the big bang
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idiom

the big bang

一个突如其来的强大开始；通常用于隐喻
Meaning
a sudden and powerful beginning; often used metaphorically
Example
The startup launched with **a big bang** in the tech world.
这家初创公司在科技界以**大爆炸**的方式推出。
idiom

be a good sport

在困难的情况下保持公平和积极
Meaning
to be fair and positive in difficult situations
Example
Even when she lost the game, she was **a good sport** and congratulated the winner.
即使她输了比赛，她还是一个好运动员，祝贺了获胜者。
idiom

you’ve got this

安慰某人，告诉他们可以应对某个情况
Meaning
to reassure someone that they can handle a situation
Example
Don’t worry about the presentation—**you’ve got this**!
不用担心演讲—**你搞定了**！
idiom

to serve justice

确保公平或惩罚得到适当的施加
Meaning
to ensure that fairness or punishment is properly given
Example
The court’s decision **served justice** for the victims.
法院的判决**为受害者提供了公正**。
idiom

drop in the ocean

与所需的量相比，非常小或微不足道的数量
Meaning
a very small or insignificant amount compared to what is needed
Example
Our recycling efforts are just a **drop in the ocean** compared to the global pollution problem.
与全球污染问题相比，我们的回收努力只是**海洋中的一滴水**。
idiom

follow suit

做与他人相同的事，尤其是在网上
Meaning
to do the same thing as someone else, especially online
Example
After one influencer started the trend, many others **followed suit**.
一个网红开始了这个趋势后，许多其他人也跟着做了。
idiom

open a Pandora’s box

开始某些会引发许多意外问题的事情
Meaning
to start something that causes many unexpected problems
Example
Unregulated AI development may **open a Pandora’s box** of ethical issues.
未受监管的人工智能开发可能会打开潘多拉的盒子，带来道德问题。
idiom

The unexamined life is not worth living

没有自我反思或自我分析的生活并不是真正充实或有意义的。
Meaning
A life lived without introspection or self-reflection is not truly fulfilling or meaningful.
Example
Socrates' belief that **the unexamined life is not worth living** continues to inspire those seeking a deeper understanding of existence.
苏格拉底的信念认为**未经审视的生活不值得活**，继续激励那些寻求对存在更深理解的人。
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

just what the doctor ordered

正是需要或想要的
Meaning
exactly what is needed or wanted
Example
A cup of tea was **just what the doctor ordered**.
一杯茶正是需要的。
idiom

heart in one’s mouth

感到极度的恐惧或焦虑
Meaning
to feel extreme fear or anxiety
Example
My **heart was in my mouth** as I waited for the results.
当我等待结果时，我的**心提到了嗓子眼**。
idiom

in the spotlight

接受公众关注
Meaning
receiving public attention
Example
After the award, she’s been **in the spotlight** constantly.
获奖后，她一直处于**聚光灯下**。
idiom

as thick as thieves

成为非常亲密的朋友，共享秘密。
Meaning
To be very close friends who share secrets.
Example
Lisa and Nora are **as thick as thieves** since childhood.
丽莎和诺拉从小就是非常亲密的朋友。
idiom

spur on

鼓励某人继续或更加努力
Meaning
to encourage someone to continue or try harder
Example
Her mentor’s feedback **spurred her on** to apply for the grant.
她导师的反馈**激励她**申请这个奖学金。
B2 idiom

up in the air

不确定或未决定
Meaning
Uncertain or undecided
Example
The plans for the project are still up in the air.
这个项目的计划仍悬而未决。
idiom

pay off

经过努力后取得良好的结果
Meaning
to yield good results after effort
Example
All those late nights finally **paid off** during the launch.
所有那些熬夜终于在发布时得到回报。
idiom

bounce back from

在挫折后迅速恢复
Meaning
to recover quickly after a setback
Example
The team needs to **bounce back from** last week's loss.
队伍需要从上周的失利中迅速恢复。
idiom

hear someone out

听某人说话，直到他讲完
Meaning
to listen to someone until they have finished speaking
Example
Please **hear me out** before you make a decision.
请在做决定之前**听我说完**。
idiom

take a chill pill

冷静下来或放松；不要过度反应
Meaning
to calm down or relax; to not overreact
Example
Hey, **take a chill pill**! It’s not that serious.
嘿，**冷静点吧**！没那么严重。
idiom

believe in yourself

相信自己
Meaning
to have confidence in your own abilities
Example
**Believe in yourself** and you can achieve anything.
**相信自己**，你就能实现任何事情。
idiom

cut a deal

迅速达成商业协议
Meaning
to reach a business agreement quickly
Example
They **cut a deal** to save both companies money.
他们**达成了协议**，为两家公司节省资金。
idiom

in orbit

处于极度兴奋或活跃的状态
Meaning
in a state of great excitement or activity
Example
The team was **in orbit** after the big win.
在大胜之后，团队处于**在轨道上**。
idiom

keep an eye on someone

仔细观察某人，因为你不完全信任他们
Meaning
to watch someone carefully because you don’t trust them completely
Example
I’ll **keep an eye on him** while you’re away.
当你不在时，我会**盯着他**。
idiom

opt out of

选择不参加某事
Meaning
to choose not to participate in something
Example
You can **opt out of** the newsletter at any time.
你可以随时取消订阅这个通讯。
idiom

hit a snag

遇到意外问题或障碍
Meaning
to face an unexpected problem or obstacle
Example
The project **hit a snag** when the server went down.
当服务器宕机时，项目**hit a snag**。
idiom

talk the same language

拥有相似的想法和理解
Meaning
to have similar ideas and understanding
Example
We get along because we **talk the same language**.
我们相处得很好，因为我们讲同一种语言。
idiom

tighten the belt

减少开支；因为经济困难而节省开销
Meaning
to reduce spending; to save money due to financial constraints
Example
In tough economic times, businesses must **tighten the belt** to survive.
在经济困难时期，公司必须勒紧裤腰带以维持生存。
idiom

ahead of the game

有优势或做好充分准备
Meaning
to have an advantage or be well prepared
Example
She’s always **ahead of the game** with her planning.
她在计划方面总是领先一步。
idiom

full swing

在活动或兴奋的巅峰
Meaning
at the peak of activity or excitement
Example
The party was in **full swing** when we arrived.
当我们到达时，派对正如火如荼。
idiom

Hold your head high

即使失败或困难之后，也要保持自信和自豪。
Meaning
To be proud and confident even after failure or hardship.
Example
Even after losing, she **held her head high**.
即使输了，她也昂首挺胸。
idiom

the conversion funnel

客户从意识到购买的过程
Meaning
the process customers go through from awareness to purchase
Example
We need to analyze where people drop off in **the conversion funnel**.
我们需要分析人们在**转化漏斗**中掉队的地方。
idiom

big brother

一个哥哥或一个表现得具有保护性的人
Meaning
an older brother or someone who behaves protectively
Example
Mark acts like a **big brother** to everyone in the neighborhood.
马克对邻里里的每个人都像**大哥哥**一样。
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

on the money

完全正确或准确
Meaning
exactly correct or accurate
Example
His prediction about the stock was **on the money**.
他对股票的预测是 **on the money**。
idiom

machine learning to the rescue

使用机器学习算法来解决人类难以处理的复杂问题
Meaning
using machine learning algorithms to solve complex problems that humans can't easily handle
Example
When the data was too large for traditional methods, **machine learning to the rescue** helped us find patterns.
当数据对传统方法来说太大时，**machine learning to the rescue** 帮助我们找到模式。
idiom

at the back of one's mind

一个人没有积极地去想但仍然意识到的事情
Meaning
something that one is not actively thinking about but is still aware of
Example
The fear of failure was always **at the back of his mind**.
对失败的恐惧总是在他的脑海深处。
idiom

to take the law into one’s own hands

亲自惩罚某人而不是让当局处理
Meaning
to punish someone personally instead of letting the authorities handle it
Example
The villagers **took the law into their own hands** when the thief escaped.
当小偷逃跑时，村民们**自行伸张正义**。
idiom

Bring peace to

在某种情况下恢复平静或安宁。
Meaning
To restore calm or tranquility in a situation.
Example
Her kind words helped **bring peace to** the argument.
她的好话帮助**带来了平和**的争论。
idiom

law of the jungle

强者生存；缺乏秩序或法律
Meaning
survival of the strongest; lack of order or law
Example
In war, the **law of the jungle** often applies.
在战争中，**丛林法则**常常适用。
idiom

trendsetter

在时尚、科技或其他流行领域中引领潮流的人，为其他人设置趋势
Meaning
someone who leads the way in fashion, technology, or other popular areas, setting trends for others to follow
Example
The company became a **trendsetter** in the tech world with its innovative new app.
这家公司通过其创新的应用程序成为了科技界的**潮流引领者**。
idiom

gear down

减慢活动的速度
Meaning
to slow the pace of activity
Example
We can **gear down** after the product launch is stable.
我们可以在产品发布稳定后**gear down**。
idiom

Supply and demand

某物的可用量和人们想要它的程度之间的关系。
Meaning
The relationship between how much of something is available and how much people want it.
Example
The price of oil depends largely on **supply and demand**.
石油的价格在很大程度上取决于**供求关系**。
idiom

turn a corner

在困难时期之后开始改善
Meaning
to begin to improve after a difficult period
Example
Things started to **turn a corner** after the new management took over.
在新管理接管后，情况开始**好转**。
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

All hands on deck

每个人都必须一起工作或帮助完成任务。
Meaning
Everyone must work together or help with a task.
Example
We need **all hands on deck** to finish this project by tomorrow.
我们需要 **所有人一起行动** 来在明天之前完成这个项目。
idiom

lost for words

哑口无言，因惊讶或震惊而无法说话
Meaning
unable to speak because of surprise or shock
Example
I was **lost for words** when I saw the results.
当我看到结果时，我无言以对。
idiom

shocked to the core

深受震惊或扰乱
Meaning
deeply shocked or disturbed
Example
Everyone was **shocked to the core** by the tragedy.
每个人都被悲剧深深震惊。
idiom

wise up

意识到或了解某事
Meaning
to become aware or informed about something
Example
It’s time to **wise up** and start saving money.
是时候醒悟并开始存钱了。
idiom

bail someone out

帮助某人摆脱困境
Meaning
to help someone out of a difficult situation
Example
His friend **bailed him out** when he ran out of money.
他的朋友在他没钱时**救了他**。
idiom

ring a bell with someone

听起来熟悉或让某人想起某事
Meaning
to sound familiar or remind someone of something
Example
That name doesn't **ring a bell with** me at all.
那个名字对我一点印象都没有。
idiom

addiction to something

强烈且有害的做某事或使用某物的需求
Meaning
a strong and harmful need to do or use something
Example
He is struggling with his **addiction to smoking**.
他在与他的**吸烟成瘾**作斗争。
idiom

good things come to those who wait

耐心会带来好的结果
Meaning
patience brings positive results
Example
**Good things come to those who wait**, so be patient.
**好事会降临到那些懂得等待的人身上**，所以要有耐心。
idiom

the lights are on but nobody’s home

某人看起来活跃，但思维不清晰
Meaning
someone appears active but is not thinking clearly
Example
When the AI glitched, it was like **the lights were on but nobody’s home**.
当AI发生故障时，就像是**灯亮着，但家里没有人**。
idiom

above board

诚实合法; 没有欺骗
Meaning
honest and legal; without deceit
Example
Their business deal was completely **above board**.
他们的商业交易完全是**诚实合法**的。
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

break the clutter

在拥挤或竞争激烈的市场中脱颖而出
Meaning
to stand out in a crowded or competitive market
Example
A good tagline can help a brand **break the clutter**.
一个好的标语可以帮助品牌在混乱中脱颖而出。
idiom

Keep someone posted

让某人了解某事。
Meaning
To keep someone informed about something.
Example
Please **keep me posted** about any updates.
请**保持我更新**任何最新的进展。
idiom

Get traction

开始在市场中获得关注或成功。
Meaning
To start gaining attention or success in the market.
Example
The new app is starting to **get traction** among users.
新应用正在开始在用户中**获得 traction**。
idiom

all work and no play

一个只工作的人变得无聊且单调
Meaning
a person who only works becomes dull and boring
Example
**All work and no play** makes Jack a dull boy.
所有工作和没有游戏让杰克变得无聊。
idiom

push the algorithm

测试人工智能系统的极限或性能
Meaning
to test the limits or performance of an AI system
Example
The engineers wanted to **push the algorithm** further to improve accuracy.
工程师们希望将**推算法**推进，以提高准确性。
idiom

out of the blue

出乎意料或没有预警
Meaning
unexpectedly or without warning
Example
My old friend called me **out of the blue** after ten years.
我十年后**突然**接到了老朋友的电话。
idiom

a stepping stone

帮助人进步的事件或经验
Meaning
an event or experience that helps one to progress
Example
This internship was **a stepping stone** to my career.
这次实习是我职业生涯的垫脚石。
idiom

a bitter pill to swallow

一个难以接受的不愉快事实或情况
Meaning
an unpleasant fact or situation to accept
Example
Losing the championship was **a bitter pill to swallow** for the team.
输掉冠军对团队来说是一个难以接受的事实。
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

backroom deal

由有权势的人达成的秘密协议
Meaning
a secret agreement made by powerful people
Example
The media exposed the **backroom deal** between the two parties.
媒体揭露了两方之间的**秘密协议**。
idiom

post something

在社交媒体平台上分享内容
Meaning
to share content on a social media platform
Example
She **posted** a beautiful picture on Instagram.
她在Instagram上发布了一张漂亮的照片。
idiom

Money doesn't grow on trees

钱是有限的，必须通过努力赚取；并不容易得到。
Meaning
Money is limited and must be earned; not easy to get.
Example
You should save more—**money doesn’t grow on trees**.
你应该存更多的钱—**钱不是从树上长出来的**。
idiom

find your feet

在新环境中感到舒适
Meaning
to become comfortable in a new situation
Example
It took a few months for him to **find his feet** in the new city.
他花了几个月才在新城市站稳脚跟。
idiom

black box thinking

黑箱思维：通过研究输入和输出分析未知的过程
Meaning
analyzing unknown processes by studying their inputs and outputs
Example
In AI research, **black box thinking** helps improve transparency.
在AI研究中，**黑箱思维**有助于提高透明度。
idiom

jump the shark

当某事物的质量或受欢迎程度开始下降时
Meaning
when something begins to decline in quality or popularity
Example
The show **jumped the shark** after season five.
这个节目在第五季之后**跳过了鲨鱼**。
idiom

weigh the pros and cons

在做决定之前考虑优缺点
Meaning
to consider the advantages and disadvantages before making a choice
Example
You should **weigh the pros and cons** before quitting your job.
在辞掉工作之前你应该**权衡利弊**。
idiom

Burn the bridges

摧毁返回先前情况的可能性
Meaning
to destroy the possibility of returning to a previous situation
Example
Once he left the company, he decided to **burn the bridges** and not look back.
一旦他离开了公司，他决定 **burn the bridges** 并且不回头看。
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

Go for it

自信地去尝试实现某事。
Meaning
To try to achieve something with confidence.
Example
If you really want that job, **go for it**!
如果你真的想要那份工作，就去争取吧！
idiom

above the law

不受法律约束；认为自己无法被规则触及
Meaning
not subject to the law; thinking one is untouchable by rules
Example
Some powerful people act as if they are **above the law**.
一些有权势的人表现得像他们 **高于法律**。
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

toe the party line

遵循自己政治党的官方政策或意见
Meaning
to follow the official policies or opinions of one’s political party
Example
Members of parliament are expected to **toe the party line** during the vote.
预计议会成员在投票时会遵循党派的立场。
idiom

smooth things over

通过冷静处理让糟糕的情况看起来更好
Meaning
to make a bad situation seem better by dealing with it calmly
Example
She tried to **smooth things over** after their disagreement.
她试图在争执后缓和局面。
idiom

rags to riches

从贫穷到富有和成功
Meaning
to go from being poor to becoming rich and successful
Example
His life story is a real **rags to riches** tale.
他的生活故事是真正的从贫穷到富有的故事。
idiom

Exactly!

用于强烈表示同意
Meaning
Used to strongly show agreement
Example
‘It’s time to move on.’ ‘**Exactly!**’
“该前进了。” “没错！”
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。
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

think on your feet

在压力下做出快速决策或想法
Meaning
to make quick decisions or ideas under pressure
Example
Good leaders can **think on their feet**.
优秀的领导者能够**随机应变**。
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

to strike it rich

突然变得非常富有
Meaning
to suddenly become very wealthy
Example
He **struck it rich** by investing in early-stage tech companies.
他通过投资初创科技公司突然变得非常富有。
idiom

dial in

远程连接到会议或电话
Meaning
to connect to a meeting or call remotely
Example
I’ll **dial in** from the airport lounge.
我会从机场休息室连线。
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

get the picture

理解情况
Meaning
to understand the situation
Example
After a few minutes, I started to **get the picture**.
几分钟后，我开始理解情况。
idiom

a shoulder to lean on

给予你支持和安慰的人
Meaning
someone to give you support and comfort
Example
She’s always been **a shoulder to lean on** for me.
她一直是我可以依靠的**肩膀**。
idiom

spread kindness like wildfire

迅速且不受控制地传播善意
Meaning
to spread kindness rapidly and uncontrollably
Example
Her acts of kindness **spread like wildfire** in the community.
她的善行在社区中**像野火一样蔓延**。
idiom

kick the habit

停止做坏事或有成瘾性的事情
Meaning
to stop doing something bad or addictive
Example
After ten years of smoking, he finally **kicked the habit**.
吸烟十年后，他终于戒掉了这个习惯。
idiom

have your jaw drop

极度惊讶或震惊
Meaning
to be extremely surprised or shocked
Example
My **jaw dropped** when I saw the price.
看到价格时，我惊呆了。
idiom

kick up a fuss

对某事进行大规模的抱怨或抗议
Meaning
to make a big complaint or protest about something
Example
They **kicked up a fuss** when the restaurant ran out of food.
当餐厅的食物卖完时，他们大声抱怨起来。
idiom

justice delayed is justice denied

如果法律救济可用但未及时提供，就等同于没有救济
Meaning
if legal redress is available but not delivered in time, it is as good as having none
Example
Many believe that **justice delayed is justice denied** in this country.
许多人相信在这个国家，**延迟的正义就是被否定的正义**。
idiom

veer off

突然改变方向
Meaning
to suddenly change direction
Example
The conversation **veered off** into weekend plans.
谈话**突然转向**了周末的计划。
idiom

a blank page

一个新的开始; 一个重新开始的机会
Meaning
a new beginning; an opportunity to start fresh
Example
After graduation, she saw her life as **a blank page** waiting to be written.
毕业后，她把自己的生活看作**空白页面**，等待着被书写。
idiom

going viral

在互联网或社交媒体上迅速变得非常受欢迎
Meaning
to become very popular very quickly on the internet or social media
Example
The video of the cat dancing has **gone viral** and everyone is talking about it.
那只跳舞的猫的视频已经**病毒式传播**，每个人都在谈论它。
idiom

keep a low profile

避免引起注意；保持冷静和不被注意
Meaning
to avoid attracting attention; to stay calm and unnoticed
Example
After the controversy, he decided to **keep a low profile**.
在争议之后，他决定保持低调。
idiom

a peaceful resolution

一个平静地解决冲突的方案
Meaning
a solution that resolves a conflict calmly
Example
They reached **a peaceful resolution** after several discussions.
经过几次讨论，他们达成了**和平解决方案**。
idiom

on the cutting block

被考虑为淘汰或停止
Meaning
being considered for elimination or discontinuation
Example
Due to budget cuts, several research projects are now **on the cutting block**.
由于预算削减，几个研究项目现在处于被淘汰的边缘。
idiom

keep up with

保持与某事或某人相同的水平或保持知情
Meaning
to stay informed or at the same level as something or someone
Example
It's hard to **keep up with** the latest tech trends.
很难跟上最新的科技趋势。
idiom

One step at a time

逐渐处理任务，而不是一次完成所有的任务。
Meaning
Handle tasks gradually and not all at once.
Example
Don't stress, just take **one step at a time**.
别担心，只需**一步一步来**。
idiom

jump to conclusions

草率地下结论
Meaning
to make a decision without enough information
Example
Don’t **jump to conclusions** before hearing the whole story.
在听完整个故事之前，不要**草率地下结论**。
idiom

talk nineteen to the dozen

说话非常快而且不停
Meaning
to talk very quickly and without stopping
Example
Once she starts, she **talks nineteen to the dozen**.
她一开始就**不停地说话**。
idiom

Put one's nose to the grindstone

专注于艰苦工作和持续的努力。
Meaning
To focus on hard work and continuous effort.
Example
She really had to **put her nose to the grindstone** to get the promotion.
她真的必须把鼻子放在磨刀石上才能得到晋升。
idiom

the cutting edge

某物中最先进或创新的部分
Meaning
the most advanced or innovative part of something
Example
This new design is at **the cutting edge** of architecture.
这个新设计处于建筑学的**最前沿**。
idiom

kick the bucket

死（非正式）
Meaning
to die (informal)
Example
He finally **kicked the bucket** after a long illness.
他终于在长时间的疾病后**去世了**。
idiom

how do you do

一种正式的问候语，用于第一次见面时
Meaning
a formal greeting used when meeting someone for the first time
Example
**How do you do?** It’s a pleasure to meet you.
**你好吗？** 很高兴见到你。
idiom

get ahead of the game

比其他人更成功或更先进
Meaning
to be more successful or advanced than others
Example
He’s always looking for new ideas to **get ahead of the game**.
他总是寻找新的想法，以便超越他人。
idiom

architectural eye candy

某些在视觉上吸引人但可能缺乏实质或功能的东西
Meaning
something that is visually appealing but may lack substance or functionality
Example
The new skyscraper in the city is just **architectural eye candy**.
这座城市的新摩天大楼只是**建筑眼睛糖果**。
idiom

no rocket scientist

不太聪明；不是天才
Meaning
not very intelligent; not a genius
Example
He’s **no rocket scientist**, but he works hard.
他不是**天才**，但是他努力工作。
idiom

have a good character

诚实、有道德且受人尊敬
Meaning
to be honest, moral, and respectable
Example
He has always **had a good character**, and that’s why people trust him.
他一直**拥有良好的品格**，因此人们信任他。
idiom

in the black

盈利；财务稳定
Meaning
making a profit; financially stable
Example
Our company is finally **in the black** after two years.
我们公司在两年后终于**盈利了**。
idiom

under the radar

未被注意或未被发现
Meaning
unnoticed or undetected
Example
He stayed **under the radar** during the investigation.
他在调查期间保持低调。
idiom

Play it safe

避免冒险
Meaning
to avoid taking risks
Example
He always **plays it safe** and never tries new things.
他总是 **保持安全**，从不尝试新的事物。
idiom

answer the call of duty

履行某人的义务，尤其是在困难情况下
Meaning
to fulfill one's obligation, especially in a difficult situation
Example
Firefighters **answered the call of duty** during the massive fire.
消防员在大火中履行了他们的职责。
idiom

get something off your chest

谈论让你担心的事情
Meaning
to talk about something that has been worrying you
Example
I needed to **get it off my chest**, so I finally told her the truth.
我需要**把它从心里说出来**，所以我终于告诉了她真相。
idiom

fall through the cracks

被忽视或忽略
Meaning
to be overlooked or neglected
Example
I forgot to follow up on his application and it **fell through the cracks**.
我忘了跟进他的申请，结果它**被忽略了**。
idiom

window shopping

在商店里看东西而不买
Meaning
looking at things in shops without buying them
Example
We went **window shopping** at the mall yesterday.
我们昨天去了商场进行 **橱窗购物**。
idiom

touch gold

在某事上非常成功或幸运
Meaning
to be very successful or lucky in something
Example
Every project he takes on seems to **touch gold**.
他接手的每一个项目似乎都很成功。
idiom

Exit strategy

一种计划，说明投资者或创始人最终如何退出或兑现。
Meaning
A plan for how investors or founders will eventually leave or cash out.
Example
Every startup should have a clear **exit strategy**.
每个初创公司应该有一个明确的**退出策略**。