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idiom

Air time

在电视或广播中播放的时间
Meaning
The amount of time something is broadcast on TV or radio
Example
The charity event got a lot of **air time** on local stations.
慈善活动在当地电台获得了很多空中时间。
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

a lump in your throat

感到情绪激动或快要哭泣
Meaning
feeling emotional or about to cry
Example
He felt **a lump in his throat** when he said goodbye.
他说再见时，**喉咙里有块疙瘩**。
idiom

a dead-end job

没有晋升或改善机会的工作
Meaning
a job with no opportunity for advancement or improvement
Example
He quit his **dead-end job** to start his own business.
他辞去了他的**死胡同工作**，开始了自己的生意。
idiom

a loose cannon

一个行为不可预测且可能引起问题的人。
Meaning
A person who behaves unpredictably and may cause problems.
Example
Be careful with him — he’s **a loose cannon**.
小心他——他是一个不可预测的人。
idiom

a closed book

某事或某人很难理解
Meaning
something or someone that is difficult to understand
Example
He’s **a closed book** when it comes to his personal life.
当涉及到他的个人生活时，他就像一本封闭的书。
idiom

Airhead

一个傻乎乎或愚蠢的人。
Meaning
A silly or foolish person.
Example
Don't be such an **airhead**, pay attention!
不要那么傻，集中注意力！
idiom

a fish out of water

在陌生环境中感到不舒服
Meaning
feeling uncomfortable in an unfamiliar situation
Example
She felt like **a fish out of water** at the new school.
她在新学校里感觉就像 **一条鱼离开水**。
idiom

a penny for your thoughts

询问某人在想什么的一种方式
Meaning
a way of asking someone what they are thinking about
Example
You look lost in thought — **a penny for your thoughts**?
你看起来心事重重——在想什么？
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

At the drop of a hat

立即；毫不犹豫。
Meaning
Immediately; without hesitation.
Example
He’s ready to help **at the drop of a hat**.
他准备好**毫不犹豫**地帮助。
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

a barrel of laughs

某人或某事非常有趣或娱乐性强
Meaning
someone or something very funny or entertaining
Example
The new comedy show is **a barrel of laughs**.
新的喜剧节目非常有趣。
idiom

artificial brainpower

由AI系统提供的智能或决策
Meaning
intelligence or decision-making provided by AI systems
Example
The car relies on **artificial brainpower** to navigate through traffic.
这辆车依赖于**人工脑力**在交通中导航。
idiom

a walking encyclopedia

一个知道很多关于许多主题的人
Meaning
a person who knows a lot about many subjects
Example
Ask him anything about history—he’s **a walking encyclopedia**.
问他任何关于历史的事情——他是**一本行走的百科全书**。
idiom

As far as I can tell

根据我理解的；根据我知道的
Meaning
As I understand; based on what I know
Example
As far as I can tell, everything is fine.
根据我理解的，一切都很好。
idiom

art for art’s sake

艺术应因其美而被重视，而非出于任何道德或政治目的
Meaning
art should be valued for its beauty and not for any moral or political purpose
Example
He believes in **art for art’s sake**, not propaganda.
他相信**为了艺术而艺术**，而不是宣传。
idiom

as thick as two short planks

非常愚蠢或迟钝
Meaning
very stupid or slow-witted
Example
He’s **as thick as two short planks**, bless him.
他**像两块短木板一样愚蠢**，祝福他。
idiom

a steep learning curve

当某事很难学习，通常是迅速的
Meaning
when something is difficult to learn, usually quickly
Example
The new software had a **steep learning curve**, but I managed to understand it.
新软件有一个**陡峭的学习曲线**，但我设法理解了它。
idiom

at the top of one’s game

处于最佳状态
Meaning
to be performing at one’s best level
Example
The athlete is **at the top of his game** this season.
这位运动员本赛季处于最佳状态。
idiom

a smart cookie

一个非常聪明或有智慧的人
Meaning
a very clever or intelligent person
Example
Don’t underestimate her; she’s **a smart cookie**.
不要低估她; 她是 **一个聪明的饼干**。
idiom

a fork in the road

一个必须做出决定的时刻；在两个或更多选项之间做选择
Meaning
a point where a decision must be made; a choice between two or more options
Example
When you come to **a fork in the road**, you have to choose which way to go.
当你来到**十字路口**时，你必须选择哪条路走。
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

a man of vision

具有远见和想象力的人
Meaning
a person who has foresight and imagination
Example
He is **a man of vision** who transformed the company.
他是一个有远见的人，改变了公司。
idiom

at each other’s throats

处于持续冲突或打斗中
Meaning
to be in constant conflict or fighting
Example
The two brothers were **at each other’s throats** all day.
那两个兄弟整天都在互相争斗。
idiom

A shot in the dark

一个没有太多或任何关于结果的了解就做出的猜测或尝试
Meaning
a guess or attempt made without knowing much or anything about the result
Example
His idea about solving the problem was just **a shot in the dark**.
他解决问题的想法只是**A shot in the dark**。
idiom

a quick study

一个快速学习的人
Meaning
someone who learns new things very fast
Example
She’s **a quick study** and mastered the topic in a day.
她很快学习并在一天内掌握了这个话题。
idiom

a weight on your shoulders

沉重的负担或责任，造成压力
Meaning
a heavy burden or responsibility causing stress
Example
Running the company alone is **a weight on his shoulders**.
独自管理公司是 **他肩上的重担**。
idiom

a bright spark

聪明且聪慧的人；有原创想法的人
Meaning
a clever and intelligent person; someone with original ideas
Example
He's such **a bright spark**; he always finds innovative solutions.
他真是个聪明的人；总是能找到创新的解决办法。
idiom

a glimpse into the future

对未来可能是怎样的一个小小暗示
Meaning
a small indication of what the future might be like
Example
This technology gives us **a glimpse into the future**.
这项技术给我们一个未来的瞥见。
idiom

a 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 become **a couch potato** since he lost his job.
他自从失去工作后，变成了**一块沙发土豆**。
idiom

age before beauty

幽默地用来让年长的人先行
Meaning
used humorously to let an older person go first
Example
He opened the door and said, '**Age before beauty**,' letting his grandmother enter first.
他打开门说：“**年龄先于美貌**”，让他的奶奶先进去。
idiom

a lightbulb moment

一个突然的意识或理解
Meaning
a sudden realization or understanding
Example
When I saw the results, I had a **lightbulb moment**.
当我看到结果时，我有一个**灯泡时刻**。
idiom

a brainwave

一个突然聪明的主意或解决方案
Meaning
a sudden clever idea or solution
Example
I had **a brainwave** and realized how to fix the issue.
我有了**一脑波**，并意识到如何解决这个问题。
idiom

a guiding light

一个激励或引导他人走向成功的人
Meaning
someone who inspires or leads others toward success
Example
Her courage became **a guiding light** for the whole team.
她的勇气成为了整个团队的**指路明灯**。
idiom

asleep on your feet

极度疲倦，几乎要睡着
Meaning
extremely tired and almost falling asleep
Example
You look **asleep on your feet** after working all day.
你工作了一整天，看起来快要睡着了。
idiom

add color to

使某事变得更加有趣或生动
Meaning
to make something more interesting or lively
Example
The teacher’s stories **added color to** the history lesson.
老师的故事**为历史课增添了色彩**。
idiom

A politician's promise is like a bubble

政治家的承诺往往不现实或无法实现
Meaning
a politician's promises are often unrealistic or unattainable
Example
You can't trust his plans; **a politician's promise is like a bubble**.
你不能相信他的计划；**政治家的承诺就像一个泡沫**。
idiom

a flash in the pan

一开始看起来有希望但最终失败的东西
Meaning
something that seems promising at first but fails to deliver
Example
The peace talks were just **a flash in the pan**.
和平谈判只是**昙花一现**。
idiom

a giant leap for mankind

一次重大的或开创性的成就
Meaning
a significant or groundbreaking achievement
Example
The first man landing on the moon was truly **a giant leap for mankind**.
第一个登月的人真的是**人类的伟大飞跃**。
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

a fresh start

在困难或错误之后的全新开始
Meaning
a new beginning after difficulties or mistakes
Example
After the breakup, she wanted **a fresh start**.
分手后，她想要一个全新的开始。
idiom

a work in progress

仍在开发或改进中的事物
Meaning
something that is still being developed or improved
Example
The project is still **a work in progress**, but it's going well.
该项目仍在进行中，但进展良好。
idiom

adapt to the changing times

适应新的条件或环境
Meaning
to adjust to new conditions or circumstances
Example
In order to survive in this fast-paced world, you must **adapt to the changing times**.
为了在这个快节奏的世界中生存，你必须**适应变化的时代**。
idiom

a run for one’s money

与某人进行激烈竞争；有效地挑战
Meaning
to compete strongly with someone; to challenge effectively
Example
The new company is giving the old giants **a run for their money**.
新公司正在与老牌巨头展开激烈竞争。
idiom

answer for something

对发生的坏事负责
Meaning
to be responsible for something bad that happens
Example
You’ll have to **answer for your actions** if things go wrong.
如果事情出了问题，你必须为你的行为负责。
idiom

add fuel to the fire

使糟糕的情况变得更糟
Meaning
to make a bad situation worse
Example
Your comments **added fuel to the fire**.
你的评论让情况更糟了。
idiom

An ear to the ground

意识到周围发生的事情。
Meaning
To be aware of what is happening around you.
Example
If you want to succeed in business, always keep **an ear to the ground**.
如果你想在生意上成功，始终保持**耳朵贴近地面**。
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

a lawyer's brief

一个摘要或简明陈述一个论点或案件
Meaning
a summary or concise statement of an argument or case
Example
The **lawyer's brief** was submitted to the judge before the trial began.
**律师的摘要** 在审判开始前提交给法官。
idiom

a well-oiled machine

一个高效且顺畅协作的小组
Meaning
a group that works efficiently and smoothly together
Example
Our team worked like **a well-oiled machine** during the event.
我们的团队在活动中像**一台润滑良好的机器**一样工作。
idiom

a power play

一个战略举措以获得对局势的控制或影响
Meaning
a strategic move to gain control or influence over a situation
Example
His decision to challenge the leader was a clear **power play**.
他挑战领导者的决定是一个明显的 **力量操作**。
idiom

a rolling stone gathers no moss

一个不断前进和探索的人避免了无聊或停滞
Meaning
a person who keeps moving and exploring avoids boredom or stagnation
Example
**A rolling stone gathers no moss**, and he’s always on the move.
滚动的石头不会长苔藓，他总是在移动。
idiom

at the crossroads

面临一个决定或选择
Meaning
facing a decision or choice
Example
I’m **at the crossroads** in my career right now.
我现在正处于职业生涯的十字路口。
idiom

a rollercoaster of emotions

在短时间内经历非常高和非常低的情绪状态
Meaning
to experience very high and very low emotional states in a short time
Example
The week was **a rollercoaster of emotions**, with moments of joy and sadness.
这一周是**一个情绪过山车**，充满了快乐和悲伤的时刻。
idiom

a workaholic

一个工作过度且很难停止的人
Meaning
a person who works too much and finds it hard to stop
Example
He’s such **a workaholic**, even on weekends he works.
他是个**工作狂**，即使是周末也在工作。
idiom

a heart-to-heart

一次真诚和开放的对话
Meaning
a sincere and open conversation
Example
We had **a heart-to-heart** about our future plans.
我们就我们的未来计划进行了**一次真诚的对话**。
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

act of kindness

帮助他人的单一好行为或姿势
Meaning
a single good deed or gesture to help others
Example
That was such a beautiful **act of kindness**.
那真是一个美丽的善举。
idiom

A seat at the table

有机会参与决策或重要讨论。
Meaning
To have an opportunity to be part of decision-making or important discussions.
Example
She fought for years to earn **a seat at the table** in the boardroom.
她为在董事会中获得**一个席位**而奋斗多年。
idiom

artificial genius

由人类创造的极其聪明的系统
Meaning
an exceptionally smart system created by humans
Example
Chatbots have become the face of **artificial genius**.
聊天机器人已成为人工智慧的代表。
idiom

a snowball's chance in hell

完全没有机会
Meaning
no chance at all
Example
He has **a snowball's chance in hell** of winning the lottery.
他没有赢得彩票的机会。
idiom

at odds with

与某人或某事不一致或冲突
Meaning
to disagree or be in conflict with someone or something
Example
His views are **at odds with** the company policy.
他的观点与公司的政策**不一致**。
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

A Pandora’s box

无尽麻烦或复杂问题的来源。
Meaning
A source of endless complications or trouble.
Example
Discussing that topic will open a **Pandora’s box** of complaints.
讨论那个话题会打开一个潘多拉的盒子，引发很多抱怨。
idiom

a golden goose

持续财富或利润的来源
Meaning
a source of continuous wealth or profit
Example
Their subscription service has become **a golden goose** for the company.
他们的订阅服务已经成为公司的一只**a golden goose**。
idiom

a mind is a terrible thing to waste

不使用你的智力是一种浪费
Meaning
it is a waste not to use your mental abilities
Example
You should keep learning, **a mind is a terrible thing to waste**.
你应该继续学习，**思想是一种可怕的浪费**。
idiom

a paradigm shift

方法或基本假设的根本变化
Meaning
a fundamental change in approach or underlying assumptions
Example
The invention of the internet marked a **paradigm shift** in communication and information sharing.
互联网的发明标志着通信和信息共享的**范式转变**。
idiom

a drama queen

一个夸大其词或对情况过度反应的人
Meaning
someone who exaggerates or overreacts to situations
Example
Stop acting like **a drama queen**; it’s not that serious.
别像一个戏剧女王一样表现; 事情没有那么严重。
idiom

add on

额外添加某物
Meaning
to include something extra
Example
You can **add on** dessert for a small fee.
你可以支付少量费用来**加上**甜点。
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

A Scrooge

一个非常吝啬或小气的人。
Meaning
A very stingy or miserly person.
Example
Don’t be **a Scrooge**—it’s Christmas!
别做吝啬鬼——现在是圣诞节！
idiom

as strong as an ox

非常强大和有力
Meaning
very strong and powerful
Example
He’s **as strong as an ox** after years of training.
经过多年的训练，他现在**像一头牛一样强壮**。
idiom

a kingmaker

有影响力选择或任命领导者的人
Meaning
someone who has influence in the selection or appointment of a leader
Example
The senator has become **a kingmaker** in the current presidential race.
这位参议员已经成为目前总统竞选中的**国王制造者**。
idiom

a blessing in disguise

看起来不好的事情但结果很好
Meaning
something that seems bad but results in something good
Example
Losing that job was **a blessing in disguise**.
失去那份工作是因祸得福。
idiom

a thorn in the flesh

一些或某人造成持续的麻烦或烦恼
Meaning
something or someone that causes continuous trouble or annoyance
Example
The new regulations have been **a thorn in the flesh** for small business owners.
新规定对小企业主来说已经成为了**肉中的刺**。
idiom

a level playing field

一个公平的环境，让每个人都有平等的机会
Meaning
a fair situation where everyone has equal chances
Example
We want to create **a level playing field** for all competitors.
我们希望为所有参赛者创造一个公平的竞争环境。
idiom

a figure of speech

一种以非字面意义用于强调或效果的短语
Meaning
a phrase used in a non-literal way for effect or emphasis
Example
When he said he could eat a horse, it was just **a figure of speech**.
当他说他能吃一匹马时，这只是**一种修辞手法**
idiom

As old as the hills

非常古老或古老
Meaning
Very old or ancient
Example
That legend is **as old as the hills**.
那个传说像山丘一样古老。
idiom

as free as a bird

完全自由；无忧无虑
Meaning
completely free; without worries
Example
After the exams, I felt **as free as a bird**.
考试后，我感到完全自由。
idiom

Ahead of one’s time

拥有过于先进的想法或态度，超越了当下的时代。
Meaning
Having ideas or attitudes that are too advanced for the present.
Example
Her designs were ahead of her time.
她的设计超越了她的时代。
idiom

A clear conscience is a soft pillow

当你诚实时，你会平静地睡觉，没有愧疚感。
Meaning
When you live honestly, you sleep peacefully without guilt.
Example
After telling the truth, he had a peaceful night’s sleep because **a clear conscience is a soft pillow**.
告诉真相后，他度过了一个安静的夜晚，因为**清晰的良心是一个柔软的枕头**。
idiom

a pain in the neck

令人非常烦的人或事
Meaning
someone or something that is very annoying
Example
That constant noise from the construction site is **a pain in the neck**.
来自建筑工地的持续噪音真让人烦。
idiom

at death’s door

濒临死亡
Meaning
very close to death
Example
He was **at death’s door** before the doctors saved him.
他在医生救他之前濒临死亡。
idiom

as wise as an owl

非常聪明或博学
Meaning
very wise or knowledgeable
Example
My grandfather is **as wise as an owl**.
我的祖父**像猫头鹰一样聪明**。
idiom

a chip off the old block

像父母一样相似的人
Meaning
someone who is very similar to their parent
Example
Your daughter is so smart — she’s **a chip off the old block**.
你的女儿真聪明——她是**老块的一个碎片**。
idiom

a smoke-filled room

一个有权势的人在此做出秘密的政治决定的地方
Meaning
a place where powerful people make secret political decisions
Example
The policy was decided in **a smoke-filled room**, not in public.
政策是在**烟雾弥漫的房间**里决定的，而不是在公众面前。
idiom

At your own risk

你对任何可能的危险或损失负责。
Meaning
You are responsible for any possible danger or loss.
Example
You can enter the cave, but it’s **at your own risk**.
你可以进入洞穴，但这是**自担风险**。
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

a few bricks short of a load

有点愚蠢或疯狂
Meaning
a little stupid or crazy
Example
He tries hard, but he’s **a few bricks short of a load**.
他努力尝试，但他是**有点愚蠢或疯狂**。
idiom

a mind like a sieve

记忆力非常差
Meaning
to have a very bad memory
Example
He forgets everything; he has **a mind like a sieve**.
他什么都忘了；他的记忆力像筛子一样。
idiom

A blurred line

两者之间不明确的区别
Meaning
An unclear distinction between two things
Example
There’s often **a blurred line** between work and personal life.
工作和个人生活之间经常有**模糊的界限**。
idiom

a front-page story

一条重要到足以登上报纸头版的新闻
Meaning
a news story that is important enough to be placed on the front page of a newspaper
Example
The fire in the city center was **a front-page story** for the national newspapers.
市中心的火灾是全国报纸的头版新闻。
idiom

adapt or die

为了生存，必须适应不断变化的环境
Meaning
to survive, one must adjust to changing conditions
Example
In business, it’s **adapt or die**.
在商业中，这是**适应或死**。
idiom

a good Samaritan

一個在需要時幫助他人的人
Meaning
a person who helps others in need
Example
A **good Samaritan** helped the injured man on the road.
一個**好撒馬利亞人**幫助了路上受傷的男人。
idiom

a burning desire

强烈和深切的渴望去实现某事
Meaning
a strong and intense wish to achieve something
Example
She has **a burning desire** to become the best in her field.
她有 **强烈的渴望** 成为她领域的最佳。
idiom

AI arms race

公司或国家之间在人工智能发展中争夺领导地位的竞争
Meaning
competition among companies or nations to lead in AI development
Example
Big tech companies are engaged in an **AI arms race**.
大型科技公司正在参与一场**AI军备竞赛**。
idiom

A picture paints a thousand words

视觉图像能够比文字更好地表达复杂的想法
Meaning
A visual image can express complex ideas better than words
Example
Cultural symbols remind us that **a picture paints a thousand words**.
文化符号提醒我们 **一张图片胜过千言万语**。
idiom

a game plan

策略或行动计划
Meaning
a strategy or plan of action
Example
We need a clear **game plan** before we start the meeting.
我们在开始会议之前需要一个清晰的游戏计划
idiom

A Sherlock Holmes

一个非常擅长解决谜题或发现信息的人
Meaning
A person who is extremely good at solving mysteries or finding out information.
Example
He’s such **a Sherlock Holmes** when it comes to finding lost things.
在寻找丢失的东西时，他真像一个夏洛克福尔摩斯
idiom

A little knowledge is a dangerous thing

了解一点事情可能会导致错误。
Meaning
Knowing a small amount about something can lead to mistakes.
Example
**A little knowledge is a dangerous thing** — don’t try to fix it if you’re not an expert.
**一点知识是一件危险的事** — 如果你不是专家，别尝试修理它。
idiom

an old hand

在某事上非常有经验的人
Meaning
someone very experienced at something
Example
She’s **an old hand** at managing big events.
她是管理大型活动的**老手**。
idiom

at the end of the rope

没有更多的耐心或力量来应对问题
Meaning
to have no more patience or strength left to deal with a problem
Example
She’s **at the end of her rope** trying to manage her work and family together.
她在努力兼顾工作和家庭时，已经**筋疲力尽**了。
idiom

actions speak louder than words

人们所做的比他们所说的更重要
Meaning
what people do is more important than what they say
Example
**Actions speak louder than words**, so prove it with effort.
**行动胜于言辞**, 所以用努力来证明它。
idiom

a quantum leap

一次巨大的突然改善
Meaning
a big and sudden improvement
Example
This discovery is **a quantum leap** in medical research.
这个发现是医学研究中的**量子飞跃**。
idiom

a cog in the machine

大型系统中的一个小而重要的部分
Meaning
a small but essential part of a large system
Example
Every engineer is **a cog in the machine** that keeps the factory running.
每个工程师都是**机器中的一颗齿轮**，帮助工厂运转。
idiom

A friend to all is a friend to none

那些试图取悦每个人的人最终可能没有取悦任何人
Meaning
Someone who tries to please everyone may end up pleasing no one
Example
He is friendly to everyone, but he has no real close friends because **a friend to all is a friend to none**.
他对每个人都很友好，但他没有真正亲近的朋友，因为**每个人的朋友是没有朋友的**。
idiom

a bookworm

一个喜欢读书的人
Meaning
a person who loves reading books
Example
She’s **a bookworm**; she spends hours in the library.
她是**书虫**; 她在图书馆呆了几个小时。
idiom

a trusted ally

一个可以信任并且可靠的人或团体
Meaning
a person or group that is trusted and reliable
Example
She has always been **a trusted ally** in our business ventures.
她一直是我们商业计划中的**一个可信赖的盟友**。
idiom

a cold fish

一个没有情感或不友好的人
Meaning
someone who is unemotional or not friendly
Example
He seemed **a cold fish** when I first met him.
当我第一次见到他时，他看起来像一个冷淡的人。
idiom

a heart of steel

一个情感上坚强且不屈的人
Meaning
someone who is emotionally strong and unyielding
Example
Despite all the challenges, he handled everything with **a heart of steel**.
尽管面临所有挑战，他以**铁一般的心脏**应对了一切。
idiom

a snake in the grass

一个秘密的敌人
Meaning
a secret enemy
Example
Be careful; there’s **a snake in the grass**.
小心；草丛里有一个秘密敌人。
idiom

a rip-off

太贵或不值这个价格的东西
Meaning
something that is too expensive or not worth its price
Example
That restaurant is **a rip-off**; the food is not worth the money.
那家餐厅太坑人了；食物不值那个价钱。
idiom

a wolf in sheep's clothing

看起来无害但实际上很危险的人
Meaning
someone who appears harmless but is actually dangerous
Example
He was **a wolf in sheep's clothing**.
他是披着羊皮的狼。
idiom

a snowball effect

一种情况，其中某事物的规模或重要性以越来越快的速度增加
Meaning
a situation in which something increases in size or importance at a faster and faster rate
Example
The more followers she got, the more famous she became, creating **a snowball effect**.
她的追随者越多，她就越有名，形成了一个雪球效应。
idiom

A Romeo

一个热情的情人或浪漫的男人。
Meaning
A passionate lover or a romantic man.
Example
He acts like **a Romeo** around her.
他在她身边表现得像一个罗密欧。
idiom

a game changer

完全改变事物处理方式的东西
Meaning
something that completely changes the way things are done
Example
The new technology is a **game changer** for the healthcare industry.
新技术是医疗行业的变革者。
idiom

A red herring

一个误导性的线索或分散注意力的事物，目的是转移对真正问题的注意。
Meaning
A misleading clue or distraction intended to divert attention from the real issue.
Example
The new law was just a **red herring** to distract from the corruption scandal.
新法律只是一个分散注意力的事物，用来转移对腐败丑闻的注意。
idiom

a bridge too far

一个过于雄心勃勃或无法实现的尝试或目标
Meaning
an attempt or goal that is too ambitious or impossible to achieve
Example
The proposal to negotiate with all the countries at once was **a bridge too far**.
同时与所有国家谈判的提议是**一座太远的桥**。
idiom

a vision for the future

关于未来应该发生什么的清晰想法或计划
Meaning
a clear idea or plan about what should happen in the future
Example
The CEO has **a vision for the future** of the company that will guide its growth.
CEO 对公司未来的 **未来愿景** 将指导其增长。
idiom

a sound mind in a sound body

心理健康依赖于身体健康
Meaning
mental health depends on physical health
Example
**A sound mind in a sound body** is the key to a happy life.
健康的身体才有健康的心灵，这是通往幸福生活的关键。