artificial instinct
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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 helping hand

帮助或协助他人的人
Meaning
someone who helps or assists others
Example
She offered **a helping hand** to the new student in class.
她为班级里的新学生提供了**一只援助之手**。
idiom

a clean bill of health

确认健康良好的报告
Meaning
a report confirming good health
Example
The doctor gave me **a clean bill of health** after the check-up.
医生在体检后给了我一份健康良好的报告。
idiom

act your age

表现出与你年龄相符的行为
Meaning
behave in a manner appropriate to your age
Example
Stop being so childish and **act your age**!
别那么幼稚，**要表现得符合你的年龄**！
idiom

a smooth sea never made a skilled sailor

挑战和困难让人变得更强大，更有经验。
Meaning
Challenges and difficulties make people stronger and more experienced.
Example
Remember, **a smooth sea never made a skilled sailor**—you’ll learn from tough times.
记住，**平静的海洋从未造就过一个熟练的水手** — 你会从困难时光中学习。
idiom

a breath of fresh air

一些新鲜和令人耳目一新的东西
Meaning
something new and refreshing
Example
Her positive attitude is **a breath of fresh air** in the office.
她积极的态度在办公室里就像一阵清新的空气。
idiom

algorithmic bias

算法对某些数据或结果的系统性偏好，通常是无意的。
Meaning
the systematic favoritism towards certain data or outcomes by an algorithm, often unintentionally.
Example
The development team worked to eliminate **algorithmic bias** in the AI model.
开发团队致力于消除AI模型中的**算法偏见**。
idiom

a whole new ball game

一个全新或不同的情况；改变事情处理方式的东西。
Meaning
a completely new or different situation; something that changes the way things are done.
Example
Starting a business from scratch is **a whole new ball game**.
从头开始创业是**一个全新的挑战**。
idiom

at the eleventh hour

在最后时刻
Meaning
at the very last moment
Example
He submitted his assignment **at the eleventh hour**.
他在最后时刻提交了他的作业。
idiom

a ticking time bomb

一个随时可能变得危险的情况或人。
Meaning
A situation or person that could become dangerous at any moment.
Example
His anger issues make him **a ticking time bomb**.
他的愤怒问题让他成为一颗定时炸弹。
idiom

a friend in need is a friend indeed

真正的朋友是在困难时帮助你的人
Meaning
a true friend helps you in difficult times
Example
When I was sick, Jane took care of me—**a friend in need is a friend indeed**.
我生病时，简照顾了我——患难见真情。
idiom

A Catch-22

一种因为互相矛盾的条件而无法摆脱的困境。
Meaning
A dilemma or difficult situation from which there is no escape because of mutually conflicting conditions.
Example
It’s a **Catch-22**—you can’t get a job without experience, but you can’t get experience without a job.
这是一个‘凯奇-22’——没有经验找不到工作，没有工作也得不到经验。
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

answer for

对某事负责，并就此向他人解释
Meaning
to be responsible for something and answer to others about it
Example
She had to **answer for** the mistakes made by her team.
她必须为她团队所犯的错误**负责**。
idiom

a party animal

喜欢参加派对的人
Meaning
someone who loves going to parties
Example
My roommate is **a party animal**; she goes out every weekend.
我的室友是**a party animal**；她每个周末都会出去。
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

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

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

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

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

a meeting of minds

一种人们达成一致或有共同理解的情况
Meaning
a situation where people agree or have a shared understanding
Example
The agreement was the result of a real **meeting of minds**.
该协议是一次真正的思想碰面的结果。
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

a gray area

一种不清楚或可以用多种方式理解的情况或话题
Meaning
a situation or topic that is not clear or that can be understood in more than one way
Example
The question of intellectual property rights in the digital age is still **a gray area**.
数字时代的知识产权问题仍然是**灰色地带**。
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

at loggerheads

在强烈的分歧或冲突中
Meaning
in strong disagreement or conflict
Example
The two departments have been **at loggerheads** over the new policy.
这两个部门在新政策上存在强烈的分歧。
idiom

a people person

喜欢与他人在一起并交谈的人
Meaning
someone who enjoys being with and talking to other people
Example
Maria is **a people person**, she makes friends everywhere she goes.
玛丽亚是一个善于交际的人，她到哪里都能交到朋友
idiom

a chain is only as strong as its weakest link

一个团体的力量取决于最弱的成员
Meaning
the strength of a group depends on the weakest member
Example
In any team, **a chain is only as strong as its weakest link**.
在任何团队中，**链条的强度取决于最弱的环节**。
idiom

across the board

同样影响每个人或每件事
Meaning
affecting everyone or everything equally
Example
The new tariffs apply **across the board** to all imported goods.
新的关税同样适用于所有进口商品。
idiom

At the forefront

处于某个领域的领先或重要位置
Meaning
being in a leading or important position in a field
Example
The research center is **at the forefront** of renewable energy studies.
研究中心在可再生能源研究的**最前沿**。
idiom

ahead of the pack

比竞争对手更成功
Meaning
to be more successful than competitors
Example
Her innovative ideas always keep her **ahead of the pack**.
她的创新想法总是让她保持在竞争对手之前。
idiom

a weight off your shoulders

从处理压力情境后的解脱
Meaning
relief after dealing with a stressful situation
Example
Finishing the project felt like **a weight off my shoulders**.
完成这个项目就像把肩上的重担卸下来。
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 blank slate

一个没有任何先前知识或经验的人
Meaning
a person with no prior knowledge or experience
Example
He came to the school like a **blank slate**.
他像一张**空白纸**一样来到学校。
idiom

a little bird told me

有人悄悄告诉我某些事情
Meaning
someone told me something secretly
Example
A **little bird told me** that you got a new job.
一只**小鸟告诉我**你找到了新工作。
idiom

act on

根据信息采取行动
Meaning
to respond to information with action
Example
We need to **act on** the survey results immediately.
我们需要立即对调查结果采取行动。
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 no-brainer

非常容易理解或决定的事情
Meaning
something that is very easy to understand or decide
Example
The solution to the problem was **a no-brainer**.
问题的解决方案是**非常简单的**。
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 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

A bright future lies ahead

未来充满成功的希望
Meaning
there is hope for success in the future
Example
With his talent and hard work, **a bright future lies ahead** for him.
凭借他的才华和努力工作，**他有一个光明的未来在等待**。
idiom

A true friend is the greatest of all blessings

真正的朋友是最大的祝福
Meaning
A true friend is the most valuable gift one can have
Example
I consider myself lucky to have you as my friend. **A true friend is the greatest of all blessings**.
我认为自己很幸运能有你这样的朋友。**真正的朋友是最大的祝福。**
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 slippery slope

一个看似导致不良或危险后果的行动
Meaning
a course of action that seems to lead to undesirable or dangerous consequences
Example
Starting to ignore small violations can lead to **a slippery slope** of bigger legal issues.
开始忽视小的违规行为可能会导致 **一个滑坡** 更大的法律问题。
idiom

A tough row to hoe

一项难以处理的任务或情况。
Meaning
A difficult task or situation to handle.
Example
Starting a new business is **a tough row to hoe**.
创业是一项难以处理的任务。
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

A solid foundation

一个强大且可靠的基础或起点。
Meaning
A strong and reliable base or starting point.
Example
The success of this company is built on a **solid foundation** of hard work and dedication.
这家公司的成功建立在**坚实的基础**上，靠的是辛勤工作和奉献精神。
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

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 bone of contention

一个分歧或争议的主题
Meaning
a subject of disagreement or dispute
Example
Money has always been **a bone of contention** between them.
钱一直是他们之间的**争议点**。
idiom

algorithm

一组解决问题或执行任务的规则或指令
Meaning
a set of rules or instructions for solving a problem or performing a task
Example
The **algorithm** sorts the data into categories.
**算法** 将数据分类。
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。
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

adapt to change

适应新的环境或情况
Meaning
to adjust to new circumstances or environments
Example
In order to succeed, you must learn to **adapt to change**.
为了成功，你必须学会适应变化。
idiom

android-like

像机器人一样没有情感或机械地行动
Meaning
acting emotionless or mechanical like a robot
Example
He works in an **android-like** manner, without any emotion.
他以**android-like**的方式工作，没有任何情感。
idiom

a stroke of genius

一个辉煌和富有创意的想法
Meaning
a brilliant and creative idea
Example
Her design was **a stroke of genius**.
她的设计是**天才之作**。
idiom

A bird in the hand is worth two in the bush

拥有的东西比冒险失去它去争取更好的东西要好。
Meaning
It’s better to hold onto something you have than risk losing it by trying to get something better.
Example
I decided to keep the job offer I already have because **a bird in the hand is worth two in the bush**.
我决定保留我已经收到的工作邀请，因为**一鸟在手胜过两鸟在林**。
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

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

at ease

感到放松和舒适
Meaning
feeling relaxed and comfortable
Example
He felt completely **at ease** in the quiet garden.
他在安静的花园里感到完全放松
idiom

a house divided against itself cannot stand

一个团体或组织在意见或方向上分裂，无法成功
Meaning
a group or organization that is divided in opinion or direction cannot succeed
Example
In a team, **a house divided against itself cannot stand**; everyone needs to agree on the same goal.
在一个团队里，**一间房子分对自己并不能站立**; 每个人都应该对同一个目标共识。
idiom

all in good time

一切都会按时发生；保持耐心
Meaning
something will happen eventually; be patient
Example
**All in good time**, you’ll see the results soon.
一切都会按时发生，你很快就能看到结果。
idiom

a breakthrough

在科学或研究中取得的重要发现或成就
Meaning
a significant discovery or achievement in science or research
Example
The team made **a breakthrough** in cancer research.
团队在癌症研究中取得了突破。
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 slow learner

一个理解或学习事物较慢的人
Meaning
someone who takes time to understand or learn things
Example
Don’t worry if you need more time—you’re just **a slow learner**.
如果你需要更多时间，别担心——你只是一个**慢学习者**。
idiom

a piece of cake

非常容易做的事情
Meaning
something that is very easy to do
Example
The exam was **a piece of cake** for me.
这次考试对我来说是**小菜一碟**。
idiom

At a snail’s pace

非常慢。
Meaning
Very slowly.
Example
The traffic was moving **at a snail’s pace**.
交通以**蜗牛的速度**行驶。
idiom

ahead of the curve

比别人更先进或创新
Meaning
to be more advanced or innovative than others
Example
Their company is **ahead of the curve** in AI development.
他们的公司在人工智能开发中领先。
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

all in the same boat

处于相同的情况或面临相同的挑战
Meaning
in the same situation or facing the same challenges
Example
We're all **in the same boat**, so let's work together to solve this problem.
我们都**在同一条船上**，所以让我们一起合作解决这个问题。
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

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 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

a bug in the system

程序或系统中的问题或错误
Meaning
a problem or error in a program or system
Example
There seems to be **a bug in the system** causing slow performance.
似乎 **系统中有一个bug**，导致性能缓慢。
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

a miscarriage of justice

法院作出的错误或不公平的决定
Meaning
a wrong or unfair decision by a court
Example
The innocent man’s imprisonment was **a miscarriage of justice**.
无辜男子的监禁是**司法的不公**。
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

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 bundle of joy

某人或某物带来巨大的幸福
Meaning
someone or something that brings great happiness
Example
Their new baby is **a bundle of joy** for the family.
他们的新宝宝是家庭的**快乐源泉**。
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 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 drop in the ocean

与所需相比非常少的量
Meaning
a very small amount compared to what is needed
Example
The money they raised was just **a drop in the ocean** compared to the total cost.
他们筹集的钱与总成本相比只是大海中的一滴水。
idiom

a light at the end of the tunnel

表示情况很快会有所改善的迹象；在困难情况下的希望
Meaning
a sign that a situation will improve soon; hope in a difficult situation
Example
After months of hard work, she finally saw **a light at the end of the tunnel**.
经过几个月的努力工作后，她终于看到了**隧道尽头的光**。
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

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

a masterpiece

一件杰出的艺术作品或成就
Meaning
an outstanding work of art or achievement
Example
Her latest sculpture is truly **a masterpiece**.
她的最新雕塑真的是**一件杰作**。
idiom

A Faustian bargain

为权力或成功而牺牲道德完整性的交易。
Meaning
A deal where one sacrifices moral integrity for power or success.
Example
Signing that contract was **a Faustian bargain** for him.
签署那份合同对他来说是一个福斯蒂安交易。
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

a rising tide of opportunity

有利于许多人增长或成功的机会的增加
Meaning
an increase in opportunities for growth or success that benefits many people
Example
The new technology sector is creating **a rising tide of opportunity** for young entrepreneurs.
新技术领域正在为年轻的企业家创造 **a rising tide of opportunity**。
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 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 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

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 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

a social butterfly

一个非常社交并且喜欢与人见面的人
Meaning
someone who is very social and enjoys meeting people
Example
He’s **a social butterfly**, always at some event or gathering.
他是**社交蝴蝶**，总是在某个活动或聚会上。
idiom

Above reproach

完全诚实且没有缺陷。
Meaning
Completely honest and without fault.
Example
Her integrity is **above reproach**.
她的诚信无可挑剔。
idiom

A blueprint for success

实现成功的详细计划或策略。
Meaning
A detailed plan or strategy for achieving success.
Example
Hard work and consistency are **a blueprint for success**.
努力工作和坚持是成功的蓝图。
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 storybook ending

一个完美或幸福的结局，就像童话故事一样
Meaning
a perfect or happy ending, like in a fairy tale
Example
Their wedding was a true **storybook ending**.
他们的婚礼真是一个童话般的结局。
idiom

A nervous wreck

一个非常担心或不安的人。
Meaning
Someone who is very worried or upset.
Example
He’s **a nervous wreck** before every exam.
他在每次考试前都是**一个紧张的残骸**。
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 tough cookie

一个强大的人，不容易被打扰
Meaning
someone who is strong and not easily upset
Example
She’s **a tough cookie**; nothing can discourage her.
她是**a tough cookie**; 没有什么可以让她灰心。
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 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

ask around

向多个人询问
Meaning
to inquire with several people
Example
I’ll **ask around** to see who can cover the shift.
我会 **向多个人询问** 看谁能替我顶班。
idiom

alien invasion

某物的突然到来或压倒性的存在感
Meaning
a sudden arrival or overwhelming presence of something unfamiliar
Example
The mall felt like an **alien invasion** during the sale.
商场在促销期间感觉就像是**外星人入侵**。
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

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 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

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

around the clock

全天候; 连续不断
Meaning
all day and all night; continuously
Example
Doctors worked **around the clock** to save the patients.
医生们全天候工作，抢救病人。
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

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

a double-edged sword

既有正面又有负面后果的事物
Meaning
something that has both positive and negative consequences
Example
The internet is **a double-edged sword**; it provides vast information but also exposes us to privacy risks.
互联网是**a double-edged sword**; 它提供了大量的信息，但也使我们面临隐私风险。
idiom

a thorn in one's side

不断的烦恼或问题的来源
Meaning
a constant source of annoyance or trouble
Example
The trade dispute has become **a thorn in our side**.
贸易争端已成为**我们侧面的刺**。
idiom

a blast from the past

某些让你想起过去的事物
Meaning
something that reminds you of an earlier time
Example
Seeing that old photo album was **a blast from the past**.
看到那本旧相册真的是**来自过去的爆炸**。
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 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

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

a rock in a hard place

处于非常困难或具有挑战性的情况
Meaning
to be in a very difficult or challenging situation
Example
He found himself **a rock in a hard place** when he had to choose between two difficult options.
当他必须在两个困难的选项之间做出选择时，他发现自己身处**a rock in a hard place**。
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

a leopard can't change its spots

一个人不能改变他们与生俱来的本性或特征
Meaning
someone cannot change their inherent nature or characteristics
Example
No matter how hard he tries, **a leopard can't change its spots**.
不管他怎么努力，一只豹子不能改变它的斑点。