When in Rome, do as the Romans do
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idiom

When in Rome, do as the Romans do

适应你所访问地点的习俗
Meaning
Adapt to the customs of the place you are visiting
Example
When traveling abroad, it's wise to **do as the Romans do**.
出国旅行时，最好**做罗马人做的事**。
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

trust one's judgment

相信某人的决策或做出正确选择的能力
Meaning
to believe in someone's decision or ability to make good choices
Example
I always **trust her judgment** when it comes to hiring decisions.
我总是**相信她的判断**，尤其是在招聘决策时
idiom

lazy bones

一个懒人
Meaning
a lazy person
Example
Come on, **lazy bones**, get out of bed!
快点，**懒骨头**，起床！
idiom

hair-raising experience

非常可怕或令人恐惧的事情
Meaning
something very frightening or terrifying
Example
Driving through that storm was a **hair-raising experience**.
穿越那场风暴是一场毛骨悚然的经历。
idiom

separate the wheat from the chaff

区分有价值和无价值的东西
Meaning
to distinguish valuable things from worthless ones
Example
It’s time to **separate the wheat from the chaff** in this project.
现在是时候在这个项目中**将麦子和糠分开**了。
idiom

Barking up the wrong tree

采取错误或被误导的行动方向。
Meaning
To pursue a mistaken or misguided course of action.
Example
If you think I'm guilty, you're **barking up the wrong tree**.
如果你认为我有罪，那你就找错对象了。
idiom

Living beyond one’s means

花费比自己能够负担的更多的钱。
Meaning
Spending more money than one can afford.
Example
Many people get into debt by **living beyond their means**.
许多人因为**生活超出自己能力范围**而陷入债务。
idiom

life of the party

聚会中最活跃和最有娱乐性的人
Meaning
the most lively and entertaining person at a party
Example
Jake is always the **life of the party**.
杰克总是聚会的**life of the party**。
idiom

a trip down memory lane

回忆过去美好的事情
Meaning
to remember pleasant events from the past
Example
Looking through old photos was **a trip down memory lane**.
看着旧照片是一趟回忆之旅。
idiom

slip through the cracks

在系统或流程中被忽视或遗漏
Meaning
to be overlooked or missed in a system or process
Example
Unfortunately, your application **slipped through the cracks** and wasn't reviewed.
不幸的是，你的申请被忽视了，没有被审查。
idiom

throw money down the drain

把钱浪费在无用的事情上
Meaning
to waste money on something useless
Example
Buying that fake brand bag was like **throwing money down the drain**.
买那个假品牌包就像是**把钱扔进排水管**。
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

jumpy as a cat

容易害怕或紧张
Meaning
easily frightened or nervous
Example
He’s been **jumpy as a cat** since the robbery.
自从抢劫之后，他一直非常紧张。
idiom

A team player

在团队中能与他人合作良好的人。
Meaning
Someone who works well with others in a group.
Example
John is **a team player** who always supports his colleagues.
约翰是一个**团队成员**，总是支持他的同事。
idiom

trial and error

通过实验和纠正错误来学习
Meaning
learning through experimenting and correcting mistakes
Example
We developed the product through **trial and error**.
我们通过**试验和错误**开发了这个产品。
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

quote chapter and verse

准确或详细地引用某事
Meaning
to cite something exactly or in great detail
Example
She can **quote chapter and verse** from Shakespeare.
她能准确地引用莎士比亚的句子。
idiom

feel for

对某人有同情心
Meaning
to have sympathy for someone
Example
We really **feel for** anyone stuck in that traffic.
我们真的为任何被困在那个交通中的人感到同情。
idiom

like a kid in a candy store

对许多选择或事物感到非常兴奋和开心
Meaning
very excited and happy about many options or things
Example
He was **like a kid in a candy store** when he saw all the gadgets.
当他看到所有的小玩意时，他**像糖果店里的孩子一样**开心。
idiom

moonlight as

做第二份工作，特别是秘密地或兼职工作
Meaning
to work at a second job, especially secretly or part-time
Example
She decided to **moonlight as** a freelance writer to make extra money.
她决定 **moonlight as** 自由撰稿人，以赚取额外的收入。
idiom

birds of a feather flock together

有相似兴趣或性格的人往往会成为朋友。
Meaning
People who have similar interests or personalities tend to be friends.
Example
John and Mike are always together; well, **birds of a feather flock together**.
约翰和迈克总是在一起；俗话说，物以类聚，人以群分。
idiom

follow your dreams

追求你真正想要的人生
Meaning
to pursue what you truly want in life
Example
He quit his job to **follow his dreams** of becoming a musician.
他辞去了工作，去追随成为音乐家的**梦想**。
idiom

in the footsteps of

跟随某人的例子或职业道路
Meaning
to follow someone’s example or career path
Example
She followed **in the footsteps of** her father, becoming a successful entrepreneur.
她**跟随某人的脚步**，成为了一位成功的企业家。
idiom

to tell you the truth

用于表达诚实或令人惊讶的看法
Meaning
used to introduce an honest or surprising opinion
Example
**To tell you the truth**, I didn’t enjoy the party.
说实话，我并不喜欢那个聚会。
idiom

sweeten the deal

使一个提议更有吸引力
Meaning
to make an offer more attractive
Example
They decided to **sweeten the deal** by offering free shipping.
他们决定通过提供免费送货来**让交易更诱人**。
idiom

in the trenches

深深参与艰难工作或挑战性情境
Meaning
to be deeply involved in hard work or challenging situations
Example
She’s **in the trenches** with the rest of the team, solving problems every day.
她与团队的其他成员一起，**在战壕里**，每天解决问题。
idiom

easy does it

用来告诉某人要小心和耐心
Meaning
used to tell someone to be careful and patient
Example
**Easy does it**, don’t rush the process.
慢慢来，不要着急。
idiom

keep body and soul together

努力生存或幸存
Meaning
to manage to stay alive or survive
Example
He worked day and night just to **keep body and soul together**.
他日夜工作只是为了**活下来**。
idiom

weakest link

系统或小组中最脆弱的部分
Meaning
the most vulnerable part of a system or group
Example
Human error is often the **weakest link** in cybersecurity.
人为错误常常是网络安全中的**最薄弱环节**。
idiom

brush past

轻轻接触并迅速经过某人或某物
Meaning
to move quickly by someone or something with slight contact
Example
He **brushed past** the reporters without stopping.
他**轻轻地擦过**记者们没有停下来。
idiom

time's up

某事或某人的时间已经结束
Meaning
the time for something or someone has ended
Example
You have to finish the test now. **Time's up**!
你现在必须完成测试。时间到了！
idiom

on the bench

在法庭上担任法官
Meaning
serving as a judge in a court
Example
She spent 20 years **on the bench** before retiring.
她在退休之前作为法官工作了20年。
idiom

That’s for sure

用于强烈确认同意
Meaning
Used to strongly confirm agreement
Example
He’s a great leader — **that’s for sure**.
他是一个伟大的领导者 — 这是真的。
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

take someone under your wing

对某人负责并帮助他们学习
Meaning
to take responsibility for someone and help them learn
Example
He decided to **take me under his wing** and show me how to succeed.
他决定**把我纳入他的翅膀**并向我展示如何成功。
idiom

aim high

设定具有挑战性和雄心的目标
Meaning
to set challenging and ambitious goals
Example
Always **aim high** if you want to achieve greatness.
如果你想取得伟大成就，始终要**志存高远**。
idiom

do good to others

以帮助他人为目标的行为
Meaning
to act in a way that helps other people
Example
It is always a good idea to **do good to others**.
总是做对别人有益的事是一个好主意。
idiom

fail at something

做某事失败
Meaning
to not succeed in doing something
Example
He tried to fix the car, but he **failed at something**.
他试图修理汽车，但他在某些事情上失败了。
idiom

sift out

从混合物中去除不需要的部分
Meaning
to remove unwanted parts from a mix
Example
We need to **sift out** duplicate entries in the list.
我们需要 **sift out** 列表中的重复条目。
idiom

Get the message

理解某人试图表达的意思。
Meaning
To understand what someone is trying to say.
Example
After his silence, she finally **got the message**.
在他的沉默之后，她终于**得到了信息**。
idiom

hold accountable

让某人为他们的行为负责
Meaning
to make someone responsible for their actions
Example
Managers should be **held accountable** for their team's results.
经理应该为他们团队的结果**承担责任**。
idiom

drop a line

给某人发送简短消息或便条
Meaning
to send someone a short message or note
Example
Please **drop me a line** when you arrive safely.
请在你安全到达时给我写一条信息。
idiom

push yourself to the limit

即使困难也要尽最大努力
Meaning
to make maximum effort even when it’s tough
Example
Athletes **push themselves to the limit** to achieve their dreams.
运动员为了实现他们的梦想，将自己推向极限。
idiom

keep your fingers crossed

希望好运
Meaning
to hope for good luck
Example
I am **keeping my fingers crossed** for the exam results.
我为考试结果祈祷好运。
idiom

A nest egg

为将来或退休存下的一笔钱。
Meaning
A sum of money saved for the future or retirement.
Example
He built up a **nest egg** for his children's education.
他为孩子们的教育积攒了一笔储蓄。
idiom

sound bite

在媒体报道中使用的简短且吸引人的引用
Meaning
a short and catchy quote used in media coverage
Example
The politician’s **sound bite** went viral on social media.
政治家的引用在社交媒体上病毒式传播。
idiom

bargain chip

在谈判中用于获得更好交易的有价值的东西
Meaning
something of value used in negotiations to get a better deal
Example
His offer of a longer contract was a strong **bargain chip**.
他提出的更长期合同是一个强有力的 **bargain chip**。
idiom

social proof

其他人的行为对自己行为的影响
Meaning
the influence that other people’s actions have on one’s own behavior
Example
Positive reviews serve as **social proof** for new customers.
正面评论作为新客户的**社交证明**。
idiom

beginner’s luck

对新手的成功
Meaning
success for someone inexperienced
Example
He won his first game — must be **beginner’s luck**.
他赢得了第一场比赛——一定是**新手运气**。
idiom

Fuel the economy

刺激经济增长。
Meaning
To stimulate economic growth.
Example
Government spending can **fuel the economy** during a recession.
政府开支可以在衰退期间**刺激经济**。
idiom

Practice makes perfect

你练习得越多，你就变得越好。
Meaning
The more you practice, the better you become.
Example
**Practice makes perfect**, so keep trying.
熟能生巧，所以继续尝试。
idiom

on the dot

正好准时；守时
Meaning
exactly on time; punctual
Example
The meeting started **on the dot** at 10 a.m.
会议在早上10点**正好准时**开始。
idiom

Golden handshake

离职时给予某人的一笔大额支付，尤其是在提前退休时。
Meaning
A large payment given to someone when they leave a job, especially early retirement.
Example
The CEO received a **golden handshake** when he retired early.
首席执行官在提前退休时获得了一笔丰厚的补偿金。
idiom

on the mend

从疾病或受伤中恢复
Meaning
recovering from an illness or injury
Example
I was sick last week, but I’m **on the mend** now.
我上周生病了，但现在正在恢复中。
idiom

strike a chord

引起某人同情或情感
Meaning
to cause someone to feel sympathy or emotion
Example
Her story **struck a chord** with the audience.
她的故事**触动了观众的心弦**。
idiom

put one's foot in one's mouth

说一些尴尬或不合适的话
Meaning
to say something embarrassing or inappropriate
Example
He really **put his foot in his mouth** when he mentioned her ex-boyfriend.
当他提到她的前男友时，他真的是把脚放进了嘴里。
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

love is blind

恋爱中的人看不到对方的缺点
Meaning
people in love do not see each other's faults
Example
They say **love is blind**, and he proves it every day.
他们说**爱情是盲目的**，他每天都在证明这一点。
idiom

act the part

以符合特定角色或情境的方式行事
Meaning
to behave in a way that fits a particular role or situation
Example
If you want to be treated like a leader, you need to **act the part**.
如果你想像一个领导者一样被对待，你需要**扮演角色**。
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

get the hang of it

学习或掌握某件新事物
Meaning
to learn or become skilled at something new
Example
Don’t worry, you’ll **get the hang of it** soon.
别担心，你很快就能 **掌握它**。
idiom

make up for

弥补某事
Meaning
to compensate for something
Example
We’ll **make up for** the delay with extra support.
我们会用额外的支持来弥补延迟。
idiom

fall in with

加入或同意一个小组或计划
Meaning
to join or agree with a group or plan
Example
She decided to **fall in with** the volunteer crew for the weekend.
她决定加入志愿者团队度过周末。
idiom

green with envy

非常嫉妒
Meaning
very jealous
Example
She was **green with envy** when she saw my new phone.
她看到我的新手机时，**非常嫉妒**。
idiom

sweet tooth

对甜食的喜爱
Meaning
a love for sweet foods
Example
She has a **sweet tooth** and can’t resist desserts.
她有一个**甜食癖**，无法抗拒甜点。
idiom

play to the gallery

试图获得大众的认同，而不是专家的认同
Meaning
to try to gain approval from the general public rather than experts
Example
The politician was clearly **playing to the gallery** with his speech.
政治家显然在用他的演讲**取悦观众**。
idiom

hit the panic button

对问题反应过快或过于紧张
Meaning
to react too quickly or nervously to a problem
Example
Don’t **hit the panic button** just because the server is down.
别因为服务器宕机就**慌张起来**。
idiom

artificial instinct

机器做出看似自然或类似人类的决策的能力
Meaning
a machine’s ability to make decisions that seem natural or human-like
Example
The new model shows a kind of **artificial instinct** while driving.
新模型在驾驶时展示了一种**人工本能**。
idiom

a masterpiece in the making

具有成为杰出的巨大潜力的事物
Meaning
something that has great potential to become exceptional
Example
Her new sculpture is **a masterpiece in the making**.
她的新雕塑是**一个正在酝酿的杰作**。
idiom

in one ear and out the other

对所说的话不加注意
Meaning
to not pay attention to what is said
Example
Whatever I tell him goes **in one ear and out the other**.
无论我对他说什么，都左耳进右耳出。
idiom

on the same playing field

在相同的条件下或具有相等的机会
Meaning
in the same conditions or with equal chances
Example
We’re now **on the same playing field** as our competitors.
我们现在与我们的竞争对手站在同一起跑线上。
idiom

To go the extra mile

付出比预期更多的努力
Meaning
To put in more effort than is expected
Example
He always goes the extra mile to help his friends.
他总是付出额外的努力去帮助他的朋友。
idiom

out of orbit

失去控制; 偏离常规路线
Meaning
beyond control; off the usual path
Example
The project went **out of orbit** after the manager left.
项目在经理离开后**离轨**了。
idiom

to hit the books

努力学习
Meaning
to study intensely
Example
I need to **hit the books** if I want to pass the exam.
如果我想通过考试，我需要**打书**。
idiom

put on a brave face

当你并不自信或高兴时，装作自信或高兴
Meaning
to pretend to be confident or happy when you are not
Example
She **put on a brave face** even after hearing the bad news.
即使听到坏消息，她还是**装作自信**。
idiom

a shot in the arm

给人鼓励或能量的东西
Meaning
something that gives encouragement or energy
Example
The new funding was **a real shot in the arm** for the project.
新的资金对项目来说是**真正的强心针**。
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

A watched pot never boils

当你等待某事时，时间感觉更长。
Meaning
Time feels longer when you are waiting for something.
Example
Don't keep looking at the clock; **a watched pot never boils**.
不要一直看着钟；**被盯着的壶永远不会开**。
idiom

old friend

你认识很久的朋友
Meaning
a friend you have known for a long time
Example
I met an **old friend** from college yesterday.
我昨天遇到了一个大学的老朋友。
idiom

pay attention to

注意某事或认真倾听
Meaning
to listen carefully or give thought to something
Example
You should **pay attention to** the details of the project.
你应该**注意**项目的细节。
idiom

Economic backbone

经济中最重要的部分。
Meaning
The most important part of the economy.
Example
Small businesses are the **economic backbone** of the nation.
小企业是国家的**经济支柱**。
idiom

a political hot potato

一个有争议或敏感的政治问题
Meaning
a controversial or sensitive political issue
Example
Immigration has become **a political hot potato** in the country.
移民问题已成为该国的**政治烫手山芋**。
idiom

break the bank

花费太多钱；把所有的钱都用光
Meaning
to cost too much; to use up all your money
Example
Buying that car will **break the bank**.
买那辆车会让你**倾家荡产**。
idiom

overnight success

一个人或物品非常快速地变得成功
Meaning
a person or thing that becomes successful very quickly
Example
Her first song made her an **overnight success**.
她的第一首歌让她成为了**一夜成名**。
idiom

get the word out

传播信息或让某事广为人知
Meaning
to spread information or make something widely known
Example
We need to **get the word out** about our new service.
我们需要**宣传**我们的新服务。
idiom

Go to pieces

失去对情绪的控制；崩溃。
Meaning
To lose control of your emotions; to break down.
Example
She **went to pieces** after hearing the bad news.
她在听到坏消息后**崩溃了**。
idiom

To have a heart of gold

非常善良和慷慨
Meaning
To be very kind and generous
Example
She has a heart of gold, always helping those in need.
她有一颗金子般的心，总是帮助有需要的人。
idiom

flash of genius

一个突然的杰出想法或解决方案
Meaning
a sudden brilliant idea or solution
Example
Her idea for the new logo was a real **flash of genius**.
她为新logo的创意真的是一个真正的**闪光的天才**。
idiom

to have a clean bill of health

被医生宣布身体健康
Meaning
to be declared healthy by a doctor
Example
After the checkup, she got **a clean bill of health**.
体检后，她被医生宣布身体健康。
idiom

blossom into something

随着时间的推移发展或变得成功
Meaning
to develop or become successful over time
Example
She **blossomed into** a confident and skilled leader.
她变成了一个自信且熟练的领导者。
idiom

written in the stars

注定会发生；命运注定
Meaning
destined to happen; fated
Example
They believe their meeting was **written in the stars**.
他们相信他们的相遇是**命中注定的**。
idiom

meet and greet

一个人们相遇并相互介绍的活动
Meaning
an event where people meet and introduce themselves
Example
The company organized a **meet and greet** for new employees.
公司为新员工组织了一个欢迎活动。
idiom

do without

即使缺少某物，也能应付
Meaning
to manage even when something is missing
Example
We’ll **do without** a projector and use prints instead.
我们将**没有**投影仪并改用打印件。
idiom

predictive analytics

使用数据和统计算法来预测未来的结果
Meaning
using data and statistical algorithms to forecast future outcomes
Example
With **predictive analytics**, we can forecast market trends with high accuracy.
通过**预测分析**，我们可以高精度地预测市场趋势。
idiom

fake it till you make it

在你真正自信之前，先表现得像一个自信的人。
Meaning
to act confidently until you actually feel confident
Example
**Fake it till you make it**—confidence will follow.
“假装自信，直到你真的自信”——自信会随之而来。
idiom

Put your best foot forward

尽全力
Meaning
to try as hard as you can
Example
She **put her best foot forward** in the interview.
她在面试中**尽最大努力**。
idiom

the elephant in the room

一个显而易见但没人想讨论的问题
Meaning
an obvious problem that no one wants to discuss
Example
Nobody wants to address **the elephant in the room**.
没有人想讨论房间里的大象。
idiom

olive branch

和平或和解的姿态
Meaning
a gesture of peace or reconciliation
Example
The president extended an **olive branch** by inviting his rival to the summit.
总统通过邀请他的对手参加峰会来伸出**橄榄枝**。
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

sweet talk someone

用奉承或迷人的方式让某人做某事
Meaning
to flatter or charm someone into doing something
Example
He **sweet talked** his way into getting a discount.
他用甜言蜜语成功获得了折扣。
idiom

bear in mind

记住或考虑某事
Meaning
to remember or consider something
Example
**Bear in mind** that traffic will be heavy at that time.
请记住，那时交通会很拥挤。
idiom

Keep a cool head

保持冷静，不要过于情绪化
Meaning
to remain calm and not get too emotional
Example
In a crisis, it's important to **keep a cool head**.
在危机中，保持冷静非常重要。
idiom

fit for a king

非常高质量或奢华的东西
Meaning
something of very high quality or luxurious
Example
The dinner was **fit for a king**.
晚餐堪称国王的标准。
idiom

hold onto

保留某物的所有权
Meaning
to keep possession of something
Example
Hold onto your receipts until the refund clears.
保留你的收据，直到退款清算。
idiom

on all fours

用手和膝盖爬行
Meaning
crawling on hands and knees
Example
The baby moved **on all fours** across the floor.
宝宝**四肢着地**在地板上爬行。
idiom

pull an all-nighter

彻夜不眠学习或工作
Meaning
to stay awake all night to study or work
Example
I had to **pull an all-nighter** to finish my assignment.
我必须**彻夜不眠**完成我的作业。
idiom

the honest truth

绝对和完整的真相
Meaning
the absolute and complete truth
Example
To tell you **the honest truth**, I didn’t enjoy the trip.
老实告诉你，我并没有享受那次旅行。
idiom

on the go

总是忙碌或活跃；经常旅行
Meaning
always busy or active; traveling a lot
Example
She's always **on the go** with her work trips.
她总是忙于工作旅行。
idiom

kiss and make up

吵架后重新和好
Meaning
to become friends again after an argument
Example
They always **kiss and make up** after every fight.
他们每次吵架后都会和好。
idiom

pumped up

充满活力和兴奋
Meaning
full of energy and excitement
Example
He was **pumped up** before the big presentation.
在大演示之前，他充满了激动。
idiom

to blow it

因错误而错失机会或机会
Meaning
to ruin a chance or opportunity by mistake
Example
He **blew it** by arriving late to the interview.
他因迟到错失了机会。
idiom

security blanket

让人有安全感或安慰的东西
Meaning
something that gives a sense of safety or comfort
Example
Using a strong password manager is my **security blanket** online.
使用强密码管理器是我在网上的**安全毯**。
idiom

phishing for information

通过伪装成可信的实体来获取敏感信息的尝试
Meaning
attempting to obtain sensitive information by disguising oneself as a trustworthy entity
Example
He was **phishing for information** by pretending to be from the bank.
他通过假装是银行的工作人员来**钓鱼获取信息**。
idiom

Handed down

把某物传给或留给更年轻的人或来自前一代的人
Meaning
To give or leave something to someone younger or from a previous generation
Example
This antique watch was **handed down** to me from my grandfather.
这只古老的手表是我爷爷从他那里**handed down**给我的。
idiom

train a model

使用数据训练一个人工智能模型，以进行预测或做出决策
Meaning
to teach an AI model using data to make predictions or decisions
Example
We need to **train a model** on the new dataset before running predictions.
我们需要在新数据集上**训练一个模型**，然后再进行预测。
idiom

against the clock

尽可能快地做某事，因为时间有限
Meaning
to do something as fast as possible because time is limited
Example
We were working **against the clock** to finish the project on time.
我们正在与时间赛跑，以便按时完成项目。
idiom

under oath

在法庭上发誓说真话
Meaning
having sworn to tell the truth in court
Example
He lied **under oath** and was charged with perjury.
他在 **宣誓** 后撒谎，并被控伪证罪。
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

catch someone red-handed

当某人做错事时把他抓住
Meaning
to catch someone in the act of doing something wrong
Example
The police **caught him red-handed** as he was stealing from the store.
警察**当场抓住了他**，当时他正在商店偷东西。
idiom

engagement rate

衡量人们与在线内容互动的活跃程度
Meaning
a measure of how actively people interact with online content
Example
Our **engagement rate** doubled after using video posts.
使用视频帖子后，我们的互动率翻倍了。