a stroke of luck
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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

Out to pasture

让某人或某物退出活跃使用。
Meaning
To retire someone or something from active use.
Example
The old manager was finally **put out to pasture** last year.
那位老经理去年终于退休了。
idiom

test the waters

在完全投入之前先尝试一下
Meaning
to try something out before committing fully
Example
Before launching the product, we decided to **test the waters**.
在推出产品之前，我们决定**试水**。
idiom

to mess up

犯错或做事做得不好
Meaning
to make a mistake or do something badly
Example
Don’t **mess up** the report again this time.
这次不要再**搞砸**报告了。
idiom

Don't cry over spilled milk

不要浪费时间为已经发生的事情担忧。
Meaning
Don’t waste time worrying about things that have already happened.
Example
**Don't cry over spilled milk**; learn from your mistake.
不要为洒掉的牛奶哭泣；从你的错误中学习。
idiom

hit the ground running

精力充沛且成功地开始一件事
Meaning
to start something energetically and successfully
Example
She joined the team and **hit the ground running** on her first day.
她加入了团队，并在第一天就充满活力地投入工作。
idiom

pay it forward

在接受了别人的善意之后，为他人做一些善事
Meaning
to do something kind for someone else after receiving kindness
Example
After receiving help from a stranger, he decided to **pay it forward** by helping someone in need.
在从一个陌生人那里得到帮助后，他决定通过帮助有需要的人来回馈这份善意。
idiom

let your imagination run wild

允许自己自由地和富有创意地思考
Meaning
to allow yourself to think freely and creatively
Example
When writing stories, I always **let my imagination run wild**.
当我写故事时，我总是让我的想象力自由驰骋。
idiom

give someone a shot in the arm

提高某人的自信或热情
Meaning
to boost someone’s confidence or enthusiasm
Example
The victory **gave the team a shot in the arm** before the final.
这场胜利**给了球队一个振奋**，为决赛做准备。
idiom

breathe easy

在压力大或危险的情况下放松
Meaning
to relax after a stressful or dangerous situation
Example
After the pollution control laws were enforced, people could finally **breathe easy**.
在污染控制法案实施后，人们终于能够**松口气**。
idiom

war of words

争论或口头冲突
Meaning
an argument or verbal conflict
Example
The two politicians engaged in a **war of words** on TV.
两位政治家在电视上展开了一场**唇枪舌战**。
idiom

Best foot forward

努力给人留下最好的印象
Meaning
To try to make the best possible impression
Example
She always puts her **best foot forward** on important occasions.
她总是在重要场合尽力表现自己最好的一面。
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

have a good character

诚实、有道德且受人尊敬
Meaning
to be honest, moral, and respectable
Example
He has always **had a good character**, and that’s why people trust him.
他一直**拥有良好的品格**，因此人们信任他。
idiom

tempt fate

冒险可能带来坏运气
Meaning
to take a foolish risk that may bring bad luck
Example
You’re **tempting fate** by driving without insurance.
你在**挑战命运**，开车没有保险。
idiom

have big plans

对未来有重要或雄心勃勃的计划
Meaning
to have important or ambitious goals for the future
Example
He **has big plans** to expand his business overseas.
他有扩大自己海外业务的宏伟计划。
idiom

make your mark

取得突出或认可
Meaning
to achieve distinction or recognition
Example
He worked hard to **make his mark** in the tech industry.
他努力工作，以在科技行业中**留下自己的印记**。
idiom

Fair enough

用于表示你理解或接受某人的观点
Meaning
Used to show you understand or accept someone’s point
Example
‘We can’t afford it now.’ ‘**Fair enough**, maybe later.’
“我们现在负担不起。” “好吧，也许以后吧。”
idiom

butterflies in your stomach

感到紧张或心理不安
Meaning
feeling nervous or anxious
Example
I always get **butterflies in my stomach** before a big presentation.
我在大场合前总是感到紧张。
idiom

out for blood

极其决心打败或惩罚某人
Meaning
to be extremely determined to defeat or punish someone
Example
After losing last time, the team is **out for blood** this season.
上次输了之后，队伍本赛季决心复仇。
idiom

Take something with a grain of salt

不要把某事看得太过于严肃或字面理解
Meaning
To not take something too seriously or literally
Example
You should **take his stories with a grain of salt**; he often exaggerates.
你应该**对他的故事保持怀疑态度**; 他常常夸大其词。
idiom

ease onto

轻轻地移动到某物上
Meaning
to move gently onto something
Example
Please **ease onto** the ramp to avoid jolts.
请轻轻地移动到坡道上以避免震动。
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

Tell the truth and shame the devil

永远说出真相，即使这很困难或冒险。
Meaning
Always speak the truth, even when it’s hard or risky.
Example
Just **tell the truth and shame the devil**, even if it hurts.
只要**说出真相，让魔鬼羞愧**，即使它会伤害。
idiom

off the beaten track

在一个很少有人去的地方；偏远或不寻常
Meaning
in a place not visited by many people; remote or unusual
Example
We found a lovely beach **off the beaten track**.
我们发现了一个美丽的海滩，远离人群。
idiom

take ownership

对某事承担全部责任
Meaning
to take full responsibility for something
Example
Leaders should **take ownership** of both successes and failures.
领导者应该对成功和失败承担责任。
idiom

lovebirds

一对非常亲密的情侣
Meaning
a couple who are very affectionate with each other
Example
Look at those **lovebirds** holding hands in the park!
看那些在公园里牵着手的**lovebirds**！
idiom

tiger mom

一位严格的母亲，她推动孩子们达到高标准
Meaning
a strict mother who pushes her children to achieve high standards
Example
Her friends call her a **tiger mom** because she’s very demanding.
她的朋友们称她为**老虎妈妈**，因为她要求很高。
idiom

crunch the data

处理和分析大量数据
Meaning
to process and analyze large amounts of data
Example
The AI can **crunch the data** in seconds and give insights.
AI 可以在几秒钟内处理数据并提供见解。
idiom

strike a bargain

达成协议或交易
Meaning
to reach an agreement or deal
Example
After some discussion, they **struck a bargain** that suited both parties.
经过一些讨论，他们达成了一项双方都满意的协议。
idiom

Flying high

非常成功或快乐。
Meaning
To be very successful or happy.
Example
After getting promoted, she's **flying high**.
升职后，她非常高兴。
idiom

cross that bridge when you come to it

等问题发生时再处理，不要提前
Meaning
to deal with a problem when it happens, not before
Example
We will **cross that bridge when we come to it**.
等到了那一步我们再说。
idiom

nitpick

在某事中挑剔小的、不重要的错误
Meaning
to find small, unimportant faults in something
Example
Stop **nitpicking** every little mistake I make!
别再对我犯的每个小错误吹毛求疵了！
idiom

beta test

在正式发布之前测试产品
Meaning
to test a product before official release
Example
We are going to **beta test** our app next week.
我们将在下周进行我们的应用程序测试。
idiom

miss the mark

未能达到预期结果
Meaning
to fail to achieve the intended result
Example
His speech **missed the mark** and didn’t impress anyone.
他的演讲**没有击中要点**，没有给任何人留下深刻印象。
idiom

brand ambassador

通过个人影响力推广品牌的人
Meaning
a person who promotes a brand through personal influence
Example
They hired a celebrity as their **brand ambassador**.
他们聘请了一位名人作为他们的**品牌大使**。
idiom

do your own thing

按照自己的意愿去做，不用担心别人怎么想
Meaning
to do what you want without worrying about what others think
Example
He prefers to **do his own thing** and not depend on anyone.
他喜欢按自己的方式行事，不依赖任何人。
idiom

buckle under pressure

因过度压力或压力而屈服或失败。
Meaning
to give in or fail due to too much stress or pressure
Example
Some employees **buckle under pressure**, while others thrive.
一些员工在压力下屈服，而其他员工则茁壮成长。
idiom

Down the rabbit hole

陷入一个奇怪、复杂或离奇的境地。
Meaning
Entering into a strange, complicated, or bizarre situation.
Example
I went **down the rabbit hole** researching ancient myths.
我在研究古代神话时陷入了 **down the rabbit hole**。
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

Economic bubble

一种资产价格远远高于其真实价值的情况。
Meaning
A situation where asset prices rise far above their real value.
Example
The housing **economic bubble** burst in 2008, causing a global crisis.
2008年住房经济泡沫破裂，引发了全球危机。
idiom

drop a bombshell

宣布一些令人震惊或出乎意料的事情
Meaning
to announce something shocking or unexpected
Example
She **dropped a bombshell** by quitting her job.
她通过辞掉工作让大家吃了一惊。
idiom

burning the candle at both ends

没有足够的休息，拼命工作
Meaning
working very hard without enough rest
Example
He is **burning the candle at both ends** with two jobs.
他正在做两个工作，拼命工作。
idiom

carbon neutral

实现碳足迹净零，释放的二氧化碳量等于从大气中移除的量
Meaning
achieving a net-zero carbon footprint, where the amount of carbon dioxide released is equal to the amount removed from the atmosphere
Example
By planting trees and reducing emissions, the company is aiming to become **carbon neutral**.
通过植树和减少排放，公司正努力成为 **碳中和**。
idiom

fall head over heels

深深地坠入爱河
Meaning
to fall deeply in love
Example
He **fell head over heels** in love with her the moment they met.
他一见钟情，在他们第一次见面时就深深地爱上了她。
idiom

scene of the crime

发生重要事情的地方
Meaning
the place where something important happened
Example
We returned to the **scene of the crime** to find the truth.
我们回到了犯罪现场寻找真相。
idiom

take someone's breath away

用美丽或魅力给某人留下深刻印象或惊讶
Meaning
to impress or amaze someone with beauty or charm
Example
Her beauty **took his breath away**.
她的美丽**让他目瞪口呆**。
idiom

Behind the curve

相比竞争对手，处于落后或发展较慢的状态。
Meaning
To be less advanced or slow compared to competitors.
Example
Our company is **behind the curve** in adopting AI technologies.
我们的公司在采用人工智能技术方面落后于竞争对手。
idiom

Too many cooks spoil the broth

当太多人试图管理某件事时，它可能会失败。
Meaning
When too many people try to manage something, it can fail.
Example
If everyone keeps giving their opinion, remember that **too many cooks spoil the broth**.
如果每个人都不断发表意见，请记住，厨师太多会把汤弄糟。
idiom

learn your lesson

从不愉快的经历中吸取教训，以避免重复
Meaning
to learn from an unpleasant experience so as not to repeat it
Example
After being late several times, he finally **learned his lesson**.
在多次迟到后，他终于**吸取了教训**。
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

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

things are looking up

情况正在改善
Meaning
the situation is improving
Example
After a tough year, **things are looking up** for our business.
经过艰难的一年，**事情正在变好**，我们的生意也开始好转。
idiom

Barking up the wrong tree

采取错误或被误导的行动方向。
Meaning
To pursue a mistaken or misguided course of action.
Example
If you think I'm guilty, you're **barking up the wrong tree**.
如果你认为我有罪，那你就找错对象了。
idiom

crazy about someone

深深地被某人吸引或迷住
Meaning
to be deeply attracted or infatuated with someone
Example
She’s **crazy about** her new boyfriend.
她对她的新男朋友**疯狂**。
idiom

dirty politics

被认为不诚实或不道德的政治活动
Meaning
political activities that are considered dishonest or unethical
Example
His campaign was full of **dirty politics**, using false information to attack his opponent.
他的竞选充满了**dirty politics**，利用虚假信息攻击对手。
idiom

circle around

围绕某物反复移动
Meaning
to move repeatedly around something
Example
The hawk kept **circling around** above the trees.
老鹰不停地在树木上空**盘旋**。
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

jump out of your skin

极度惊讶或害怕
Meaning
to be extremely surprised or frightened
Example
I nearly **jumped out of my skin** when I saw the snake.
当我看到那条蛇时，我差点跳出皮肤。
idiom

fun and games

愉快的活动；顽皮的行为
Meaning
enjoyable activities; playful behavior
Example
It’s not all **fun and games** when organizing a big event.
组织一场大型活动时，这可不是全是**玩乐和游戏**。
idiom

take the helm

接管或领导一个组织的控制
Meaning
to assume control or leadership of an organization
Example
She **took the helm** of the company after her father's retirement.
她在父亲退休后**掌舵**了公司。
idiom

cut your teeth

在特定领域或工作中获得初步经验
Meaning
to gain initial experience in a particular area or job
Example
He **cut his teeth** in the banking industry before starting his own firm.
在创办自己的公司之前，他在银行业获得了初步经验。
idiom

save the day

通过及时采取行动来防止失败或灾难
Meaning
to prevent failure or disaster by taking timely action
Example
His quick thinking **saved the day**.
他快速的思维**拯救了那一天**
idiom

talk nineteen to the dozen

说话非常快而且不停
Meaning
to talk very quickly and without stopping
Example
Once she starts, she **talks nineteen to the dozen**.
她一开始就**不停地说话**。
idiom

reach for the moon

设定非常高的目标
Meaning
to set very high goals
Example
Don’t be afraid to **reach for the moon**.
不要害怕**追求月亮**。
idiom

caught off guard

被某些意外事情惊讶或震惊
Meaning
surprised or shocked by something unexpected
Example
She was **caught off guard** by the sudden question.
她被突如其来的问题吓了一跳。
idiom

come crashing down

突然失败或崩溃
Meaning
to suddenly fail or collapse
Example
Their plans **came crashing down** after the crisis.
他们的计划在危机后崩溃了。
idiom

get to the bottom of something

了解或解决某事的真正原因
Meaning
to understand or solve the real cause of something
Example
We need to **get to the bottom of this issue** to prevent it from happening again.
我们需要弄清这个问题的真正原因，以防再次发生。
idiom

hold down

将某物保持在低水平
Meaning
to keep something at a low level
Example
It’s tough to **hold down** rent costs in this city.
在这个城市，控制租金成本非常困难。
idiom

think on one's feet

能够迅速做出决策并迅速行动，尤其是在紧急情况下
Meaning
to be able to make quick decisions and act quickly, especially in an emergency
Example
During the meeting, she had to **think on her feet** and come up with a solution.
在会议期间，她必须**迅速思考**并提出解决方案。
idiom

make someone green

使某人嫉妒
Meaning
to make someone jealous
Example
Her success **made her colleagues green**.
她的成功 **让她的同事们嫉妒**。
idiom

grateful as can be

非常感激
Meaning
extremely thankful
Example
I’m **grateful as can be** for your guidance.
我非常感激你的指导。
idiom

my bad

一种随意承认小错误的方式
Meaning
a casual way to admit a small mistake
Example
Oh, I forgot to bring your book — **my bad**!
哦，我忘了带你的书 — 我的错！
idiom

wise beyond his years

表现出超出年龄的成熟或智慧
Meaning
showing maturity or wisdom greater than expected for one’s age
Example
Even as a child, he was **wise beyond his years**.
即使在孩童时期，他也**比同龄人更成熟**。
idiom

hit the tourist trail

参观受欢迎的旅游目的地
Meaning
to visit popular tourist destinations
Example
We decided to **hit the tourist trail** after exploring the local villages.
在探索完当地村庄后，我们决定参观受欢迎的旅游目的地。
idiom

take down

以书面形式记录信息
Meaning
to record information in writing
Example
Can you **take down** the meeting notes?
你能**记下**会议记录吗？
idiom

Pilot project

一个小规模的实验，用于测试一个概念。
Meaning
A small-scale experiment to test a concept.
Example
We launched a **pilot project** before going nationwide.
我们在全国推广之前启动了一个试点项目。
idiom

beyond a shadow of a doubt

毫无疑问；完全确定
Meaning
without any doubt; completely certain
Example
He is **beyond a shadow of a doubt** the best candidate for the job.
他**毫无疑问**是这个工作的最佳候选人。
idiom

in cold blood

没有感情或怜悯; 故意残忍
Meaning
without emotion or pity; deliberately cruelly
Example
The victim was murdered **in cold blood**.
受害者被无情地谋杀。
idiom

bent over backwards

非常努力地帮助或取悦某人
Meaning
to try very hard to help or please someone
Example
She **bent over backwards** to make sure everyone was happy.
她**弯腰后仰**确保每个人都很高兴。
idiom

cold war

国家之间没有实际战争的政治敌对和紧张状态
Meaning
a state of political hostility and tension between countries without actual warfare
Example
During the 20th century, the United States and the Soviet Union were engaged in a **cold war**.
在20世纪，美国和苏联参与了一场**冷战**。
idiom

show true colors

揭示一个人真实的性格或意图
Meaning
to reveal one’s real character or intentions
Example
He **showed his true colors** when he took charge of the team.
当他接管团队时，他展现了自己的真实面目。
idiom

own up to

承认或坦白你做错的事情
Meaning
to admit or confess to something you did wrong
Example
She finally **owned up to** breaking the vase.
她最终**承认**打破了花瓶。
idiom

get away with murder

做坏事却不受惩罚
Meaning
to do something very bad without being punished for it
Example
He’s so spoiled that he can **get away with murder** at home.
他被宠坏了，在家里他可以 **做任何他想做的事**，而没有人会惩罚他。
idiom

peace treaty

两个或多个当事方为结束战争或冲突而达成的协议
Meaning
an agreement between two or more parties to stop a war or conflict
Example
The two countries signed a **peace treaty** after years of conflict.
两国在多年冲突后签署了**和平条约**。
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

helicopter parent

一个过度参与孩子生活的父母
Meaning
a parent who is overly involved in their child’s life
Example
She’s a bit of a **helicopter parent**, always watching over her kids.
她有点像**直升机父母**，总是关注她的孩子。
idiom

draw attention

让人们注意到某事
Meaning
to make people notice something
Example
The bright colors **draw attention** to the poster.
明亮的颜色吸引了人们对海报的注意。
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

give someone a leg up

帮助某人改善他们的处境或获得优势
Meaning
to help someone improve their situation or get an advantage
Example
Her mentor **gave her a leg up** in her career.
她的导师在她的职业生涯中**给了她一个提升**。
idiom

to break out in a cold sweat

突然变得非常紧张或害怕
Meaning
to suddenly become very nervous or afraid
Example
I **broke out in a cold sweat** before giving my first public speech.
我在首次公众演讲前突然感到害怕发冷。
idiom

carry forward

将某事移至以后的时间
Meaning
to move something to a later period
Example
We’ll **carry forward** the unused budget to next quarter.
我们将未使用的预算转到下个季度。
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

Spread too thin

尝试一次做太多事情，结果没有任何精力可用。
Meaning
To try to do too many things at once, leaving no energy for any.
Example
She’s **spread too thin** between her job, family, and studies.
她在工作、家庭和学习之间**spread too thin**。
idiom

sweep something under the rug

忽视或隐藏问题或错误
Meaning
to ignore or hide a problem or mistake
Example
Don't just **sweep the issue under the rug**. We need to address it.
不要只是**把问题扫到地毯下面**。我们需要解决它。
idiom

soft launch

在全面发布之前，对新产品进行有限或安静的发布
Meaning
a limited or quiet release of a new product before the full launch
Example
The company did a **soft launch** to test customer reactions.
公司进行了一个**软启动**来测试客户反应。
idiom

on fire

表现非常好；充满能量和成功
Meaning
performing very well; full of energy and success
Example
The sales team is **on fire** this month!
销售团队这个月表现出色！
idiom

Game of thrones

一场为了权力或控制的斗争，常常涉及操控和竞争
Meaning
A struggle for power or control, often involving manipulation and rivalry
Example
The election turned into a **game of thrones** with leaders fighting for dominance.
选举变成了一个**权力的游戏**，领导者们为争夺主导地位而斗争。
idiom

laid-back

冷静、放松、不容易生气的
Meaning
calm, relaxed, and not easily upset
Example
He’s a very **laid-back** person who rarely gets angry.
他是一个很冷静的人，很少生气。
idiom

raise a toast

用饮料来向某人或某事表示敬意
Meaning
to honor someone or something with a drink
Example
We **raised a toast** to the newlyweds.
我们为新婚夫妇举杯。
idiom

plug into

连接或参与某事，通常是一个系统或网络
Meaning
to connect or become involved in something, usually a system or network
Example
You need to **plug into** the right social media channels to reach a wider audience.
你需要**plug into**正确的社交媒体渠道来接触更广泛的观众。
idiom

off the top of my head

没有太多思考或准备
Meaning
without much thought or preparation
Example
Off the top of my head, I’d say we need more time.
我会说我们需要更多的时间，虽然只是随便说说。
idiom

put your faith in someone

完全信任某人
Meaning
to trust someone completely
Example
She decided to **put her faith in him** and let him handle the project.
她决定**把信任放在他身上**，让他负责这个项目。
idiom

between a rock and a hard place

面临两个困难的选择
Meaning
facing two difficult choices
Example
She’s **between a rock and a hard place** — neither option is good.
她处于两难境地——没有哪个选项是好的。
idiom

take the stand

在法庭上作证
Meaning
to testify in court
Example
The witness will **take the stand** tomorrow morning.
证人明天早上将在法庭上作证。
idiom

runway for growth

初创公司在需要更多资金之前所拥有的时间或资源
Meaning
the time or resources a startup has before it needs more funding
Example
The startup has enough **runway for growth** for the next 12 months.
这家初创公司有足够的**跑道为增长**，可以支撑接下来的12个月。
idiom

read someone like a book

轻松理解某人的思想和意图
Meaning
to easily understand someone's thoughts and intentions
Example
She can **read him like a book** and always knows when he's lying.
她可以**像读书一样读懂他**，并且总是知道他什么时候在撒谎。
idiom

go the distance

尽管有困难，仍能成功完成某事
Meaning
to finish something successfully despite difficulties
Example
Only the most determined athletes can **go the distance**.
只有最坚决的运动员才能走到最后。
idiom

to see the big picture

理解更大或更重要的问题
Meaning
to understand the larger or more important issue
Example
You need to **see the big picture** when making strategic decisions.
在做战略决策时，你需要看到全局。
idiom

hacktivism

利用黑客行为促进政治或社会事业
Meaning
the use of hacking to promote political or social causes
Example
The group used **hacktivism** to expose corruption within the government.
该组织利用**黑客主义**揭露政府内部的腐败。
idiom

strong password

一个难以被他人猜到的密码，通常结合字母、数字和符号
Meaning
a password that is difficult for others to guess, typically combining letters, numbers, and symbols
Example
For better security, always use a **strong password** with at least eight characters.
为了更好的安全性，始终使用至少包含八个字符的**强密码**。
idiom

to screw up

犯严重错误或弄坏某物
Meaning
to make a serious mistake or spoil something
Example
I really **screwed up** the presentation.
我真的把演讲搞砸了。
idiom

behind the scenes

秘密地或没有公众知晓
Meaning
secretly or without public knowledge
Example
A lot of work happens **behind the scenes** to make a movie.
为了制作电影，很多工作发生在幕后。
idiom

the right thing to do

采取最道德或道德的行动
Meaning
the most ethical or moral action to take
Example
Apologizing was **the right thing to do**.
道歉是**正确的做法**。
idiom

from the bottom of my heart

由衷感谢
Meaning
with sincere gratitude
Example
I thank you **from the bottom of my heart** for everything.
我从**内心深处**感谢你的一切。
idiom

the lion’s share

某事物的最大部分
Meaning
the largest part of something
Example
He took **the lion’s share** of the profits.
他拿了**狮子份额**的利润。
idiom

keyboard warrior

在线发布攻击性或愤怒评论的人
Meaning
someone who posts aggressive or angry comments online
Example
He acts tough online, but he’s just a **keyboard warrior**.
他在线上表现得很强硬，但他只是一个**键盘战士**。
idiom

to wear one's heart on one's sleeve

公开展示自己的情感或感受
Meaning
to openly show one's emotions or feelings
Example
He really **wears his heart on his sleeve**, you can tell exactly how he feels.
他真的**把心挂在袖子上**，你可以清楚地看出他的感受。
idiom

cream of the crop

一组中的最佳；最优选择
Meaning
the best of a group; the finest selection
Example
These students are the **cream of the crop**.
这些学生是**最棒的**。
idiom

cat nap

白天短暂的小睡
Meaning
a short sleep during the day
Example
I took a **cat nap** before the meeting.
我在会议前小睡了一会儿。
idiom

garbage in, garbage out

错误的输入数据将产生错误的结果
Meaning
flawed input data will produce flawed results
Example
If the training data is poor, the AI model will fail — **garbage in, garbage out**.
如果训练数据不佳，人工智能模型将失败——**garbage in, garbage out**。