to take a turn for the worse
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idiom

to take a turn for the worse

病情恶化或健康下降
Meaning
to become worse or decline in health
Example
His condition **took a turn for the worse** last night.
他的病情昨晚**恶化了**。
idiom

go viral

在网上变得非常受欢迎
Meaning
to become extremely popular online
Example
Her funny video **went viral** overnight.
她的搞笑视频一夜之间就火了。
idiom

teacher’s pet

老师特别喜欢的学生
Meaning
a student who is favored by the teacher
Example
Everyone teases her for being the **teacher’s pet**.
大家都取笑她是老师的宠儿。
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

die of envy

因嫉妒而死
Meaning
to be extremely jealous
Example
He’ll **die of envy** when he sees your new car.
当他看到你的新车时，他会因嫉妒而死。
idiom

the apple of someone's eye

某人非常珍贵或深深地被爱着
Meaning
someone very precious or loved deeply
Example
Her daughter is the **apple of her eye**.
她的女儿是她眼中的**苹果**。
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

sleep like a log

睡得又深又香
Meaning
to sleep very deeply and soundly
Example
After the long journey, I **slept like a log** all night.
长途旅行后，我整晚都睡得像木头一样。
idiom

zoom out

从更广的角度看待一个情况
Meaning
to look at a situation from a broader perspective
Example
Let’s **zoom out** and review the yearly goals.
让我们**放大视野**，回顾一下年度目标。
idiom

like father, like son

儿子像父亲一样行为
Meaning
a son behaves like his father
Example
Tom loves cars just like his dad — **like father, like son**!
汤姆像他的爸爸一样喜欢汽车 — 就像父亲一样，儿子也是！
idiom

to make the grade

达到所需标准
Meaning
to meet the required standard
Example
He didn’t **make the grade** in the final exam.
他在期末考试中没有**通过**。
idiom

hit the road

开始旅行；离开一个地方
Meaning
to start a journey; to leave a place
Example
We should **hit the road** before sunset to avoid traffic.
我们应该在日落前 **hit the road** 以避开交通。
idiom

the best of both worlds

一种你可以同时享受两种截然不同事物好处的情况
Meaning
a situation in which you can enjoy the advantages of two very different things at the same time
Example
She works in the city and lives in the country, so she gets **the best of both worlds**.
她在城市工作，在乡下生活，所以她拥有两全其美的生活。
idiom

Make the most of something

充分利用某事物。
Meaning
To use something to its full potential.
Example
You should **make the most of this opportunity**.
你应该充分利用这个机会。
idiom

green-eyed with envy

表现出强烈的嫉妒
Meaning
showing strong jealousy
Example
They were **green-eyed with envy** at her luxurious lifestyle.
他们对她奢华的生活方式感到**green-eyed with envy**。
idiom

rise through the ranks

在组织中逐渐升职
Meaning
to gradually move up to higher positions in an organization
Example
He **rose through the ranks** to become the CEO.
他**在晋升中逐步上升**，最终成为了CEO。
idiom

comic relief

在严肃情境中的一个有趣时刻
Meaning
a funny moment in a serious situation
Example
The movie’s sidekick provided much-needed **comic relief**.
电影中的配角提供了一个非常需要的喜剧缓解。
idiom

bite off more than you can chew

承担超出自己能力范围的任务
Meaning
to take on a task that is too big to handle
Example
I think I **bit off more than I can chew** by agreeing to manage three projects at once.
我觉得我同意同时管理三个项目是承担了超出自己能力范围的任务。
idiom

get along like a house on fire

很快成为好朋友并享受彼此的陪伴。
Meaning
To quickly become good friends and enjoy each other’s company.
Example
They met last week and **got along like a house on fire**.
他们上周见面，很快就成为了好朋友。
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

show initiative

在没有被告知该做什么的情况下采取行动
Meaning
to take action without being told what to do
Example
Employees are encouraged to **show initiative** and come up with solutions on their own.
鼓励员工**展示主动性**并自行提出解决方案。
idiom

talk someone into

说服某人去做某事
Meaning
to persuade someone to do something
Example
He **talked me into** joining the event.
他劝我参加那个活动。
idiom

All for one and one for all

团队中的每个人都为共同的利益而合作。
Meaning
Everyone in the group works together for the common good.
Example
In our company, we believe in the motto, **all for one and one for all**.
在我们的公司，我们相信这个座右铭：**人人为我，我为人人**。
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

move up

晋升到更高的级别或职位
Meaning
to advance to a higher level or position
Example
She hopes to **move up** to a senior role next year.
她希望明年能升职到高级职位。
idiom

social media blackout

社交媒体服务不可用或故意避免的时期
Meaning
a period when social media services are unavailable or intentionally avoided
Example
During the **social media blackout**, everyone started reading books again.
在**社交媒体封锁**期间，每个人开始重新阅读书籍。
idiom

spark an idea

使某人产生新的想法或思维
Meaning
to cause someone to have a new thought or idea
Example
That movie **sparked an idea** for my next project.
那部电影**激发了一个想法**，为我的下一个项目。
idiom

Plow the field

为未来的工作或成功做准备。
Meaning
To prepare for future work or success.
Example
Before launching the product, we need to **plow the field** with proper research.
在推出产品之前，我们需要通过适当的研究来**plow the field**。
idiom

Go broke

失去所有的钱；破产。
Meaning
To lose all your money; to become bankrupt.
Example
Many small investors **went broke** after the market crash.
许多小投资者在市场崩盘后破产了。
idiom

flag up

引起对重要事情的注意
Meaning
to draw attention to something important
Example
The auditor will **flag up** any unusual expenses.
审计员会 **标出**任何不寻常的支出。
idiom

to learn the ropes

学习如何做某事，特别是工作
Meaning
to learn how to do something, especially a job
Example
She is new here, but she is quickly **learning the ropes**.
她是新来的，但她很快就学会了**绳索**。
idiom

go on a spending spree

在短时间内花费大量金钱
Meaning
to spend a lot of money in a short period of time
Example
She **went on a spending spree** after getting her bonus.
她在拿到奖金后**大肆购物**。
idiom

be like family

像家庭成员一样亲近
Meaning
to be as close as family members
Example
My best friend is **like family** to me.
我最好的朋友对我来说**就像家人**。
idiom

deep learning

一种机器学习算法类别，通过使用多个层级逐步从原始输入中提取更高级的特征。
Meaning
A class of machine learning algorithms that uses multiple layers to progressively extract higher-level features from raw input.
Example
The AI system improved through **deep learning**, making it smarter over time.
该AI系统通过**深度学习**不断改进，随着时间推移变得更智能。
idiom

lay down the law

明确而坚定地声明规则
Meaning
to state rules firmly and clearly
Example
The manager **laid down the law** about punctuality.
经理对准时问题明确规定了规则。
idiom

dead tired

极度疲倦或精疲力竭
Meaning
extremely tired or exhausted
Example
After the long trip, we were **dead tired**.
长途旅行后，我们筋疲力尽。
idiom

press ahead

尽管有障碍，依然坚定地继续
Meaning
to continue with determination despite obstacles
Example
Let’s **press ahead** even if the timeline shifts.
即使时间表改变，我们也要**press ahead**。
idiom

talk over

彻底讨论某事
Meaning
to discuss something thoroughly
Example
Let’s **talk over** the proposal before we send it.
在我们发送之前，先彻底讨论这个提案。
idiom

wind up

最终陷入某种特定情境
Meaning
to end up in a particular situation
Example
If you ignore the warning signs, you could **wind up** in trouble.
如果忽视警告信号，你可能会**最终**陷入麻烦。
idiom

Slow and steady wins the race

持之以恒和耐心通向成功。
Meaning
Consistency and patience lead to success.
Example
Remember, **slow and steady wins the race**.
记住，稳步前进的人最终会赢得比赛。
idiom

lay up

将某物留作后用
Meaning
to keep something in reserve for later use
Example
We should **lay up** extra supplies before winter.
我们应该在冬季之前储备额外的物资。
idiom

tie in with

与其他事物连接或协调
Meaning
to connect or coordinate with something else
Example
The workshop topics **tie in with** our current curriculum.
研讨会的主题与我们当前的课程 **紧密相关**。
idiom

flat broke

一点钱都没有
Meaning
having no money at all
Example
I was **flat broke** after paying all my bills this month.
这个月我付完所有账单后完全没有钱了。
idiom

to have faith in yourself

相信自己的能力和潜力
Meaning
to trust your own abilities and potential
Example
If you want to succeed, you need to **have faith in yourself**.
如果你想成功，你需要**相信自己**。
idiom

the final frontier

最后或最艰难的挑战或探索领域
Meaning
the last or most difficult challenge or area of exploration
Example
For many scientists, space remains **the final frontier**.
对许多科学家来说，太空依然是**最后的边疆**。
idiom

kick back

放松一下，暂时什么都不做
Meaning
to relax and do nothing for a while
Example
After finishing the project, we just **kicked back** and watched a movie.
完成项目后，我们就放松地看了一部电影。
idiom

brush off

将某事或某人视为不重要而置之不理
Meaning
to dismiss something or someone as unimportant
Example
He tried to **brush off** the criticism during the meeting.
他试图在会议中**brush off**批评。
idiom

write one’s own story

塑造自己的人生或命运
Meaning
to shape one’s own destiny or path in life
Example
She chose to **write her own story** instead of following tradition.
她选择了**写自己的故事**，而不是遵循传统。
idiom

go back and forth

不断改变对某事的想法
Meaning
to keep changing your mind about something
Example
He’s been **going back and forth** about buying a new car.
他一直在犹豫是否购买新车。
idiom

Give the shirt off your back

尽一切所能去帮助某人
Meaning
to give everything you can to help someone
Example
She would **give the shirt off her back** if it meant helping her friends.
如果能帮助她的朋友，她会**脱下背上的衬衫**。
idiom

the power behind the throne

一个秘密控制或影响领导者的人
Meaning
a person who secretly controls or influences the leader
Example
Though he's not the CEO, he's **the power behind the throne**.
虽然他不是CEO，但他是**王座背后的权力**。
idiom

make the same mistake twice

重复犯错，尽管知道它是错的
Meaning
to repeat a mistake despite knowing it’s wrong
Example
She promised never to **make the same mistake twice**.
她承诺永远不再 **犯同样的错误两次**。
idiom

show who's boss

让人们认识到你的权威
Meaning
to make people recognize your authority
Example
Sometimes a leader must **show who's boss**.
有时候，一个领导必须 **展示谁是老板**。
idiom

bravery in the face of danger

在面对危险时表现出勇气
Meaning
showing courage even when facing danger
Example
The firefighter showed **bravery in the face of danger**.
消防员在面对危险时表现出了勇气。
idiom

the internet of things (IoT)

将日常物品连接到互联网以发送和接收数据
Meaning
the connection of everyday objects to the internet to send and receive data
Example
Smart homes are part of the **internet of things (IoT)**, where devices are interconnected.
智能家居是**物联网 (IoT)**的一部分，设备之间相互连接。
idiom

A golden opportunity

做某事的一个非常好的机会
Meaning
a very good chance to do something
Example
Getting this scholarship is **a golden opportunity** for you.
获得这个奖学金对你来说是**一个黄金机会**。
idiom

in a huff

生气或被冒犯，通常是短时间内
Meaning
angry or offended, usually for a short time
Example
She left the meeting **in a huff** after being criticized.
她在被批评后**生气地**离开了会议。
idiom

Out of fashion

不再流行或受欢迎
Meaning
No longer trendy or popular
Example
Those jeans went **out of fashion** years ago.
那些牛仔裤多年前就不流行了。
idiom

off the hook

摆脱某事的指责或责任
Meaning
to be free from blame or responsibility for something
Example
He was **off the hook** after his friend confessed.
在他的朋友承认之后，他摆脱了责任。
idiom

Keep your friends close and your enemies closer

保持与朋友的良好关系非常重要，但理解你的敌人也同样重要。
Meaning
It's important to maintain good relationships with your friends, but it's equally important to understand your enemies.
Example
He always watches his competitors carefully because he believes in **keeping your friends close and your enemies closer**.
他总是小心地观察竞争对手，因为他相信**保持朋友在身边，敌人更靠近**。
idiom

burst out laughing

突然大笑
Meaning
to suddenly start laughing loudly
Example
Everyone **burst out laughing** at his joke.
每个人听了他的笑话都**爆笑起来**。
idiom

show the ropes

教某人如何完成一项工作或任务
Meaning
to teach someone how to do a job or task
Example
It took me a while to **show the ropes** to the new employee, but now they’re doing well.
我花了一些时间向新员工**展示绳索**，但现在他们做得很好。
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

stoic calm

在困难或压力大的情况下保持冷静
Meaning
to remain calm in difficult or stressful situations
Example
Even during the crisis, she maintained **stoic calm**.
即使在危机时，她也保持了**stoic calm**。
idiom

sound out

悄悄地了解人们的想法
Meaning
to quietly discover what people think
Example
She will **sound out** the team before making changes.
她会在做出改变之前了解团队的想法。
idiom

swept off your feet

突然并且强烈地被某人吸引
Meaning
to be suddenly and strongly attracted to someone
Example
She was **swept off her feet** by his charm.
她被他的魅力彻底迷住了。
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

have butterflies in your stomach

对某事感到非常紧张
Meaning
to feel very nervous about something
Example
She always **has butterflies in her stomach** before exams.
她在考试前总是感到紧张。
idiom

pay attention to

注意某事或认真倾听
Meaning
to listen carefully or give thought to something
Example
You should **pay attention to** the details of the project.
你应该**注意**项目的细节。
idiom

crack the books

打开书本并开始学习
Meaning
to open your books and begin studying
Example
It's time to **crack the books** and prepare for finals.
是时候打开书本并为期末考试做准备。
idiom

Runway

初创公司在资金耗尽前的时间。
Meaning
The time a startup has before running out of cash.
Example
We only have six months of **runway** left.
我们只有六个月的**runway**了。
idiom

heart skips a beat

因爱情而感到激动或紧张
Meaning
to feel excited or nervous because of love
Example
Every time he smiles, her **heart skips a beat**.
每次他笑的时候，她的**心跳漏了一拍**。
idiom

jumpy as a cat

容易害怕或紧张
Meaning
easily frightened or nervous
Example
He’s been **jumpy as a cat** since the robbery.
自从抢劫之后，他一直非常紧张。
idiom

chart your own course

独立规划自己的道路或未来
Meaning
to plan your own path or future independently
Example
He decided to **chart his own course** and become an entrepreneur.
他决定**规划自己的道路**并成为企业家。
idiom

feeling low

感到沮丧或不开心
Meaning
feeling depressed or unhappy
Example
I’ve been **feeling low** lately due to stress.
最近因为压力我感到很沮丧。
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

hold the fort

在某人离开时负责
Meaning
to be in charge while someone is away
Example
Can you **hold the fort** while I'm at the meeting?
我开会时你能负责一下吗？
idiom

a game changer

完全改变事物处理方式的东西
Meaning
something that completely changes the way things are done
Example
The new technology is a **game changer** for the healthcare industry.
新技术是医疗行业的变革者。
idiom

keep your head in the game

保持精神集中并保持动力
Meaning
to stay mentally focused and motivated
Example
Even when things get tough, **keep your head in the game**.
即使事情变得困难，**保持专注在比赛中**。
idiom

penny wise, pound foolish

小心使用少量的钱，但对大量的钱不小心
Meaning
being careful with small amounts of money but careless with large amounts
Example
She refuses to buy a $10 book, but spends $100 on clothes; she's **penny wise, pound foolish**.
她拒绝买一本10美元的书，却在衣服上花100美元；她是**penny wise, pound foolish**。
idiom

clickbait

旨在吸引注意并鼓励点击的标题或内容
Meaning
a headline or content designed to attract attention and encourage clicks
Example
That article title is pure **clickbait**.
那篇文章的标题完全是**点击诱饵**。
idiom

break faith

打破信任
Meaning
to stop being loyal or trustworthy
Example
He **broke faith** with his team when he left suddenly.
他**打破了信任**与他的团队，当他突然离开时。
idiom

kill time

在等待时做某事
Meaning
to do something while waiting
Example
We played cards to **kill time** before the show started.
我们玩牌来**打发时间**，直到节目开始。
idiom

work hand in hand

与某人紧密而有效地合作
Meaning
to work closely and effectively with someone
Example
The designers and developers **work hand in hand** on the project.
设计师和开发人员在项目中密切合作。
idiom

let on

不小心透露秘密
Meaning
to reveal something secret unintentionally
Example
Don’t **let on** that you know about the plan.
不要 **让别人知道** 你知道计划的事情。
idiom

in the wrong hands

被可能造成伤害的人控制或使用
Meaning
controlled or used by people who could cause harm
Example
AI technology **in the wrong hands** could be disastrous.
人工智能技术落入错误的人手中可能是灾难性的。
idiom

hit a home run

取得巨大成功
Meaning
to achieve great success
Example
The new marketing campaign really **hit a home run** with its audience.
新的市场营销活动真的是与观众**击出全垒打**了。
idiom

on the rebound

在分手后不久开始一段新的关系
Meaning
starting a new relationship soon after a breakup
Example
He started dating again **on the rebound**.
他再次开始约会 **昂 迪 利宝德**。
idiom

groundbreaking discovery

一个在某个领域改变理解的发现
Meaning
a discovery that changes understanding in a field
Example
The new vaccine was a **groundbreaking discovery** in medicine.
新疫苗是医学领域的突破性发现。
idiom

play fair

诚实行事并平等对待他人
Meaning
to act honestly and treat others equally
Example
We expect everyone to **play fair** during the competition.
我们希望每个人在比赛期间都能**公平竞争**。
idiom

cast in stone

固定且不可更改
Meaning
fixed and unchangeable
Example
The script isn’t **cast in stone**; we can make changes.
剧本不是**cast in stone**; 我们可以进行更改。
idiom

leave your mark

在某事上产生持久的影响或影响力
Meaning
to have a lasting impact or influence on something
Example
Her dedication to the cause will surely **leave her mark** in the history books.
她对事业的奉献无疑会在历史书中**留下她的印记**。
idiom

law and order

通过遵守法律维护的和平状态
Meaning
a state of peace maintained by following laws
Example
The police are responsible for maintaining **law and order**.
警察负责维护**法与秩序**。
idiom

to keep one's chin up

在困难的情况下保持积极和充满希望
Meaning
to stay positive and hopeful in a difficult situation
Example
Even though she lost the game, she managed to **keep her chin up** and stayed positive.
虽然她输了比赛，但她设法 **保持着她的信心**，保持积极。
idiom

cut and paste

用很小的变化复制某些东西
Meaning
to copy something with little change
Example
You can't just **cut and paste** ideas from others.
你不能只是从别人那里**剪切并粘贴**想法。
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

out with the old, in with the new

用新的东西或想法代替旧的东西
Meaning
to replace old things or ideas with new ones
Example
It's time for **out with the old, in with the new**.
是时候 **告别旧的，迎接新的**。
idiom

team up with

与某人合作以实现共同目标
Meaning
to collaborate with someone for a common goal
Example
The nonprofits **teamed up with** local schools for the project.
非营利组织与当地学校合作开展项目。
idiom

at a crossroads

处在人生必须做出决定的时刻
Meaning
at a point where a decision must be made
Example
After years of travel, she found herself **at a crossroads** in life.
经过多年的旅行，她发现自己**处在人生的十字路口**。
idiom

a bitter pill to swallow

一个难以接受的不愉快事实或情况
Meaning
an unpleasant fact or situation to accept
Example
Losing the championship was **a bitter pill to swallow** for the team.
输掉冠军对团队来说是一个难以接受的事实。
idiom

in your face advertising

具有攻击性或非常直接的广告形式
Meaning
aggressive or very direct form of advertising
Example
Some brands use **in your face advertising** to stay memorable.
一些品牌使用**直面广告**来保持其记忆度。
idiom

brain like a computer

拥有极其分析性和高效的思维
Meaning
to have an extremely analytical and efficient mind
Example
She remembers every detail; she has a **brain like a computer**.
她记得每个细节；她有一个**像计算机一样的大脑**。
idiom

work around

找到避免问题的实际解决方案
Meaning
to find a practical solution that avoids a problem
Example
We can **work around** the delay by using a backup supplier.
我们可以通过使用备用供应商来绕过延迟。
idiom

have a high opinion of yourself

认为自己非常好或重要
Meaning
to think you are very good or important
Example
He **has a high opinion of himself** after getting the award.
他在获得奖项后对自己有很高的评价。
idiom

long story short

简要总结某事
Meaning
to summarize something briefly
Example
**Long story short**, we missed the train.
简而言之，我们错过了火车。
idiom

artificial brainpower

由AI系统提供的智能或决策
Meaning
intelligence or decision-making provided by AI systems
Example
The car relies on **artificial brainpower** to navigate through traffic.
这辆车依赖于**人工脑力**在交通中导航。
idiom

outside the box

以不寻常或非常规的方式思考或行动
Meaning
thinking or acting in an unusual or unconventional way
Example
To solve this problem, we need to think **outside the box**.
为了解决这个问题，我们需要**跳出框框**思考。
idiom

Tech-savvy

拥有现代技术的良好知识。
Meaning
Having good knowledge of modern technology.
Example
Our **tech-savvy** team built the prototype in just a week.
我们的**技术精通**团队在仅一周内完成了原型。
idiom

in the limelight

成为公众关注的焦点
Meaning
to be the focus of public attention
Example
After winning the award, he was **in the limelight** for months.
获奖后，他在几个月内成了公众关注的焦点。
idiom

in the same frame

拥有共同的视角或理解
Meaning
having a shared perspective or understanding
Example
Before we start, we need to make sure everyone is **in the same frame**.
在我们开始之前，我们需要确保每个人都**在同一框架中**。
idiom

from the ground up

从头开始完全构建或启动某事
Meaning
to build or start something completely from the beginning
Example
The software was built **from the ground up** using new code.
该软件是使用新代码从头开始开发的。
idiom

That’s for sure

用于强烈确认同意
Meaning
Used to strongly confirm agreement
Example
He’s a great leader — **that’s for sure**.
他是一个伟大的领导者 — 这是真的。
idiom

on the dot

正好准时；守时
Meaning
exactly on time; punctual
Example
The meeting started **on the dot** at 10 a.m.
会议在早上10点**正好准时**开始。
idiom

beat around the bush

避免谈论主要话题
Meaning
to avoid talking about the main topic
Example
Stop **beating around the bush** and tell me what happened.
不要绕圈子，告诉我发生了什么。
idiom

honesty is the best policy

诚实永远是最好的行为方式
Meaning
being honest is always the best way to behave
Example
My parents always taught me that **honesty is the best policy**.
我的父母总是教我诚实是最好的政策。
idiom

make room for

腾出空间
Meaning
to clear space to accommodate something
Example
Let’s **make room for** the new equipment near the window.
让我们在窗户旁腾出空间为新设备。
idiom

get a second wind

在感到疲劳后获得一阵能量
Meaning
to have a burst of energy after feeling tired
Example
After a short break, she **got a second wind** and finished the race.
短暂休息后，她 **重获活力** 并完成了比赛。
idiom

post something

在社交媒体平台上分享内容
Meaning
to share content on a social media platform
Example
She **posted** a beautiful picture on Instagram.
她在Instagram上发布了一张漂亮的照片。
idiom

on the spot

立即做出决定
Meaning
to make a decision immediately
Example
He was asked to decide **on the spot**.
他被要求**当场**做出决定。
idiom

A Scrooge

一个非常吝啬或小气的人。
Meaning
A very stingy or miserly person.
Example
Don’t be **a Scrooge**—it’s Christmas!
别做吝啬鬼——现在是圣诞节！
idiom

big data

极大的数据集，可以通过计算分析来揭示模式、趋势和关联。
Meaning
Extremely large data sets that may be analyzed computationally to reveal patterns, trends, and associations.
Example
The company uses **big data** to improve customer experience.
公司使用**大数据**来提升客户体验。