a breakthrough
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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

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

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 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 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 little knowledge is a dangerous thing

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

an 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 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**。
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

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

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 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 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 fool and his money are soon parted

那些不小心管理自己钱财的人，很快就会失去它
Meaning
people who are careless with their money will lose it quickly
Example
He spent all his money on useless gadgets; **a fool and his money are soon parted**.
他把所有的钱都花在了无用的电子产品上；**傻瓜和他的钱很快就会分开**。
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 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

as luck would have it

碰巧；幸运或不幸
Meaning
by chance; fortunately or unfortunately
Example
**As luck would have it**, I met my old friend at the airport.
碰巧，我在机场遇见了我的老朋友。
idiom

A bundle of nerves

极度焦虑或紧张。
Meaning
To be extremely anxious or tense.
Example
Before the presentation, she was **a bundle of nerves**.
在演讲之前，她是 **一团神经**。
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

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 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

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 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 smoke-filled room

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

a bolt from the blue

突然和意想不到的事件或消息
Meaning
a sudden and unexpected event or news
Example
His resignation came **like a bolt from the blue**.
他的辞职就像晴天霹雳一样。
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 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 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 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 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

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

after the rain comes the rainbow

好时光跟随坏时光之后而来
Meaning
good times follow bad times
Example
Don’t lose faith; **after the rain comes the rainbow**.
别失去信心; **雨后总会有彩虹**。
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

An ear to the ground

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

a fresh start

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

against all odds

尽管困难重重
Meaning
despite great difficulties or challenges
Example
She succeeded **against all odds** and became a doctor.
她克服重重困难，最终成为医生。
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 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 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 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 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

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

at war with oneself

内心挣扎或冲突
Meaning
to be conflicted or struggling internally
Example
She is **at war with herself** about the decision to move abroad.
她在**与自己作战**，关于是否搬到国外的决定。
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

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 dark horse

一个在重要时刻之前保守技能或计划的人
Meaning
a person who keeps their skills or plans secret until an important moment
Example
Nobody expected her to win; she was **a dark horse**.
没有人预料到她会赢；她是**一匹黑马**。
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

apology accepted

用于表示你原谅某人
Meaning
used to say that you forgive someone
Example
Don’t worry, **apology accepted**.
别担心，原谅了
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 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

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 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**。
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

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 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 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

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

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 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

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 truth universally acknowledged

一个普遍接受的真理。
Meaning
A widely accepted truth or belief.
Example
**A truth universally acknowledged** is that honesty is important.
**一个普遍接受的真理** 是诚实很重要。
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 good Samaritan

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

a weak link

系统或小组中最不可靠或最不安全的部分
Meaning
the least reliable or secure part of a system or group
Example
One careless employee can be **a weak link** in the security chain.
一个不小心的员工可能是安全链中的**薄弱环节**。
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 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 dead-end job

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

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 figure of speech

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

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

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

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

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

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

Ask a million questions

非常好奇，问很多问题。
Meaning
To be extremely curious and ask many questions.
Example
Kids often **ask a million questions** about everything.
孩子们常常问**一百万个问题**关于一切。
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

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 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 peaceful resolution

一个平静地解决冲突的方案
Meaning
a solution that resolves a conflict calmly
Example
They reached **a peaceful resolution** after several discussions.
经过几次讨论，他们达成了**和平解决方案**。
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

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**。
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

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 few bricks short of a load

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

a 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

a fair trial

一个所有方都被平等和公正对待的审判
Meaning
a trial where all sides are treated equally and justly
Example
The defendant demanded **a fair trial** to prove his innocence.
被告要求**一个公正的审判**来证明他的无辜。
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

architectural eye candy

某些在视觉上吸引人但可能缺乏实质或功能的东西
Meaning
something that is visually appealing but may lack substance or functionality
Example
The new skyscraper in the city is just **architectural eye candy**.
这座城市的新摩天大楼只是**建筑眼睛糖果**。
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

against the odds

尽管有许多困难或挑战仍然成功
Meaning
to succeed despite many difficulties or challenges
Example
They won the game **against all odds**, proving their hard work paid off.
他们**克服一切困难**赢得了比赛，证明了他们的努力得到了回报。
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

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

AI arms race

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

a 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 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 rip-off

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

a 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

A seat at the table

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

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

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

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

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 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 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 silver lining

在困难情况下的积极方面
Meaning
a positive aspect in a difficult situation
Example
Losing my job was tough, but the **silver lining** was that I found a better one.
失去工作很困难，但**silver lining**是我找到了更好的工作。
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 wolf in sheep's clothing

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

a 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 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 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

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 friend is a treasure

一个真正的朋友是无价和珍贵的。
Meaning
A true friend is invaluable and precious.
Example
I've known her for years, and she's always been there for me; **a friend is a treasure**.
我认识她好多年了，她一直都在我身边；**朋友就是宝藏**。
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 bridge too far

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

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 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 cut above

比其他人更好；在质量或能力上更强
Meaning
better than others; superior in quality or ability
Example
Her work is **a cut above** the rest.
她的工作 **远超他人**。
idiom

answer for something

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

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 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。