aim high
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All Types idiom phrasal-verb proverb
Content locale
EN 英语 BN 孟加拉语 HI 印地语 ES 西班牙语 FR 法语 DE 德语 RU 俄语 ZH 中文 JA 日语
All Expression Cards All Expressions
idiom

aim high

设定具有挑战性和雄心的目标
Meaning
to set challenging and ambitious goals
Example
Always **aim high** if you want to achieve greatness.
如果你想取得伟大成就，始终要**志存高远**。
idiom

a match made in heaven

天造地设的一对，非常适合彼此
Meaning
a perfect couple, very well suited for each other
Example
They are truly **a match made in heaven**.
他们真的是天造地设的一对。
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 gift from the heavens

一种祝福或非常特别的东西
Meaning
a blessing or something very special
Example
Her support during the tough times was **a gift from the heavens**.
她在困难时刻的支持是来自天堂的礼物。
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 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 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

artificial empathy

人工智能模仿或模拟人类情感的能力
Meaning
AI's ability to simulate or mimic human emotions
Example
The robot therapist shows **artificial empathy** during sessions.
机器人治疗师在会话中展示**人工同理心**。
idiom

apple of one’s eye

一个被珍视超过其他人的人
Meaning
someone who is cherished above others
Example
Her little son is the **apple of her eye**.
她的小儿子是她眼中的**苹果**。
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

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

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 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

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

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 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 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

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

automate the process

通过使用技术使过程自动运行
Meaning
to make a process operate automatically using technology
Example
We need to **automate the process** to save time and cost.
我们需要**自动化过程**以节省时间和成本。
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

as happy as a clam

感到完全快乐和满足
Meaning
feeling completely happy and content
Example
After a long vacation, he was **as happy as a clam**.
长假之后，他感到非常快乐。
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 battle of wits

一个人们用智慧或聪明才智相互较量的比赛或情况。
Meaning
A contest or situation where people use intelligence or cleverness to outsmart each other.
Example
The negotiations were a true **battle of wits** between the two leaders.
这次谈判是两位领导人之间真正的**智慧较量**。
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 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 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

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 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 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 piece of the puzzle

更大情况或问题的小部分
Meaning
a small part of a larger situation or problem
Example
Finding the right team is just **a piece of the puzzle** in creating a successful business.
找到合适的团队只是创建成功企业中的**一块拼图**。
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

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 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 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 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 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

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

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 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

a chatterbox

一个说很多话的人，特别是一个孩子
Meaning
someone who talks a lot, especially a child
Example
My little sister is **a chatterbox**; she never stops talking.
我的妹妹是 **话痨**；她从不停止说话。
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 work of art

非常美丽或巧妙制作的东西
Meaning
something very beautiful or skillfully made
Example
Her wedding dress was truly **a work of art**.
她的婚纱真的是**一件艺术品**。
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 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

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

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 sound bite

演讲或采访中简短、易记的部分，常用于媒体
Meaning
a short, memorable part of a speech or interview often used in the media
Example
The politician's **sound bite** was replayed on every major news channel.
政治家的**摘录**在所有主要新闻频道上重复播放。
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

A Jekyll and Hyde

一个人格中有两个完全不同面的人。
Meaning
A person with two very different sides to their personality.
Example
He’s like **a Jekyll and Hyde**—nice one moment and cruel the next.
他就像一个杰基尔与海德——一会儿温柔，一会儿残酷。
idiom

add insult to injury

让糟糕的情况变得更糟
Meaning
to make a bad situation even worse
Example
First, they lost the game, and then, to **add insult to injury**, their bus broke down.
首先，他们输了比赛，然后，**雪上加霜**，他们的公交车坏了。
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

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 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

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 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 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

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

art imitates life

艺术反映真实生活的经历或真理
Meaning
art reflects real-life experiences or truths
Example
**Art imitates life**, and great artists capture that essence.
**艺术模仿生活**，伟大的艺术家捕捉到这一本质。
idiom

at the cutting edge

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

at the 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 catnap

小睡一会儿
Meaning
a short, light sleep
Example
I took **a catnap** after lunch.
我在午饭后小睡了一会儿。
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

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

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

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

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

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

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 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 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

alive and kicking

仍然健康，充满活力
Meaning
still healthy and full of life
Example
My grandmother is 90 but still **alive and kicking**.
我的祖母已经90岁了，但仍然**充满活力**。
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 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 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 picture is worth a thousand words

一张图片可以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
That photo truly proves that **a picture is worth a thousand words**.
那张照片真正确认了**一张图片胜过千言万语**
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

an open book

一个容易理解或非常诚实的人
Meaning
someone who is easy to understand or very honest
Example
He’s **an open book**; you can always tell what he’s thinking.
他是一本打开的书；你总能知道他在想什么。
idiom

a go-getter

一个非常有活力并且决心成功的人
Meaning
someone who is very energetic and determined to succeed
Example
He’s **a go-getter** who never gives up on his goals.
他是一个**go-getter**，从不放弃他的目标。
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

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

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

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 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 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

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 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

A pack of lies

一整套虚假的陈述。
Meaning
A complete set of false statements.
Example
His excuse was nothing but **a pack of lies**.
他的借口不过是**一包谎言**。
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

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 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 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

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 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

a roller coaster of emotions

经历强烈且波动的情感
Meaning
experiencing intense and fluctuating emotions
Example
Her life has been **a roller coaster of emotions** since the accident.
自从事故以来，她的生活就像一场情感过山车。
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。
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

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 blank canvas

可以自由发展的一个人或情况
Meaning
a person or situation that can be developed freely
Example
Starting a new project is like working with **a blank canvas**.
开始一个新项目就像与**一张空白画布**一起工作。
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

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

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

A goal without a plan is just a wish

没有明确计划的目标成功的可能性很小。
Meaning
Having a goal without a clear plan makes it unlikely to succeed.
Example
Don’t just dream, remember **a goal without a plan is just a wish**.
不要只做梦，记住**没有计划的目标只是一个愿望**。
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

anchors aweigh

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

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 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 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。
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 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

As green as grass

非常没有经验或刚开始做某事。
Meaning
Very inexperienced or new at something.
Example
He’s **as green as grass** in his new job.
他在新工作中完全没有经验。
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

An arm and a leg

非常昂贵的东西。
Meaning
Something that is very expensive.
Example
That new phone costs **an arm and a leg**, but it’s worth it.
那部新手机 **非常昂贵**，但它值得。
idiom

as easy as ABC

非常容易做或理解
Meaning
very easy to do or understand
Example
For him, solving math problems is **as easy as ABC**.
对他来说，解决数学问题非常容易。
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

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

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 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 debt of gratitude

对帮助过你的人心存感激的感觉
Meaning
a feeling of being grateful to someone who has helped you
Example
We owe **a debt of gratitude** to our mentors.
我们对我们的导师欠有**一笔感激之债**
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

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

at breaking point

如此紧张或疲惫，几乎无法应对
Meaning
so stressed or tired that one can hardly cope
Example
After working 80 hours this week, she’s **at breaking point**.
这周工作80小时后，她已经**处于崩溃边缘**。