backdoor
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idiom

backdoor

一种未记录的访问系统或软件的方式，通常由黑客用来绕过安全防护。
Meaning
An undocumented way of accessing a system or software, usually used by hackers to bypass security.
Example
The attacker installed a **backdoor** to access the system at any time without being detected.
攻击者安装了一个**后门**，以便在任何时候都能访问系统，而不被发现。
idiom

mud-slinging

批评某人，尤其是在政治中，旨在破坏其声誉的行为
Meaning
the act of criticizing someone, especially in politics, to harm their reputation
Example
The debate turned into **mud-slinging** very quickly.
辩论很快变成了相互指责。
idiom

size up

迅速评估某人或某事
Meaning
to quickly assess someone or something
Example
She walked into the room and instantly **sized up** the situation.
她走进房间，立即评估了情况。
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

teamwork makes the dream work

合作会导致成功
Meaning
working together leads to success
Example
We can accomplish so much if we cooperate, because **teamwork makes the dream work**.
如果我们合作，我们可以实现很多目标，因为**团队合作让梦想成真**。
idiom

never look back

专注于向前走，而不是停留在过去的错误上
Meaning
to focus on moving forward and not dwell on past mistakes
Example
Once she made the decision, she promised to **never look back**.
一旦她做出决定，她承诺**不回头**。
idiom

set the record straight

在误解后澄清事实
Meaning
to clarify the truth after a misunderstanding
Example
He wanted to **set the record straight** about what really happened.
他想澄清究竟发生了什么。
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

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

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

pull someone’s weight

在小组中做自己公平的工作
Meaning
to do one's fair share of work in a group
Example
Everyone in the team **pulls their weight** to succeed.
团队中的每个人都**尽自己的一份力**以取得成功。
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

scaling up

在初步成功后迅速扩大业务
Meaning
to expand a business rapidly after initial success
Example
After their Series A funding, the team focused on **scaling up**.
在获得A轮融资后，团队专注于迅速扩大业务。
idiom

wear the crown

处于领导或权力的位置
Meaning
to be in a position of leadership or power
Example
It's not easy to **wear the crown** and handle all responsibilities.
要穿上**wear the crown**并处理所有的责任并不容易。
idiom

trailblaze

第一个做某事或引领道路
Meaning
to be the first to do something or lead the way
Example
She is a **trailblazer** in the tech industry.
她是科技行业的**开拓者**。
idiom

Put your heads together

集体讨论并解决问题。
Meaning
To discuss and solve a problem collectively.
Example
Let’s **put our heads together** to find a solution.
让我们**集思广益**找到解决方案。
idiom

Put yourself in someone’s shoes

想象自己在另一个人的情境中
Meaning
To imagine yourself in another person's situation
Example
Try to **put yourself in her shoes** before judging her actions.
在判断她的行为之前，试着**把自己置于她的处境**。
idiom

go bankrupt

失去所有的金钱，并且无法偿还债务
Meaning
to lose all money and be unable to pay debts
Example
Many start-ups **go bankrupt** within their first year.
许多初创公司在第一年内**破产**。
idiom

bloom where you’re planted

充分利用你当前的处境
Meaning
make the best of your current situation
Example
Even in tough times, she **blooms where she’s planted**.
即使在困难时期，她也在自己的位置上绽放。
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

black and white

明确界定；没有混淆或模糊
Meaning
clearly defined; without confusion or ambiguity
Example
The contract terms are **black and white**.
合同条款非常清晰。
idiom

work like a dog

非常努力工作而不休息
Meaning
to work very hard without rest
Example
She **works like a dog** to provide for her kids.
她为了养活孩子像狗一样工作。
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

take the wind out of someone’s sails

让某人失去信心或热情。
Meaning
To make someone lose confidence or enthusiasm.
Example
Her harsh criticism **took the wind out of his sails**.
她严厉的批评**打击了他的信心**。
idiom

AI-powered

使用人工智能运行的
Meaning
referring to systems or applications that use artificial intelligence to function
Example
The company launched an **AI-powered** assistant to help customers find products more easily.
该公司推出了一个**人工智能驱动的**助手，帮助客户更容易找到产品。
idiom

A Trojan horse

旨在从内部秘密破坏或造成伤害的东西。
Meaning
Something intended to secretly undermine or bring harm from within.
Example
The malware acted as **a Trojan horse**, allowing hackers access to private data.
该恶意软件充当了特洛伊木马，使黑客能够访问私人数据。
idiom

hear something straight from the horse's mouth

直接从原始或最可靠的来源听到某事
Meaning
to hear something directly from the original or most reliable source
Example
I heard it **straight from the horse's mouth** that the event is canceled.
我直接从马的嘴里听到这个活动被取消了。
idiom

anchors aweigh

准备出发或开始一段旅程。
Meaning
Ready to depart or begin a journey.
Example
With our bags packed, it’s **anchors aweigh** for the road trip!
我们的行李已经打包好，**锚起航**，准备开始公路旅行!
idiom

the cream of the crop

群体中最优秀的人或事物
Meaning
the best among a group of people or things
Example
Only **the cream of the crop** get into that university.
只有最优秀的人才能进入那所大学。
idiom

make amends

做某事以表示你感到抱歉
Meaning
to do something to show you are sorry
Example
He tried to **make amends** by helping her with her work.
他试图通过帮她工作来**弥补**。
idiom

edge out

以微弱优势击败某人或某物
Meaning
to narrowly defeat someone or something
Example
They **edged out** their rivals by just one point.
他们以一分之差战胜了对手。
idiom

give in

停止抵抗或在最初拒绝后同意
Meaning
to stop resisting or to agree after initial refusal
Example
After a long debate, the committee finally **gave in**.
经过长时间的辩论，委员会最终屈服了。
idiom

Wear many hats

拥有多个角色或责任。
Meaning
To have many roles or responsibilities.
Example
As a small business owner, she **wears many hats**.
作为小企业主，她肩负着多重责任。
idiom

pulling strings

利用影响力去做某事
Meaning
using influence to get something done
Example
He got the engineering contract by **pulling strings**.
他通过**pulling strings**得到了工程合同。
idiom

faithful to the end

长时间保持忠诚和支持
Meaning
staying loyal and supportive for a long time
Example
She was **faithful to the end** in her relationship.
她在她的关系中**忠诚到底**。
idiom

steal the spotlight

吸引所有的注意力，往往夺走别人的风头
Meaning
to get all the attention, often taking it away from someone else
Example
The little girl **stole the spotlight** at the wedding with her adorable dance.
那个小女孩在婚礼上以她可爱的舞蹈**抢尽了风头**。
idiom

out of this world

极其好或令人印象深刻
Meaning
extremely good or impressive
Example
The food at that restaurant is **out of this world**.
那家餐厅的食物令人赞叹。
idiom

move past

克服或停止关注某事
Meaning
to overcome or stop focusing on something
Example
It’s time to **move past** the misunderstanding.
是时候**克服**这个误解了。
idiom

back out

退出协议或承诺
Meaning
to withdraw from an agreement or commitment
Example
They can’t **back out** after signing the contract.
他们在签署合同后不能退出。
idiom

get back together

在分手后恢复关系
Meaning
to resume a relationship after breaking up
Example
They **got back together** after a few months apart.
他们在分开几个月后又复合了。
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

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

play it straight

诚实并直接
Meaning
to be honest and direct
Example
Just **play it straight** and tell them what happened.
只需诚实并告诉他们发生了什么。
idiom

nose for news

一种寻找有趣故事的直觉
Meaning
an instinct for finding interesting stories
Example
Good reporters have a natural **nose for news**.
好的记者天生有一种新闻直觉。
idiom

out of shape

由于缺乏锻炼而变得不健康或不适合
Meaning
to be unfit or unhealthy due to lack of exercise
Example
I’m so **out of shape** after sitting at a desk all day.
我整天坐在桌子前，完全不健康了。
idiom

get to the root of the problem

发现问题的根本原因
Meaning
to discover the main cause of a problem
Example
We need to **get to the root of the problem** before we can fix it.
我们需要在解决问题之前**找到问题的根本原因**。
idiom

footloose and fancy-free

自由做你想做的事；没有约束
Meaning
free to do whatever you want; without commitments
Example
He loves being **footloose and fancy-free** after retirement.
退休后，他喜欢无拘无束的生活。
idiom

corner the market

主导特定市场
Meaning
to dominate a particular market
Example
They’ve managed to **corner the market** in organic products.
他们已经成功主导了有机产品市场。
idiom

under a cloud

被怀疑或遇到麻烦
Meaning
being suspected or in trouble
Example
He left the company **under a cloud** after the scandal.
在丑闻之后，他离开了公司 **under a cloud**。
idiom

go under the knife

动手术
Meaning
to have a surgical operation
Example
He had to **go under the knife** to fix his knee injury.
他不得不动手术来修复膝盖受伤。
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

to teach an old dog new tricks

试图教某人他们已经习惯的东西
Meaning
to try to teach someone something they are set in their ways about
Example
It’s hard to **teach an old dog new tricks** when it comes to new technology.
当涉及到新技术时，**教一只老狗新把戏**是很难的。
idiom

zoom in

专注于某事
Meaning
to focus closely on something
Example
Use the report to **zoom in** on customer trends.
使用报告来**专注于**客户趋势。
idiom

blow up in your face

一个计划或情况突然出错并造成麻烦
Meaning
a plan or situation that suddenly goes wrong and causes trouble
Example
His plan to impress the boss **blew up in his face**.
他打算给老板留下深刻印象的计划**在他面前爆炸**。
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

thick as thieves

非常亲密的朋友，分享一切
Meaning
very close friends who share everything
Example
Those two are **thick as thieves**.
他们俩是非常亲密的朋友。
idiom

Pull through

从困难的情况中幸存或恢复过来。
Meaning
To survive or recover from a difficult situation.
Example
He was very sick, but he **pulled through** in the end.
他病得很重，但最后他还是康复了。
idiom

fingers crossed

希望好运或好的结果
Meaning
hoping for good luck or a good result
Example
I have my **fingers crossed** for your exam results.
我为你的考试结果祈祷。
idiom

dig in your heels

拒绝放弃或改变立场
Meaning
to refuse to give up or change your position
Example
He **dug in his heels** and refused to quit until he succeeded.
他**坚持己见**，拒绝放弃直到成功。
idiom

the apple of someone's eye

某人非常珍贵或深深地被爱着
Meaning
someone very precious or loved deeply
Example
Her daughter is the **apple of her eye**.
她的女儿是她眼中的**苹果**。
idiom

Cut your losses

停止做不再有利可图的事情。
Meaning
To stop doing something that is no longer profitable.
Example
It’s better to **cut your losses** and move on.
最好**止损**并继续前进。
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

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

win someone over

说服某人支持你或同意你
Meaning
to persuade someone to support you or agree with you
Example
The candidate’s speech **won the crowd over**.
候选人的演讲**赢得了人群**。
idiom

on trial

正在被测试或审判
Meaning
being tested or judged
Example
The company is **on trial** for violating privacy laws.
该公司因违反隐私法而正在**受审**。
idiom

call to arms

为了捍卫某个原因而采取行动的号召
Meaning
a call to take action, especially to defend a cause
Example
The leader’s speech was a **call to arms** for all citizens to fight corruption.
领导人的演讲是一个**号召大家行动起来**，呼吁所有公民与腐败作斗争。
idiom

at the cutting edge

在一个领域中的最先进位置
Meaning
at the most advanced position in a field
Example
The lab is **at the cutting edge** of medical research.
实验室处于**医学研究的最前沿**。
idiom

At the end of one’s rope

累到无法再应对任何事。
Meaning
To be so tired or frustrated that you can’t deal with anything more.
Example
After working nonstop for weeks, I was **at the end of my rope**.
连续几个星期不停地工作后，我已经**筋疲力尽**。
idiom

Throw down the gauntlet

挑战某人打架或竞争。
Meaning
To challenge someone to fight or compete.
Example
He **threw down the gauntlet** by questioning his opponent’s honesty.
他通过质疑对手的诚实来抛出了挑战。
idiom

off the hook

摆脱某事的指责或责任
Meaning
to be free from blame or responsibility for something
Example
He was **off the hook** after his friend confessed.
在他的朋友承认之后，他摆脱了责任。
idiom

Light a fire under someone

激励某人采取行动或更加努力工作。
Meaning
To motivate someone to take action or work harder.
Example
The coach’s speech really **lit a fire under** the players.
教练的演讲确实激励了球员们。
idiom

bear market

股价下跌的时期
Meaning
a period when stock prices are falling
Example
Many people lose money during a **bear market**.
很多人在**熊市**期间亏钱。
idiom

tickled pink

非常高兴或愉快
Meaning
very pleased or delighted
Example
She was **tickled pink** by the surprise gift.
她因收到惊喜礼物而**非常高兴**。
idiom

spill the beans

揭露一个秘密
Meaning
to reveal a secret
Example
She accidentally **spilled the beans** about the surprise party.
她不小心揭露了关于惊喜派对的秘密。
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

reinforcement learning

一种机器学习方式，其中代理通过执行动作并接受反馈来学习做出决策
Meaning
a type of machine learning where an agent learns to make decisions by performing actions and receiving feedback
Example
In **reinforcement learning**, the model improves over time as it learns from trial and error.
**reinforcement learning** 中，模型随着时间的推移逐渐改进，因为它通过试验和错误进行学习。
idiom

key in on

专注于某个特定的事物
Meaning
to give focused attention to something specific
Example
The coach asked the team to **key in on** their defensive mistakes.
教练要求团队**专注于**他们的防守错误。
idiom

as fit as a fiddle

对某事感到非常厌烦或恼火
Meaning
in very good health
Example
My grandfather is 80 but still **as fit as a fiddle**.
我已经厌倦了听他的借口。
idiom

think ahead

为未来做计划；预见未来的需求或事件
Meaning
to plan for the future; to anticipate future needs or events
Example
Good managers always **think ahead** before making big decisions.
好的经理总是会在做出重大决定之前**提前思考**。
idiom

keep in mind

记住一些重要的事情
Meaning
to remember something important
Example
**Keep in mind** that deadlines are strict.
记住，最后期限是严格的。
idiom

bargain for

预期或计划某事
Meaning
to expect or plan for something
Example
The workload was more than we **bargained for**.
工作量比我们预期的更多。
idiom

take pride in yourself

为自己是谁或做什么而感到自豪
Meaning
to feel proud of who you are or what you do
Example
Always **take pride in yourself** and your achievements.
始终要**为自己和自己的成就感到自豪。**
idiom

kick in

开始生效
Meaning
to begin to take effect
Example
The backup generator should **kick in** within seconds.
备份发电机应在几秒钟内**启动**。
idiom

to err is human

每个人都会犯错误；不完美是自然的
Meaning
everyone makes mistakes; it’s natural to be imperfect
Example
**To err is human**, but to learn from errors is wisdom.
犯错是人类的本性，但从错误中学习就是智慧
idiom

reach your full potential

实现你能够达到的最大能力或成功
Meaning
to achieve the maximum ability or success that you are capable of
Example
By working hard, she was able to **reach her full potential**.
通过努力工作，她能够达到她的**最大潜力**。
idiom

kill someone with kindness

以额外的友善对待一个不愉快的人，以中和他们的负面情绪
Meaning
to be extra kind to someone unpleasant to neutralize their negativity
Example
The best way to deal with her is to **kill her with kindness**.
与她打交道的最佳方式是以**友善的态度对待她**。
idiom

Sow the seeds

开始一个将来会发展的过程。
Meaning
To begin a process that will develop in the future.
Example
Her small donations **sowed the seeds** of a larger charity movement.
她的小额捐款**播下了**更大规模慈善运动的种子。
idiom

in good faith

怀着诚意; 真诚地
Meaning
with honest intentions; sincerely
Example
They acted **in good faith** when signing the agreement.
他们在签署协议时**出于诚意**。
idiom

hair stands on end

感到极度的恐惧或害怕
Meaning
to feel intense fear or horror
Example
The ghost story made my **hair stand on end**.
那个鬼故事让我毛骨悚然。
idiom

soft launch

在全面发布之前，对新产品进行有限或安静的发布
Meaning
a limited or quiet release of a new product before the full launch
Example
The company did a **soft launch** to test customer reactions.
公司进行了一个**软启动**来测试客户反应。
idiom

come into one's own

达到成熟或充分发挥潜力
Meaning
to reach a stage of maturity or full potential
Example
She really **came into her own** after starting her own business.
她在开始自己的事业后真正发挥了全部潜力。
idiom

the proof is in the pudding

事物的真正价值只有在使用时才能判断
Meaning
the real value of something can only be judged when it's put to use
Example
He claims the app is great, but **the proof is in the pudding**.
他说这个应用很好，但用过之后才能见真章。
idiom

rules are made to be broken

有时可以忽略规则
Meaning
sometimes it's okay to ignore rules
Example
He believes **rules are made to be broken**.
他相信规则是为了被打破的
idiom

hit the firewall

在尝试访问某些在线内容时遇到限制或安全阻止
Meaning
to face a restriction or security block while trying to access something online
Example
I tried to visit the site but **hit the firewall** at work.
我试图访问该网站，但在工作中**遇到了防火墙**。
idiom

a thing of the past

不再存在或发生的事情
Meaning
something that no longer exists or happens
Example
With smartphones, landline phones are **a thing of the past**.
有了智能手机，座机电话成了**过去的事情**。
idiom

time flies

时间过得非常快
Meaning
time passes very quickly
Example
**Time flies** when you’re having fun.
当你玩得开心时，时间飞逝
idiom

a dream come true

一直梦想的事情终于实现了
Meaning
something that happens which you always wished for
Example
Getting that scholarship was **a dream come true** for her.
获得那份奖学金对她来说是梦想成真。
idiom

You can say that again

用于强烈同意某人
Meaning
Used to strongly agree with someone
Example
‘It’s been a long day.’ ‘**You can say that again!**’
‘今天真是漫长的一天。’ ‘**你说得对！**’
idiom

break the deadlock

打破僵局或脱离无法进展的局面
Meaning
to end a situation in which progress is not possible
Example
They finally managed to **break the deadlock** through discussion.
他们最终通过讨论打破了僵局。
idiom

play a cameo

在电影中做短暂的出现
Meaning
to make a brief appearance in a film
Example
The director himself **played a cameo** in the movie.
导演本人在电影中出演了一个小角色。
idiom

tell tales

闲聊或泄露秘密，通常是为了让某人陷入困境
Meaning
to gossip or reveal secrets, often to get someone in trouble
Example
Stop **telling tales** about your coworkers.
停止**谈论八卦**关于你的同事。
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

blow someone's cover

揭露某人的秘密身份或隐藏目的
Meaning
to reveal someone's secret identity or hidden purpose
Example
The journalist accidentally **blew the cover** of the undercover agent.
记者不小心揭露了卧底特工的身份。
idiom

Front page news

极其重要或广泛讨论的新闻
Meaning
Extremely important or widely discussed news
Example
His heroic act became **front page news** the next morning.
他的英雄事迹第二天早晨成为了**头条新闻**。
idiom

turing test

测试机器展示与人类等效或无法区分的智能行为的能力
Meaning
a test of a machine's ability to exhibit intelligent behavior equivalent to, or indistinguishable from, that of a human
Example
The AI passed the **Turing test**, convincing the judges that it was human-like.
人工智能通过了**图灵测试**，让评委相信它像人类一样。
idiom

on the right side of the law

合法行事; 不违反任何法律
Meaning
acting legally; not breaking any laws
Example
He wants to stay **on the right side of the law**.
他想保持 **在法律的正确一方**。
idiom

behind bars

在监狱里
Meaning
in prison
Example
The murderer will spend the rest of his life **behind bars**.
谋杀犯将余生都在监狱里度过。
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

take the blame

对某事错误承担责任
Meaning
to accept responsibility for something wrong
Example
He decided to **take the blame** for the team's failure.
他决定为团队的失败**承担责任**。
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

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

balance the books

确保收入和支出相等
Meaning
to make sure income and expenses are equal
Example
The accountant worked late to **balance the books**.
会计加班工作，直到**平衡账本**。
idiom

pass with flying colors

出色地成功或以卓越的成绩达成某事
Meaning
to succeed brilliantly or achieve something with excellence
Example
She **passed the exam with flying colors**.
她以优异成绩通过了考试。
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

win-win situation

一种所有各方都受益的局面
Meaning
a situation where all parties benefit
Example
The new deal was a **win-win situation** for both companies.
这项新协议对两家公司来说是双赢的。
idiom

blow off steam

表达愤怒或沮丧以使自己感觉更好
Meaning
to express anger or frustration so that you feel better
Example
He went for a run to **blow off steam** after the argument.
他在争论后去跑步以发泄情绪。
idiom

Take your chances

尽管存在不确定性，但尝试某事。
Meaning
To try something despite uncertainty.
Example
He decided to **take his chances** and apply for the international scholarship.
他决定**尝试一下**，申请国际奖学金。
idiom

Spread like wildfire

变得非常快速地广为人知。
Meaning
To become widely known very quickly.
Example
The news of their engagement **spread like wildfire**.
他们订婚的消息**像野火一样传播**。
idiom

play both sides

支持对立方以获得优势
Meaning
to support opposing parties to gain advantage
Example
Some lobbyists are known to **play both sides** of the issue.
一些游说者以支持问题的两方而闻名。
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

set the stage for

使某事变得可能或可能发生
Meaning
to make something possible or likely to happen later
Example
This meeting will **set the stage for** future cooperation.
这次会议将为未来的合作**奠定基础**。