has turned the world into **a global village**.
互联网把世界变成了一个全球村。
idiom

third time lucky

在两次失败之后成功
Meaning
succeeding after two failures
Example
He failed twice, but maybe he’ll be **third time lucky**.
他失败了两次，但也许第三次会成功。
idiom

apple of one’s eye

一个被珍视超过其他人的人
Meaning
someone who is cherished above others
Example
Her little son is the **apple of her eye**.
她的小儿子是她眼中的**苹果**。
idiom

show one's true colors

揭示一个人的真实性格或感情，通常是在隐藏之后
Meaning
to reveal one's true character or feelings, often after a period of hiding them
Example
He finally **showed his true colors** when he volunteered at the charity event.
他在慈善活动中做志愿者时终于展现了他的真实面目。
idiom

The Midas touch

能让做的每件事都成功的能力。
Meaning
The ability to make money or succeed in everything one does.
Example
She seems to have **the Midas touch**—every project she starts becomes a success.
她似乎有米达斯之触——她开始的每个项目都变得很成功。
idiom

burn one’s fingers

因为自己的错误而受苦
Meaning
to suffer because of one’s own mistake
Example
He **burned his fingers** by investing in a risky business.
他因为投资于一个冒险的生意而受到了损失。
idiom

cool off

冷却或冷静
Meaning
to become less hot or less angry
Example
Let the soup **cool off** before serving.
让汤在上桌前冷却。
idiom

in the hot seat

处于困难或不舒服的位置，通常受到公众审视
Meaning
to be in a difficult or uncomfortable position, often with public scrutiny
Example
After the controversy, the mayor was **in the hot seat** for several days.
争议之后，市长几天都处于**炙手可热的位置**。
idiom

a chapter of one’s life

人生中的一个阶段或时期
Meaning
a period or stage in someone’s life
Example
Leaving college was the end of an important **chapter of her life**.
离开大学是她人生中一个重要篇章的结束。
idiom

set the trend

开始一些新事物，其他人开始跟随
Meaning
to start something new that others begin to follow
Example
The company’s campaign **set the trend** for eco-friendly marketing.
公司的活动**引领了趋势**，推动了环保营销。
idiom

take one for the team

为他人的利益做出牺牲
Meaning
to sacrifice for the benefit of others
Example
He **took one for the team** and stayed late to finish the report.
他为团队做出牺牲，直到很晚才完成报告
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

the singularity

一个假设的未来时刻，当人工智能超过人类智能时
Meaning
a hypothetical future point when AI surpasses human intelligence
Example
Some experts believe **the singularity** could change humanity forever.
一些专家认为**奇点**可能永远改变人类
idiom

mark down

降低某物的价格
Meaning
to reduce the price of something
Example
The store **marked down** winter coats in March.
商店在三月**降价**了冬季大衣。
idiom

On the clock

工作中，通常有严格的时间限制或截止日期。
Meaning
Working, often with a strict time limit or deadline.
Example
I’m **on the clock** today, so I can’t waste any time.
我今天**在上班**，所以不能浪费时间。
idiom

break into

成功进入一个新领域或职业
Meaning
to enter a new field or profession successfully
Example
She managed to **break into** the film industry last year.
她去年成功进入了电影行业。
idiom

a clean slate

一个崭新的开始; 有机会重新开始，而不犯以前的错误
Meaning
a fresh start; an opportunity to begin again without past mistakes
Example
He moved to a new city for **a clean slate**.
他为了**全新的开始**搬到了一个新城市。
idiom

get along with

与某人有良好的关系
Meaning
to have a good relationship with someone
Example
I really **get along with** my coworkers.
我真的和我的同事相处得很好。
idiom

in two minds

犹豫不决
Meaning
undecided about something
Example
I'm **in two minds** about accepting the new job offer.
我**犹豫不决**是否接受新的工作邀请。
idiom

in good spirits

心情愉快且充满信心
Meaning
to be cheerful and confident
Example
She was **in good spirits** after her presentation.
她在演讲后心情愉快且充满信心。
idiom

nest egg

为未来储存的钱
Meaning
money saved for the future
Example
They’ve built a small **nest egg** for their retirement.
他们为退休建立了一个小小的 **储蓄**。
idiom

take ownership

对某事承担全部责任
Meaning
to take full responsibility for something
Example
Leaders should **take ownership** of both successes and failures.
领导者应该对成功和失败承担责任。
idiom

drill down into

深入检查某事
Meaning
to examine something in great depth
Example
The analyst will **drill down into** the sales numbers for trends.
分析师将深入分析销售数据，寻找趋势。
idiom

brush up on

提高某人的技能或知识
Meaning
to improve one’s skill or knowledge
Example
She decided to **brush up on** her painting techniques.
她决定提高她的绘画技巧。
idiom

peel off

去除某物，尤其是层，从表面
Meaning
to remove something, especially a layer, from a surface
Example
**Peel off** the label before recycling the jar.
在回收玻璃瓶之前，先撕掉标签。
idiom

on the radar

正在被监视或考虑的某事
Meaning
something that is being monitored or considered
Example
The new scientific theory is now **on the radar** of researchers across the world.
新的科学理论现在已经**在雷达上**，全球的研究人员都在关注。
idiom

wild goose chase

一项无用或绝望的追求
Meaning
a useless or hopeless pursuit
Example
Looking for that document was a **wild goose chase**.
寻找那个文件简直是一个**无用的追逐**。
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

keep things in perspective

通过现实地看待事物保持冷静
Meaning
to stay calm by seeing things realistically
Example
When stressed, try to **keep things in perspective**.
当感到压力时，试着**保持事情的视角**。
idiom

peace talks

旨在结束冲突的谈判
Meaning
negotiations aimed at ending a conflict
Example
The **peace talks** between the two countries lasted for weeks.
两国之间的**和平谈判**持续了数周。
idiom

a black hole

一个地方或情况，事情丢失后再也找不到
Meaning
a place or situation where things are lost, never to be found again
Example
The document I was looking for seems to have disappeared into **a black hole**.
我找的文件似乎已经消失在**黑洞**里了。
idiom

keep your chin up

在困难的情况下保持积极，并且不要失去希望
Meaning
to stay positive and not lose hope in difficult situations
Example
**Keep your chin up**; things will get better soon.
抬起头来；事情很快就会好起来。
idiom

put one's cards on the table

对自己的意图诚实并且开放
Meaning
to be honest and open about one’s intentions
Example
The negotiator decided to **put his cards on the table** to speed up talks.
谈判代表决定将自己的卡片摆到桌面上，以加快谈判进程。
idiom

united we stand, divided we fall

人们在一起工作时更强大
Meaning
people are stronger when they work together
Example
Remember, **united we stand, divided we fall**.
记住，团结我们屹立，分裂我们倒下。
idiom

keep it under wraps

保密某事
Meaning
to keep something secret
Example
We’re trying to **keep it under wraps** until the official announcement.
我们正在努力保密，直到正式公告。
idiom

match made in heaven

完美的浪漫情侣
Meaning
a perfect romantic couple
Example
Everyone says they are a **match made in heaven**.
每个人都说他们是**天作之合**。
idiom

keep a straight face

在有趣的情况下避免笑出声
Meaning
to avoid laughing in a funny situation
Example
It was hard to **keep a straight face** during his silly speech.
在他愚蠢的演讲过程中，很难保持严肃的表情。
idiom

the scoop

独家或轰动的新闻
Meaning
exclusive or sensational news
Example
The journalist got **the scoop** on the celebrity wedding.
记者获得了关于名人婚礼的独家新闻。
idiom

hit the headlines

在新闻中广泛报道
Meaning
to be reported widely in the news
Example
The company's scandal **hit the headlines** immediately.
公司的丑闻 **立即成为头条**。
idiom

pick someone’s brain

向有知识的人请教或征求意见
Meaning
to ask someone knowledgeable for advice or ideas
Example
I’d like to **pick your brain** about this project idea.
我想向你请教一下这个项目的想法。
idiom

dance the night away

在庆祝活动中跳舞很长时间
Meaning
to dance for a long time, especially during a celebration
Example
Everyone **danced the night away** at the wedding reception.
每个人都在婚礼招待会上跳舞了一整夜。
idiom

play it by ear

根据情况发展决定或行动
Meaning
to decide or act as the situation develops
Example
We’ll **play it by ear** and see what happens.
我们将随情况而定，看看会发生什么。
idiom

second childhood

年老时，开始再次像孩子一样行为的时期
Meaning
the time in old age when a person starts behaving like a child again
Example
After retirement, he entered his **second childhood**.
退休后，他进入了他的**第二次童年**。
idiom

talk around something

讨论某事，但不直接涉及
Meaning
to discuss something without addressing it directly
Example
She kept **talking around** the topic instead of answering the question directly.
她继续围绕话题谈论，而不是直接回答问题。
idiom

no such luck

当期望的事情没有发生时使用
Meaning
used when something hoped for did not happen
Example
I hoped to win the lottery, but **no such luck**.
我希望赢得彩票，但**no such luck**。
idiom

smart cookie

聪明而机智的人
Meaning
a clever and intelligent person
Example
Don’t underestimate her—she’s a **smart cookie**.
不要低估她——她是一个**聪明的人**。
idiom

don't count your chickens before they hatch

不要为可能不会发生的事情做计划
Meaning
don't make plans for something that might not happen
Example
You should wait until you get the job offer before you start celebrating. **Don't count your chickens before they hatch**.
你应该等到收到工作邀请再庆祝。不要在鸡蛋孵出小鸡之前就数鸡。
idiom

A true friend is one who stands by you

一个真正的朋友会在你困难的时候陪伴你
Meaning
A true friend will be there for you during difficult times
Example
Even in the worst of times, she proved to be a true friend. **A true friend is one who stands by you**.
即使在最糟糕的时候，她证明了自己是一个真正的朋友。**一个真正的朋友会在你困难的时候陪伴你**。
idiom

iron out the kinks

解决小问题或瑕疵
Meaning
to resolve small problems or imperfections
Example
We’ll **iron out the kinks** before launch day.
我们将在发布日前解决所有小问题。
idiom

out of one’s comfort zone

做一些不熟悉或具有挑战性的事情
Meaning
doing something unfamiliar or challenging
Example
She stepped **out of her comfort zone** to take a new job.
她走出舒适区去接受一份新工作。
idiom

a diplomatic tightrope

一个非常微妙或危险的外交局势
Meaning
a very delicate or risky diplomatic situation
Example
Managing relations with both rivals is a **diplomatic tightrope**.
与两个对手保持关系是一个**外交钢索**。
idiom

Fit like a glove

完美契合。
Meaning
To fit perfectly.
Example
This dress **fits like a glove** on you!
这件裙子**就像手套一样合适**！
idiom

Break like the wind

快速移动或经过；有时带有幽默意味。
Meaning
To move or pass quickly; sometimes used humorously.
Example
He ran **like the wind** to catch the bus.
他像风一样跑去赶公交车。
idiom

SEO (Search Engine Optimization)

提高网站或网页在搜索引擎自然结果中可见度的过程。
Meaning
The process of improving the visibility of a website or web page in a search engine's unpaid results.
Example
To improve our search rankings, we need to focus on **SEO** strategies.
为了提高我们的搜索排名，我们需要专注于**SEO**策略。
idiom

see the light at the end of the tunnel

在长时间困难之后，开始看到改善的迹象
Meaning
to begin to see signs of improvement after a long period of difficulty
Example
After months of effort, we can finally **see the light at the end of the tunnel**.
经过几个月的努力，我们终于能看到**隧道尽头的光亮**。
idiom

That ship has sailed

这个机会已经过去，不能再使用。
Meaning
That opportunity is gone and cannot be used anymore.
Example
I wanted to apply for that job, but **that ship has sailed**.
我想申请那份工作，但**这个机会已经过去了**。
idiom

sour grapes

假装不喜欢你得不到的东西
Meaning
pretending to dislike something you can’t have
Example
His comments about the award being unfair are just **sour grapes**.
他关于奖项不公平的评论只是**酸葡萄**。
idiom

fit as a fiddle

身体非常健康
Meaning
in very good health
Example
My grandfather is 80 but he’s **fit as a fiddle**.
我爷爷八十岁了，但他身体非常健康。
idiom

sitting on the fence

避免站队或做决定
Meaning
to avoid taking sides or making a decision
Example
He is **sitting on the fence** about the new policy.
他对新政策没有表态。
idiom

Boom and bust

一段大繁荣之后紧跟着急剧下降的时期。
Meaning
A period of great prosperity followed by a sharp decline.
Example
The real estate market often experiences **boom and bust** cycles.
房地产市场经常经历**繁荣与萧条**的周期。
idiom

a brush with fame

与名人短暂的相遇或经历
Meaning
a brief encounter or experience with a famous person
Example
During the exhibition, I had **a brush with fame** when I met a renowned painter.
在展览期间，我与一位著名画家见面，算是一次**与名气的擦肩而过**。
idiom

adapt to new surroundings

适应新的环境或情况
Meaning
to adjust to a new environment or situation
Example
After moving to a new city, it took her some time to **adapt to new surroundings**.
搬到新城市后，她花了一些时间才**适应新的环境**。
idiom

pep up

让某人或某物变得更有活力或精力充沛
Meaning
to make someone or something more lively or energetic
Example
A quick walk outside always **peps me up** in the afternoon.
外面快走总是让我下午感觉更有活力。
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

fall in love

对某人产生浪漫的感情
Meaning
to develop romantic feelings for someone
Example
I didn't expect to **fall in love** with her so quickly.
我没想到会这么快就爱上她。
idiom

burned out

因过度工作而完全疲惫
Meaning
completely exhausted or tired due to overwork
Example
After months of overtime, she felt **burned out**.
经过几个月的加班后，她感到筋疲力尽。
idiom

a quick learner

一个学习很快的人
Meaning
someone who learns things fast
Example
She’s a **quick learner** and easily understands new topics.
她是一个**快速学习者**，能够轻松理解新话题。
idiom

an open book

一个容易理解或非常诚实的人
Meaning
someone who is easy to understand or very honest
Example
He’s **an open book**; you can always tell what he’s thinking.
他是一本打开的书；你总能知道他在想什么。
idiom

lose one’s cool

突然生气
Meaning
to suddenly become angry
Example
Try not to **lose your cool** during the argument.
尽量在争论中保持冷静。
idiom

carve out

通过努力创造或获得某物
Meaning
to create or obtain something with effort
Example
She managed to **carve out** time for daily reading.
她成功地为每天阅读挤出了时间。
idiom

model evaluation

评估已训练模型的准确性和性能的过程
Meaning
the process of assessing the accuracy and performance of a trained model
Example
Before deploying the system, we need to perform **model evaluation** to ensure accuracy.
在部署系统之前，我们需要进行**模型评估**以确保准确性。
idiom

walk a fine line

在两个艰难的选择或对立的方面之间保持平衡
Meaning
to balance between two difficult choices or opposing sides
Example
The diplomat had to **walk a fine line** between honesty and tact.
这位外交官不得不在诚实和机智之间**走钢丝**。