a mind is a terrible thing to waste
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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**。
phrasal-verb

add up

计算总费用或金额
Meaning
to calculate the total cost or amount
Example
Before shopping, I like to **add up** all my expenses.
在购物之前，我喜欢把所有的开销加起来。
phrasal-verb

aim at

有一个特定的目标或目的
Meaning
to have a particular goal or purpose
Example
This research **aims at** improving online education quality.
这项研究旨在提高在线教育质量。
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 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

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

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 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

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

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

after the storm comes the calm

风暴之后是平静
Meaning
peace follows a period of trouble
Example
Stay patient; **after the storm comes the calm**.
保持耐心；**风暴过后，平静来临**。
phrasal-verb

aim for excellence

努力达到最好的结果
Meaning
to try to achieve the best possible results
Example
Always **aim for excellence** instead of settling for average results.
始终**追求卓越**，而不是满足于平庸的结果
idiom

a pipe dream

一个不现实或不可能的梦想
Meaning
an unrealistic or impossible dream
Example
Owning a private island is just **a pipe dream** for most people.
拥有一个私人岛屿对大多数人来说只是 **一个不现实的梦想**。
idiom

air out

让新鲜空气进入空间
Meaning
to let fresh air into a space
Example
Open the windows to **air out** the room.
打开窗户让房间通风
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 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 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

at the helm

处于领导或控制位置
Meaning
in a position of leadership or control
Example
With her **at the helm**, the company has grown rapidly.
在她的**掌舵下**，公司迅速成长。
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

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

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 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 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

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 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 hard row to hoe

一个困难的任务或挑战。
Meaning
A difficult task or challenge.
Example
Getting this project done on time is going to be **a hard row to hoe**.
按时完成这个项目将是 **一个困难的任务**。
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

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。
idiom

adapt to new circumstances

适应新的情况或变化
Meaning
to adjust oneself to new situations or changes
Example
In order to survive in the changing world, we need to **adapt to new circumstances**.
为了在不断变化的世界中生存，我们需要**适应新的情况**。
idiom

a turning point

一个重要变化发生的时刻
Meaning
a moment when an important change happens
Example
Graduating from college was a **turning point** in his life.
从大学毕业是他人生中的一个**转折点**。
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。
phrasal-verb

adapt through

通过接触新的经验改变行为或习惯
Meaning
to change behavior or habits because of exposure to new experiences
Example
She managed to **adapt through** constant interaction with locals.
她通过与当地人不断互动成功地适应了。
phrasal-verb

average out at

在一段时间内拥有特定的平均数量或比率
Meaning
to have a particular average amount or rate over a period of time
Example
Inflation **averaged out at** around 4% over the year.
通货膨胀 **平均约** 为 4% 在一年内。
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 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

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

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 storm in a teacup

一个被夸大的小问题
Meaning
a small problem that is exaggerated
Example
Their argument was just **a storm in a teacup**.
他们的争论只是**茶杯里的风暴**。
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

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

at peace with oneself

感到平静并接受自己
Meaning
feeling calm and accepting of oneself
Example
She felt **at peace with herself** after making the decision.
做出决定后，她感到**与自己和解**。
phrasal-verb

accept yourself as

接受并与自己的真实自我和解
Meaning
to recognize and be at peace with who you are
Example
You grow emotionally when you **accept yourself as** you truly are.
当你接受真实的自己时，你在情感上成长。
idiom

A stitch in time saves nine

尽早解决一个小问题可以防止以后出现更大的问题。
Meaning
Solving a small problem early prevents a bigger problem later.
Example
Fix that leak now — a stitch in time saves nine.
现在就修理那个漏水 — 及时处理可以省下九个问题。
idiom

a dime a dozen

非常常见且不值钱
Meaning
very common and not valuable
Example
Those toys are **a dime a dozen** at the market.
那些玩具在市场上非常常见。
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 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

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

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

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**。
phrasal-verb

ask over

邀请某人到自己家里，通常是为了交谈或道歉
Meaning
to invite someone to your place, often to talk or apologize
Example
He **asked her over** to say sorry for what happened.
他**邀请她过来**为发生的事情道歉。
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 scoop

一条独家的新闻
Meaning
An exclusive piece of news
Example
The journalist got **a scoop** about the minister’s resignation.
记者得到了有关部长辞职的**独家新闻**。
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**。
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 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 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

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 universe of possibilities

无尽的机会或选择
Meaning
endless opportunities or options
Example
Technology has opened **a universe of possibilities**.
技术开启了**无限的可能性**。
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 cold war

没有公开战争的政治敌对状态
Meaning
a state of political hostility without open warfare
Example
The two nations seem to be entering **a cold war** again.
这两个国家似乎又进入了一场冷战。
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！
phrasal-verb

adjust within

为适应新环境进行内部调整
Meaning
to make internal changes to adapt to new conditions
Example
The team had to **adjust within** the department to meet new expectations.
团队必须**适应部门内部**的变化来满足新期望。
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

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。
phrasal-verb

adapt oneself to

调整或改变自己以适应新的文化或环境
Meaning
to adjust or change to fit into a new culture or environment
Example
He quickly **adapted himself to** the local traditions.
他迅速 **适应了** 当地的传统
idiom

A peaceful mind is a happy mind

心境的平静带来幸福和满足。
Meaning
Mental calmness leads to happiness and contentment.
Example
She believes that **a peaceful mind is a happy mind**.
她认为**平静的心灵是幸福的心灵**。
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

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

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 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 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 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。
phrasal-verb

act up to

按照预期或适当的方式行事
Meaning
to behave according to what is expected or suitable
Example
She tries to **act up to** her reputation as a hardworking student.
她努力保持作为一个勤奋学生的良好声誉。
idiom

all work and no play

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

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 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 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。
phrasal-verb

add to

将物品添加到您的在线购物车中
Meaning
to include an item in your online shopping cart
Example
I always **add to** my cart before comparing prices on other websites.
我总是在比较其他网站的价格之前，先将物品添加到购物车。
idiom

as honest as the day is long

完全诚实和值得信赖
Meaning
completely honest and trustworthy
Example
Everyone knows that Tom is **as honest as the day is long**.
每个人都知道汤姆是**像白天一样诚实**。
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 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 fresh as a daisy

精力充沛，一点也不累
Meaning
full of energy and not tired
Example
Even after the hike, she looked **as fresh as a daisy**.
即使徒步旅行之后，她看起来仍然像雏菊一样清新。
phrasal-verb

apologize for

为你做过的事情道歉
Meaning
to say sorry for something you did
Example
She **apologized for** forgetting his birthday.
她为忘记他的生日道歉。
idiom

a kind heart

一个慷慨而关心他人的人
Meaning
a person who is generous and caring
Example
Her **kind heart** is what makes her loved by everyone.
她的**善良的心**使她深受大家喜爱。
idiom

a long shot

成功机会很小的事情
Meaning
something that has a very small chance of success
Example
Winning the competition is **a long shot**, but we’ll try.
赢得比赛的可能性很小，但我们会试试。
phrasal-verb

adapt for

修改或调整某物，使其适合新的文化或目的
Meaning
to modify or adjust something to make it suitable for a new culture or purpose
Example
The book was **adapted for** a film that appealed to global audiences.
这本书被**改编为**一部吸引全球观众的电影。
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

artificial intelligence

机器中人类智能的模拟，编程使其能够思考和学习。
Meaning
The simulation of human intelligence in machines that are programmed to think and learn.
Example
The company has invested heavily in **artificial intelligence** to enhance automation.
公司已经在**人工智能**方面进行了大量投资，以增强自动化。
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。
phrasal-verb

adjust within a team

调整行为以更好地与同事合作
Meaning
to modify behavior to work better with colleagues
Example
New members often need time to **adjust within a team**.
新成员通常需要时间来**在团队中调整**。
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

ace the test

在考试或任务中表现出色
Meaning
to perform extremely well on an exam or task
Example
She **aced the test** and got the highest score.
她**考试通过**并获得了最高分。
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 slip of the tongue

说错了; 无意中说出某些话
Meaning
a spoken mistake; saying something unintentionally
Example
It was just **a slip of the tongue**, I didn’t mean to offend you.
这只是 **口误**，我并不想冒犯你。
B1 idiom

all ears

非常专心地听
Meaning
Listening very attentively
Example
When the teacher started explaining the concept, the students were all ears.
当老师开始解释这个概念时，学生们都非常专心地听着。
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 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

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 thirst for knowledge

渴望学习新事物。
Meaning
A strong desire to learn new things.
Example
He has **a thirst for knowledge** and reads constantly.
他有**对知识的渴望**，并且不断阅读。
idiom

A pretty picture

一个愉快或理想的情况；通常用于讽刺
Meaning
A pleasant or ideal situation; often used ironically
Example
This isn’t **a pretty picture** – we need to fix these problems.
这不是**一幅美丽的画面** – 我们需要解决这些问题。
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 job well done

一项成功完成的任务
Meaning
a task completed with great success
Example
The project was completed ahead of schedule, truly **a job well done**.
项目提前完成，真的**做得很好**。
phrasal-verb

argue with

与某人意见不合或口头争斗
Meaning
to disagree or fight verbally with someone
Example
My brother often **argues with** me about household chores.
我哥哥经常和我**争论**家务事。
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

a splash of color

为了效果而添加的小量明亮颜色
Meaning
a small amount of bright color added for effect
Example
Add **a splash of color** to make the room lively.
添加**一抹色彩**让房间更有生气。
idiom

a tough act to follow

某事如此令人印象深刻，以至于其他人难以匹配或超越
Meaning
something so impressive that others find it hard to match or surpass
Example
His last performance was **a tough act to follow**.
他的最后一次表演是**一个难以超越的精彩表演**。
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 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。
phrasal-verb

act out over stress

因为感到压力山大而表现不佳
Meaning
to behave badly because pressure feels overwhelming
Example
Kids sometimes **act out over stress** when parents pack for long trips.
孩子们有时会**因压力而表现**，当父母为长途旅行打包时。
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

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

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 learning curve

学习新事物的过程，尤其是需要时间和努力的过程
Meaning
the process of learning something new, especially one that requires time and effort
Example
There was a steep **learning curve** when I first started the project.
当我开始这个项目时，有一个陡峭的学习曲线。
idiom

a shot in the arm

给人鼓励或能量的东西
Meaning
something that gives encouragement or energy
Example
The new funding was **a real shot in the arm** for the project.
新的资金对项目来说是**真正的强心针**。
phrasal-verb

aim for

努力实现特定目标
Meaning
to try to achieve a particular goal
Example
You should **aim for** continuous improvement in your work.
你应该**致力于**你工作的持续改进。
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 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 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 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

all smiles

非常开心和愉快
Meaning
very happy and cheerful
Example
He was **all smiles** after hearing the compliment.
听到赞美后，他笑容满面。
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。