Gordian knot
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idiom

Gordian knot

一个非常复杂或无法解决的问题。
Meaning
A very complex or unsolvable problem.
Example
The issue of climate change is like a **Gordian knot** that needs bold action.
气候变化的问题就像一个戈尔迪之结，需要大胆的行动。
idiom

be a person of your word

成为一个遵守承诺的人
Meaning
to be someone who keeps their promises
Example
She is truly **a person of her word**, always doing what she says.
她真的是一个信守承诺的人，总是做她说的事情。
idiom

take stock of

在做决定之前仔细审查情况
Meaning
to review a situation carefully before making decisions
Example
Let’s **take stock of** our priorities this quarter.
让我们在本季度评估我们的优先事项。
idiom

jump on the bandwagon

加入已经流行或成功的事物
Meaning
to join something that is already popular or successful
Example
Many people **jumped on the bandwagon** of budget travel.
许多人加入了廉价旅行的潮流。
idiom

keep your options open

推迟做出最终决定，以便保留选择
Meaning
to delay making a final decision so you have choices
Example
I’ll **keep my options open** until I hear back from all the universities.
我会**保持我的选择开放**，直到我收到所有大学的回复。
idiom

Lay down arms

停止战斗并投降
Meaning
to stop fighting and surrender
Example
After the long conflict, both sides decided to **lay down arms** and negotiate.
在长期冲突后，双方决定**放下武器**并进行谈判。
idiom

blow hot and cold

不断改变你的态度或情绪
Meaning
to keep changing your attitude or mood
Example
He’s **blowing hot and cold** about the new project.
他对这个新项目态度不断变化。
idiom

diplomatic tightrope

需要小心外交的微妙局势
Meaning
a delicate situation requiring careful diplomacy
Example
The president walked a **diplomatic tightrope** between the two rival nations.
总统在两个敌对国家之间走着外交的钢丝。
idiom

lay down

制定规则或原则
Meaning
to establish a rule or principle
Example
The manager **laid down** clear guidelines for remote work.
经理为远程工作制定了明确的指南。
idiom

throw a curveball

用意想不到的事情让某人感到惊讶
Meaning
to surprise someone with something unexpected
Example
The new policy really **threw us a curveball**.
新政策真的是让我们感到惊讶。
idiom

take someone's word for it

相信某人说的话是真的
Meaning
to trust that what someone says is true
Example
I’ll **take your word for it** since you were there.
因为你在那里，我**相信**你说的话。
idiom

short circuit

导致突然故障；突然中断过程
Meaning
to cause a sudden failure; to interrupt a process abruptly
Example
A small mistake **short-circuited** the entire project.
一个小错误让整个项目短路了。
idiom

make it big

变得非常成功或著名
Meaning
to become very successful or famous
Example
He moved to Hollywood to **make it big**.
他搬到好莱坞去**出名**。
idiom

Dressed to kill

穿着非常时尚或吸引人的衣服
Meaning
Wearing very fashionable or attractive clothes
Example
She was **dressed to kill** at the party last night.
她昨晚在派对上穿得非常惊艳。
idiom

have a crush on

对某人产生兴趣
Meaning
to be attracted to someone
Example
I **had a crush on** my classmate in college.
我曾经迷恋过大学的同班同学。
idiom

put your faith in the hands of

把某事交给别人去信任
Meaning
to trust someone with something important
Example
She decided to **put her faith in the hands of** her lawyer for the case.
她决定把自己的信任**交到**她律师的手中，以处理案件。
idiom

face a system error

经历突然的故障或崩溃
Meaning
to experience a sudden failure or breakdown
Example
Our plans **faced a system error** when the deal was canceled.
当交易被取消时，我们的计划**遇到了系统错误**。
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

a roof over your head

一个住的地方；一个避难所
Meaning
a place to live; a shelter
Example
At least we have **a roof over our heads**.
至少我们有一个地方住。
idiom

play dirty

使用不公平或不诚实的方法获胜
Meaning
to use unfair or dishonest methods to win
Example
Politicians often **play dirty** during elections.
政治家在选举中经常使用不诚实的方法。
idiom

without a care in the world

没有烦恼或问题
Meaning
free from worries or problems
Example
The kids were playing **without a care in the world**.
孩子们在**没有烦恼的情况下**玩耍。
idiom

social butterfly

喜欢与人见面和交谈的人
Meaning
someone who loves meeting and talking to people
Example
Emma is a **social butterfly**; she knows everyone at the event.
Emma 是一位 **社交蝴蝶**；她在活动中认识每个人。
idiom

hang loose

放松并轻松对待事情
Meaning
to relax and take things easy
Example
We’re on vacation, so just **hang loose** and enjoy.
我们在度假，所以放松并享受吧。
idiom

land a job

得到一份工作
Meaning
to successfully get a job
Example
He was thrilled to **land a job** at his dream company.
他很高兴能够在他的梦想公司得到一份工作。
idiom

burn your fingers

因不好的决定或错误而遭受痛苦
Meaning
to suffer because of a bad decision or mistake
Example
He **burned his fingers** by trusting the wrong person.
他因为信错了人，**烧了自己的手指**。
idiom

up against the wall

身处非常困难或绝望的境地
Meaning
to be in a very difficult or desperate situation
Example
The company is **up against the wall** financially after the recent losses.
该公司在最近的损失后，财务上**走投无路**。
idiom

circle back

稍后返回到一个话题或任务
Meaning
to return to a topic or task later
Example
Let's **circle back** to this issue after lunch.
我们午餐后再回到这个问题。
idiom

toss out

丢掉某物
Meaning
to throw something away
Example
We had to **toss out** the expired snacks.
我们不得不**丢掉**过期的零食。
idiom

jot down

快速写下某事，以便以后使用
Meaning
to write something quickly for later use
Example
I always **jot down** ideas as soon as they pop into my head.
我总是尽快写下我的想法，一旦它们出现在我脑海中。
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

eat someone alive

对某人极度嫉妒或愤怒
Meaning
to be extremely jealous or angry with someone
Example
She’s so jealous, she could **eat him alive**.
她太嫉妒了，简直能**吃掉他活生生的**。
idiom

to take the bull by the horns

直接并且果断地面对问题或挑战
Meaning
to confront a problem or challenge directly and with determination
Example
We need to **take the bull by the horns** and start making decisions now.
我们需要**抓住公牛的角**，现在开始做出决定。
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

take your life in your hands

做一些非常冒险或危险的事。
Meaning
To do something very risky or dangerous.
Example
You’re **taking your life in your hands** by driving in that storm.
你在那场暴风雨中开车就是在拿自己的生命冒险。
idiom

to nurse someone back to health

帮助某人从疾病中恢复
Meaning
to help someone recover from illness
Example
She **nursed her mother back to health** after the accident.
事故后，她帮助母亲恢复了健康。
idiom

open up

变得愿意分享想法或开始操作
Meaning
to become willing to share thoughts or to start operating
Example
He finally **opened up** about the challenges he’s facing.
他终于开始谈论他面临的挑战。
idiom

the calm before the storm

问题开始前的平静时光
Meaning
a peaceful time before trouble begins
Example
The classroom was silent, like **the calm before the storm**.
教室里很安静，就像**风暴前的宁静**。
idiom

take a leaf out of someone’s book

模仿或跟随某人的好榜样
Meaning
to imitate or follow someone’s good example
Example
Other cities should **take a leaf out of Copenhagen’s book** on eco-friendly transport.
其他城市应该**从哥本哈根的书中取经**，学习生态友好的交通方式。
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

burn a hole in one's pocket

很快或不负责任地花钱
Meaning
to spend money quickly or irresponsibly
Example
After receiving his bonus, he couldn't resist and **burned a hole in his pocket** by buying a new car.
收到奖金后，他忍不住买了一辆新车，把钱都花光了。
idiom

old flame

曾经有过浪漫关系的人
Meaning
a person one had a romantic relationship with in the past
Example
He met his **old flame** at the reunion.
他在聚会上遇见了他的**老情人**。
idiom

talk the talk

自信地谈论某事
Meaning
to speak confidently about something
Example
He can **talk the talk**, but can he walk the walk?
他能自信地谈论，但能做到吗？
idiom

balance out

反制或取消某事的效果
Meaning
to counteract or cancel the effect of something
Example
The extra volunteers should **balance out** the workload.
额外的志愿者应该平衡工作负载。
idiom

walking on air

感到非常高兴和激动
Meaning
to feel very happy and excited
Example
After winning the match, he was **walking on air**.
赢了比赛后，他高兴得飘飘然。
idiom

Talk through your hat

说胡话或谈论自己了解甚少的事物。
Meaning
To speak nonsense or about something one knows little about.
Example
He was **talking through his hat** about quantum physics.
他在 **胡说八道** 量子物理。
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

come back to earth

从兴奋或做白日梦中回到现实
Meaning
to return to reality after being excited or daydreaming
Example
After the vacation, it’s time to **come back to earth**.
假期后，应该是时候**回到现实**了。
idiom

ray of sunshine

某人或某物带来幸福
Meaning
someone or something that brings happiness
Example
Her smile is like a **ray of sunshine** on a cloudy day.
她的笑容就像是一个**阳光**在多云的日子里。
idiom

to throw one's hat into the ring

宣布参加某事的竞选或竞争意图
Meaning
to announce one’s candidacy or intention to compete in something
Example
He decided to **throw his hat into the ring** and run for mayor.
他决定**宣布参选**并竞选市长。
idiom

get it right

在犯错之后把事情做好
Meaning
to do something correctly after making a mistake
Example
It took a few tries, but she finally **got it right**.
尝试了几次，但她终于做对了。
idiom

fail better

通过从过去的失败中学习来改进
Meaning
to improve by learning from past failures
Example
Even if you fail, try to **fail better** next time.
即使你失败了，下次也要尽量**失败得更好**。
idiom

wrap up

完全完成某事
Meaning
to finish something completely
Example
We need to **wrap up** the report before lunch.
我们需要在午餐前完成报告。
idiom

debug the problem

识别并修复问题或错误
Meaning
to identify and fix issues or errors
Example
Let’s **debug the problem** before we push the update.
在我们推送更新之前，先调试这个问题。
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

wake up to

意识到某个重要的事情
Meaning
to become aware of something important
Example
Communities are **waking up to** the impact of noise pollution.
社区们正在意识到噪音污染的影响。
idiom

on the front line

直接参与某事中最活跃或最危险的部分
Meaning
directly involved in the most active or dangerous part of something
Example
Doctors were **on the front line** during the pandemic.
在疫情期间，医生们**在前线**。
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

the black sheep

一个对家族或团体造成耻辱的人
Meaning
a person who is a disgrace to their family or group
Example
He’s **the black sheep** of the family.
他是家族中的黑羊。
idiom

cut to the chase

迅速进入正题
Meaning
to get to the point quickly
Example
Let’s **cut to the chase** and discuss the main issue.
让我们直接进入正题，讨论主要问题。
idiom

the real McCoy

真正的或原始的东西
Meaning
the genuine or original thing
Example
This painting is **the real McCoy**, not a copy.
这幅画是**zhe real McCoy**，不是一副复制品。
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

natural language processing

一个人工智能领域，专注于计算机与人类语言之间的互动
Meaning
a field of AI that focuses on the interaction between computers and human language
Example
Natural language processing enables AI systems to understand and respond to human speech.
自然语言处理使AI系统能够理解并回应人类语言。
idiom

run a tight ship

有效且严格地管理一个组织或团队
Meaning
to manage an organization or group efficiently and strictly
Example
The manager **runs a tight ship**, and everyone follows the rules.
经理**严格管理团队**，每个人都遵守规则。
idiom

break the chains

摆脱限制或约束
Meaning
to free oneself from restrictions or limitations
Example
She wanted to **break the chains** of social expectations.
她想**打破社会期望的束缚**。
idiom

wait and see

耐心等待事情变得明朗
Meaning
to be patient until something becomes clear
Example
Let’s **wait and see** what happens next.
我们**等等看**接下来会发生什么。
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

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

No risk, no reward

你不能指望在不冒险的情况下取得成就。
Meaning
You can't expect to achieve something without taking risks.
Example
To get ahead in life, you have to understand that **no risk, no reward**.
为了在人生中前进，你必须理解**没有风险，没有回报**。
idiom

set in stone

固定且不太可能改变
Meaning
fixed and not likely to change
Example
Our schedule isn’t **set in stone** yet.
我们的时间表还没有**set in stone**。
idiom

keep the home fires burning

在别人不在时维持幸福的家
Meaning
to maintain a happy home while others are away
Example
While her husband was abroad, she **kept the home fires burning**.
当她丈夫在国外时，她**保持了家的温暖**。
idiom

back off

离开或停止给某人压力
Meaning
to move away or stop pressuring someone
Example
Let’s **back off** and give them space to decide.
让我们**退一步**，给他们一些决定的空间。
idiom

in hot water

陷入麻烦或困难
Meaning
in trouble or difficulty
Example
He’s **in hot water** for missing the meeting.
他因错过会议而陷入麻烦。
idiom

slip one's mind

不小心忘记了某事
Meaning
to forget something accidentally
Example
Sorry, it completely **slipped my mind** to call you.
对不起，我完全忘记给你打电话了。
idiom

hold yourself accountable

为你的行为承担个人责任
Meaning
to take personal responsibility for your actions
Example
You must always **hold yourself accountable** for your actions.
你必须总是**为自己的行为负责**。
idiom

hardwired to do something

天生倾向或被编程以某种方式行事
Meaning
to be naturally inclined or programmed to behave a certain way
Example
Humans are **hardwired to** seek connection and belonging.
人类天生被编程去寻找联系和归属感。
idiom

give someone the cold shoulder

故意忽视或表现出对某人不满
Meaning
to deliberately ignore or show disapproval toward someone
Example
After the argument, she **gave him the cold shoulder**.
争论后，她故意对他表现冷漠。
idiom

carry out one's duties

执行分配给自己的任务或责任
Meaning
to perform one's assigned tasks or responsibilities
Example
He always **carries out his duties** with honesty and dedication.
他总是以诚实和奉献精神完成自己的职责。
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

play both sides

支持对立方以获得优势
Meaning
to support opposing parties to gain advantage
Example
Some lobbyists are known to **play both sides** of the issue.
一些游说者以支持问题的两方而闻名。
idiom

iron out the kinks

解决小问题或瑕疵
Meaning
to resolve small problems or imperfections
Example
We’ll **iron out the kinks** before launch day.
我们将在发布日前解决所有小问题。
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

fine-tune

做出小的调整以提高性能
Meaning
to make small adjustments to improve performance
Example
The team **fine-tuned** the design before the final launch.
团队在最终发布前调整了设计。
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

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

let bygones be bygones

忘记过去的分歧并互相原谅
Meaning
to forget past disagreements and forgive each other
Example
They decided to **let bygones be bygones** and move forward.
他们决定忘记过去，继续前进。
idiom

work of art

非常美丽或巧妙制作的东西
Meaning
something very beautiful or skillfully made
Example
Her handmade dress is truly a **work of art**.
她的手工裙子真的是一件艺术品。
idiom

break away

从小组或常规中分离
Meaning
to separate from a group or routine
Example
She plans to **break away** from the commute by working remotely twice a week.
她计划通过每周远程工作两次来**break away**通勤。
idiom

new blood

新的人带来新鲜的想法
Meaning
new people who bring fresh ideas
Example
The company needs **new blood** to stay competitive.
公司需要**新的人**来保持竞争力。
idiom

give someone a piece of one’s mind

愤怒地告诉某人你的想法
Meaning
to tell someone angrily what you think
Example
She **gave him a piece of her mind** for being rude.
她因为他粗鲁而愤怒地训了他一顿。
idiom

rule out

决定某事不可能
Meaning
to decide that something is not possible
Example
We can’t **rule out** another delay yet.
我们还不能排除再次延迟的可能。
idiom

the moral compass

一个人或社会对是非善恶的判断力
Meaning
a person's or society’s sense of right and wrong
Example
We must ensure AI doesn’t lose its **moral compass**.
我们必须确保人工智能不会失去它的道德指南针。
idiom

show your true colors

展示你的真实本性或意图
Meaning
to reveal your real character or intentions
Example
He finally **showed his true colors** when he refused to help his friend in need.
他终于**展示了他的真实本性**，当他拒绝帮助需要帮助的朋友时。
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

take pride in yourself

为自己是谁或做什么而感到自豪
Meaning
to feel proud of who you are or what you do
Example
Always **take pride in yourself** and your achievements.
始终要**为自己和自己的成就感到自豪。**
idiom

dial into

连接到电话或会议
Meaning
to connect to a call or meeting
Example
We’ll **dial into** the client briefing at noon.
我们将在中午连接到客户简报会。
idiom

iron fist in a velvet glove

温和的外表掩藏着强烈的控制力
Meaning
a gentle outward appearance hiding strong control
Example
Her leadership style is an **iron fist in a velvet glove**.
她的领导风格就是**铁拳戴天鹅绒手套**。
idiom

lose your temper

突然生气
Meaning
to become angry suddenly
Example
He **lost his temper** when the kids broke the vase.
当孩子们打破花瓶时，他**失去了冷静**。
idiom

split-second decision

在没有太多思考的情况下迅速做出的决定
Meaning
a decision made very quickly without much thought
Example
The pilot had to make a **split-second decision** to avoid the crash.
飞行员必须做出 **分秒决策** 以避免撞机。
idiom

To break ground

开始一个新的项目或倡议。
Meaning
To begin a new project or initiative.
Example
The company is excited to **break ground** on their new office next month.
公司很高兴下个月在他们的新办公室**破土动工**。
idiom

carry the burden

承担责任或困难的任务
Meaning
to take on responsibility or a difficult task
Example
She had to **carry the burden** of the entire project alone.
她不得不独自**承担整个项目的重担**。
idiom

With friends like that, who needs enemies?

一个人的行为或举止让他们比敌人还要糟糕。
Meaning
A person’s actions or behavior make them worse than an enemy.
Example
He betrayed me again, **with friends like that, who needs enemies?**
他又背叛了我，**Wīth fùrénz lái kè dāt, hū nǐdz énìmíz?**
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

book someone

正式指控某人犯罪
Meaning
to officially charge someone with a crime
Example
The police **booked** him for theft.
警察因盗窃指控了他。
idiom

keep all your eggs in one basket

依赖于单一的计划或成功的来源
Meaning
to rely on a single plan or source of success
Example
Don’t **keep all your eggs in one basket** when investing.
投资时不要把所有的鸡蛋放在一个篮子里。
B2 idiom

up in the air

不确定或未决定
Meaning
Uncertain or undecided
Example
The plans for the project are still up in the air.
这个项目的计划仍悬而未决。
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

look forward to

对即将发生的事情感到兴奋
Meaning
to feel excited about something that is going to happen
Example
I **look forward to** meeting you soon.
我期待着尽快见到你。
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

own your mistakes

对自己犯的错误承担责任。
Meaning
to take responsibility for what you did wrong.
Example
It’s important to **own your mistakes** and learn from them.
重要的是要**承担自己的错误**并从中学习。
idiom

in full color

以极大的细节和生动性
Meaning
in great detail and vividness
Example
The documentary showed the event **in full color**.
纪录片展示了事件 **以极大的细节和生动性**。
idiom

hook the audience

吸引并保持观众的兴趣
Meaning
to capture and maintain the interest of the audience
Example
You need a strong headline to **hook the audience** immediately.
你需要一个强有力的标题来立即**吸引观众**的注意。
idiom

tell tales

闲聊或泄露秘密，通常是为了让某人陷入困境
Meaning
to gossip or reveal secrets, often to get someone in trouble
Example
Stop **telling tales** about your coworkers.
停止**谈论八卦**关于你的同事。
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

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

juggle with

同时处理多个任务或责任
Meaning
to handle several tasks or responsibilities at once
Example
She’s **juggling with** classes, work, and childcare.
她正在同时处理课堂、工作和儿童照料。
idiom

Build bridges, not walls

建立联系和友谊，而不是筑起隔阂
Meaning
Make connections and friendships rather than creating barriers
Example
Instead of fighting, let's **build bridges, not walls**.
与其争吵，不如建立桥梁，而不是高墙。
idiom

to fall flat on one's face

完全失败或让自己丢脸
Meaning
to fail completely or embarrass oneself
Example
The comedian **fell flat on his face** when no one laughed.
当没有人笑时，喜剧演员**跌得脸朝下**。
idiom

down the road

在未来
Meaning
in the future
Example
We may expand to other countries **down the road**.
我们可能在未来扩展到其他国家。
idiom

the long arm of the law

法律的权力和范围，用于抓捕罪犯
Meaning
the power and reach of the law to catch criminals
Example
**The long arm of the law** finally caught the escaped prisoner.
法律的长臂最终抓住了逃跑的囚犯。
idiom

once in a while

有时候，但不是很频繁
Meaning
sometimes, but not very often
Example
I enjoy eating out **once in a while**, but I prefer home-cooked meals.
我喜欢偶尔出去吃饭，但我更喜欢家常菜。
idiom

run someone down

不公平地批评某人；说某人坏话
Meaning
to criticize someone unfairly; to speak badly about someone
Example
He always **runs his coworkers down** behind their backs.
他总是在背后说同事的坏话。