a bug in the system
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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 heavy heart

深深的悲伤或痛苦的感觉
Meaning
a feeling of deep sadness or sorrow
Example
She left her hometown with **a heavy heart**.
她带着沉重的心情离开了她的家乡。
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 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 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

against the ropes

处于困难的情况或接近失败
Meaning
in a difficult situation or near defeat
Example
The company was **against the ropes**, but it managed to recover.
公司陷入困境，但设法恢复了。
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

a full plate

非常忙或有很多事情要做
Meaning
to be very busy or have many things to do
Example
I can’t join the trip now; I’ve got **a full plate**.
我现在不能参加旅行；我有**很多事情要做**。
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

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

at the end of your rope

极度沮丧，已没有耐心
Meaning
to be extremely frustrated and have no patience left
Example
After dealing with delays all day, she was **at the end of her rope**.
在整天应对延迟之后，她已经到了极限。
idiom

act out

通过行动来表现或表达情感
Meaning
to perform or express emotions through actions
Example
Children often **act out** their frustrations.
孩子们经常通过行动来表现他们的挫折感。
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

at sixes and sevens

处于混乱或无序的状态
Meaning
in a state of confusion or disorder
Example
After the renovation, the office was **at sixes and sevens** for weeks.
翻新后，办公室有好几个星期都处于 **混乱或无序的状态**。
idiom

algorithmic trading

使用算法在金融市场中实现自动化交易
Meaning
the use of algorithms to automate trading in financial markets
Example
Banks are increasingly using **algorithmic trading** to optimize their investments.
银行越来越多地使用**算法交易**来优化他们的投资。
idiom

a run on the bank

由于担心银行倒闭，许多人从银行提取他们的钱
Meaning
a situation where many people withdraw their money from a bank due to fear of collapse
Example
Rumors of insolvency caused **a run on the bank**.
破产的传闻引发了**银行挤兑**。
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

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

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 penny saved is a penny earned

节省钱就像赚取钱一样有价值
Meaning
saving money is just as valuable as earning it
Example
My grandfather always said, '**a penny saved is a penny earned**.'
我的祖父总是说，'一分钱省下就是一分钱赚到。'
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

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

a law unto oneself

一个独立行事、不理会规则的人
Meaning
someone who acts independently and ignores rules
Example
He’s **a law unto himself**, never following company policies.
他是一个特立独行的人，从不遵守公司的规定。
idiom

a change of heart

某人的意见或情感的变化
Meaning
a change in one’s opinion or feelings
Example
She had **a change of heart** and decided to stay.
她有了**改变主意**，决定留下来。
idiom

a slap on the wrist

一种非常轻微的惩罚
Meaning
a very mild punishment
Example
He got **a slap on the wrist** for such a serious offense.
他因如此严重的罪行而得到了**一种非常轻微的惩罚**。
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

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

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

alien concept

一些陌生或奇怪的东西
Meaning
something unfamiliar or strange
Example
Honesty seems like an **alien concept** to him.
诚实对他来说就像一个**外星概念**。
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

a fine line

两者之间的差异非常小
Meaning
a very small difference between two things
Example
There’s **a fine line** between genius and madness in art.
在艺术中，天才和疯狂之间有**一条细线**。
idiom

AI accountability

开发者和组织的责任是确保人工智能系统公平、安全和道德地运作。
Meaning
the responsibility of developers and organizations to ensure AI systems act fairly, safely, and ethically.
Example
Ensuring **AI accountability** is essential to avoid harmful consequences in society.
确保**AI 责任**对于避免社会中有害的后果至关重要。
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

a problem shared is a problem halved

讨论问题让它更容易解决
Meaning
discussing a problem makes it easier to solve
Example
Don't hesitate to ask for help. **A problem shared is a problem halved**.
不要犹豫请求帮助。**一个共享的问题是一个减轻的问题**。
idiom

A flash of inspiration

突如其来的创意
Meaning
A sudden creative idea
Example
He had **a flash of inspiration** while working late at night.
他在深夜工作时有了**灵感的闪现**。
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 stroke of luck

偶然发生的好运
Meaning
something good that happens by chance
Example
It was **a stroke of luck** that I found my lost wallet.
我找到丢失的钱包真是**一场幸运**。
idiom

a bumper crop

异常丰收
Meaning
an unusually large harvest
Example
Farmers are happy this year because of **a bumper crop** of rice.
农民们今年很高兴，因为**丰收的稻米**。
idiom

at your wits' end

担心或压力大到不知道该做什么
Meaning
to be so worried or stressed that you don’t know what to do
Example
I’m **at my wits’ end** trying to finish all this work.
我现在**在我的极限**，试图完成所有这些工作。
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 glimmer of hope

在困难的情况下改善或成功的微小迹象
Meaning
a small sign of improvement or success in a difficult situation
Example
Even in the hardest times, he never gave up because there was always **a glimmer of hope**.
即使在最艰难的时期，他也从未放弃，因为总有**一线希望**。
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 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 ray of hope

可能成功或改善的一个小迹象
Meaning
a small sign of possible success or improvement
Example
The new treatment gave patients **a ray of hope**.
新的治疗给患者带来了**希望的光芒**。
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 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 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 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

a close call

一个灾难或事故险些发生的情况。
Meaning
A situation where a disaster or accident was narrowly avoided.
Example
That was **a close call** — the car almost hit us!
那真是**千钧一发** — 车差点撞到我们！
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

A giant leap

一个重要的进步或成就。
Meaning
A significant advancement or achievement.
Example
Landing on the moon was **a giant leap** for mankind.
登月是人类的一大飞跃。
idiom

an out of this world experience

一种非凡或特殊的经历
Meaning
an extraordinary or exceptional experience
Example
The view from the space station was truly **an out of this world experience**.
从空间站看到的景象真是**一种超凡的经历**。
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

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

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 negative outlook

悲观的态度或观点
Meaning
A pessimistic attitude or perspective
Example
He always has **a negative outlook** on life.
他对生活总是持悲观态度。
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

Ask the right questions

提出正确的问题以获得理解。
Meaning
To inquire wisely to gain understanding.
Example
Good researchers always **ask the right questions**.
好的研究者总是问对问题。
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

answer the call

回应责任或机会
Meaning
to respond to a responsibility or opportunity
Example
He was ready to **answer the call** and take charge of the project.
他准备好**回应挑战**并接管该项目。
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

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 spark of genius

一个突然和杰出的想法
Meaning
a sudden and brilliant idea
Example
Her **spark of genius** helped us solve the problem quickly.
她的**天才火花**帮助我们迅速解决了问题。
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 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 step in the right direction

朝着目标前进的小行动
Meaning
a small action that leads to progress towards a goal
Example
Completing the first phase of the project is definitely **a step in the right direction**.
完成项目的第一阶段无疑是 **a step in the right direction**。
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 man of his word

一个信守诺言的人
Meaning
a person who keeps their promises
Example
He’s **a man of his word**, you can trust him.
他是一个信守诺言的人，你可以信任他。
idiom

a clean slate

一个崭新的开始; 有机会重新开始，而不犯以前的错误
Meaning
a fresh start; an opportunity to begin again without past mistakes
Example
He moved to a new city for **a clean slate**.
他为了**全新的开始**搬到了一个新城市。
idiom

A bright future awaits

美好的事情即将到来
Meaning
good things are coming ahead
Example
Despite the challenges, a **bright future awaits** you.
尽管面临挑战，**光明的未来在等待你**。
idiom

A political animal

一个非常感兴趣并且有才华的人
Meaning
A person who is very interested in politics and has a talent for it
Example
He’s known to be a real **political animal**.
他以一个真正的**政治动物**而闻名。
idiom

a chapter of one’s life

人生中的一个阶段或时期
Meaning
a period or stage in someone’s life
Example
Leaving college was the end of an important **chapter of her life**.
离开大学是她人生中一个重要篇章的结束。
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

Apple of my eye

某人你深深地爱着。
Meaning
Someone you love dearly.
Example
Her son is the **apple of her eye**.
她的儿子是她的**眼中钉**。
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

as far as I'm concerned

用于表达一个人对某事的个人看法或感受
Meaning
used to express one’s personal opinion or feeling about something
Example
**As far as I'm concerned**, he did a great job.
就我而言，他做得很好。
idiom

an apple a day keeps the doctor away

健康的饮食有助于保持健康
Meaning
eating healthy food helps you stay well
Example
My mom always says, '**An apple a day keeps the doctor away**.'
我妈妈总是说，'每天一个苹果能让医生远离。'
idiom

a man of integrity

一个诚实且道德上正直的人
Meaning
someone who is honest and morally upright
Example
He is known as **a man of integrity** in the business world.
他在商业世界中被称为一个有正直的人。
idiom

a man of faith

一个坚信某个宗教或原则的人
Meaning
a person who strongly believes in a particular religion or principle
Example
He is known as **a man of faith** in his community.
他在他的社区被称为**信仰之人**。
idiom

As I see it

根据我的理解或意见
Meaning
According to my understanding or opinion
Example
As I see it, we need to try a different strategy.
在我看来，我们需要尝试不同的策略。
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 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 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

afraid of your own shadow

容易受惊的人
Meaning
to be easily frightened
Example
He’s so timid; he’s **afraid of his own shadow**.
他非常胆小，连自己的影子都害怕。
idiom

a wake-up call

一个让人意识到需要改变的事件
Meaning
an event that makes someone realize they need to change
Example
Losing his job was a **wake-up call** for him.
失业对他来说是一个警钟。
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 Eureka moment

突然的发现或顿悟时刻
Meaning
a moment of sudden discovery or realization
Example
He had **a Eureka moment** when he solved the equation.
他在解决方程时经历了**尤里卡时刻**。
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 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 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

acid test

一个关键测试，证明某物的价值或成功
Meaning
a crucial test that proves the value or success of something
Example
The product launch will be the **acid test** of our new design.
产品发布将是我们新设计的**酸性测试**。
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

adapt or perish

为了生存，必须适应新的条件
Meaning
to survive, one must adjust to the new conditions
Example
In the business world, it's all about **adapt or perish**.
在商业世界中，一切都与**适应或灭亡**有关。
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 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 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

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 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

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 clear conscience

一种没有罪恶感或后悔的状态
Meaning
a state of being free from guilt or regret
Example
She could sleep soundly at night because she had **a clear conscience**.
她晚上能安然入睡，因为她有一颗清白的良心。
idiom

a political football

一个被政治家用来为自己谋取利益的问题
Meaning
an issue used by politicians for their own advantage
Example
Healthcare has become **a political football** in the country.
医疗保健已经成为国家中的**政治足球**。
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 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

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 ray of sunshine

给人带来幸福的人或事
Meaning
someone or something that brings happiness
Example
Her smile is **a ray of sunshine** on a gloomy day.
她的笑容是**阴暗日子里的阳光**。
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 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

ace a test

在考试中表现极好
Meaning
to do extremely well on a test
Example
He studied hard and managed to **ace the test**.
他努力学习，并成功地 **通过了考试**。
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 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

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 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 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

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 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

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 happy camper

一个对生活感到满足和满足的人
Meaning
a person who is content and satisfied with life
Example
After getting the job, he’s been **a happy camper**.
得到这份工作后，他一直是一个**快乐的露营者**。
idiom

at your breaking point

由于压力而接近失控的边缘
Meaning
to be very close to losing control due to stress
Example
After months of overwork, she was **at her breaking point**.
经过几个月的超时工作后，她已经**接近崩溃的临界点**。
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

An old friend is better than two new ones

长时间的朋友比新朋友更有价值
Meaning
Long-time friends are more valuable than new ones.
Example
I trust John more than anyone else—**an old friend is better than two new ones**.
我比任何人都更信任约翰—**一个老朋友比两个新朋友更好**。