lean over
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idiom

lean over

向前或向下弯曲
Meaning
to bend your body forward or downward
Example
Please don’t **lean over** the railing during the show.
请不要在表演期间弯腰靠在栏杆上。
idiom

loose lips sink ships

说得太多可能会造成麻烦
Meaning
talking too much can cause trouble
Example
Remember, **loose lips sink ships**—don’t share sensitive information.
记住，**松口会沉船**—不要分享敏感信息。
idiom

light the fire

激励或鼓舞人们充满热情地行动
Meaning
to inspire or motivate people to act passionately
Example
Her speech really **lit the fire** in the employees’ hearts.
她的演讲真正点燃了员工们心中的火焰。
idiom

lose your cool

变得生气或失去耐心
Meaning
to become angry or impatient
Example
Don’t **lose your cool**; the situation will get better.
不要失去冷静; 情况会好转。
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

leave a carbon footprint

通过日常活动造成污染或环境影响
Meaning
to cause pollution or environmental impact through daily activities
Example
Flying frequently can **leave a large carbon footprint**.
频繁飞行可能会**留下大量碳足迹**。
idiom

lighten up

别那么严肃或紧张
Meaning
to stop being so serious or stressed
Example
Come on, **lighten up**! It’s just a joke.
来吧，放轻松！这只是个玩笑。
idiom

Lose your shirt

失去大量金钱。
Meaning
To lose a lot of money.
Example
He **lost his shirt** gambling last night.
他昨晚在赌博中失去了他的衬衫。
idiom

light at the end of the tunnel

困难时期后的希望之兆
Meaning
sign of hope after a difficult period
Example
After months of struggle, she finally saw the **light at the end of the tunnel**.
经过数月的奋斗，她终于看到了隧道尽头的光明。
idiom

lie through one’s teeth

公然撒谎
Meaning
to tell an obvious and bold lie
Example
He **lied through his teeth** when he said he was sick.
他说自己生病了，其实是在公然撒谎。
idiom

lay the blame on

指责某人对某件坏事负责
Meaning
to accuse someone of being responsible for something bad.
Example
They tried to **lay the blame on** the new employee.
他们试图将责任归咎于新员工。
idiom

live from hand to mouth

勉强维持生计
Meaning
to barely have enough money to survive
Example
Many laborers **live from hand to mouth** every day.
许多工人每天勉强维持生计。
idiom

leap forward

一次突然而重大的进步
Meaning
a sudden and significant progress
Example
This innovation represents a **leap forward** in technology.
这一创新代表了技术上的一次**飞跃**。
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

live and let live

允许别人按照自己的方式生活，不去干涉
Meaning
to allow others to live as they choose without interference
Example
I believe in the principle of **live and let live**.
我相信**各过各的**的原则。
idiom

logged in

获得对计算机或系统的访问
Meaning
to gain access to a computer or system
Example
She **logged in** to check her emails.
她登录了以检查她的电子邮件。
idiom

lock and key

完全受保护或安全的
Meaning
completely secured or protected
Example
All confidential data is kept under **lock and key**.
所有机密数据都被保存在锁和钥匙之下。
idiom

level playing field

每个人都有平等机会的公平局面
Meaning
a fair situation where everyone has equal chances
Example
The new rules create a **level playing field** for all teams.
新规则为所有团队创造了一个**平等的竞争环境**。
idiom

learn the ropes

学习如何做一项特定的工作或活动
Meaning
to learn how to do a particular job or activity
Example
It took me a month to **learn the ropes** at my new job.
我花了一个月时间在我的新工作中**掌握基本知识**。
idiom

like a kid in a candy store

对许多选择或事物感到非常兴奋和开心
Meaning
very excited and happy about many options or things
Example
He was **like a kid in a candy store** when he saw all the gadgets.
当他看到所有的小玩意时，他**像糖果店里的孩子一样**开心。
idiom

law-abiding citizen

一个总是遵守法律的人
Meaning
a person who always follows the law
Example
He is known as a **law-abiding citizen** in the community.
他在社区中被称为**守法公民**。
idiom

live out of a suitcase

经常旅行；不在一个地方久留
Meaning
to travel frequently; to not stay in one place for long
Example
He’s been **living out of a suitcase** for months.
他已经好几个月都在外奔波，只带着一个行李箱。
idiom

life in the fast lane

一种充满兴奋、活动和有时风险的生活方式
Meaning
a lifestyle full of excitement, activity, and sometimes risk
Example
He enjoys **life in the fast lane** with parties and travel.
他喜欢和派对、旅行一起享受**快车道的生活**。
idiom

lend an ear

仔细听某人的问题或感受
Meaning
to listen carefully to someone’s problems or feelings
Example
She’s always ready to **lend an ear** when I’m feeling down.
当我心情不好时，她总是准备好认真倾听。
idiom

lend a listening ear

专心和同情地倾听
Meaning
to listen attentively and sympathetically
Example
Whenever I feel down, she always knows how to **lend a listening ear**.
每当我感到沮丧时，她总是知道如何专心倾听。
idiom

Left no stone unturned

尽可能尝试每一种方式来达成某事。
Meaning
To try every possible way to achieve something.
Example
The detective **left no stone unturned** to find the truth.
侦探为了解开真相，尽全力去找。
idiom

Lay bricks for the future

为未来的成功打下坚实的基础。
Meaning
To build a strong foundation for future success.
Example
Education helps children **lay bricks for the future**.
教育帮助孩子为未来打下坚实的基础。
idiom

lightbulb moment

一个突如其来的顿悟或灵感时刻
Meaning
a sudden moment of realization or inspiration
Example
He had a **lightbulb moment** when he figured out how to fix the code.
他在弄明白如何修复代码时，发生了一个**灯泡时刻**。
idiom

long in the tooth

变老
Meaning
getting old
Example
He’s a bit **long in the tooth** for this kind of work.
他有点**老了**，不太适合这种工作。
idiom

lay it on thick

夸大称赞或奉承
Meaning
to exaggerate praise or flattery
Example
She really **laid it on thick** when complimenting her boss.
她在夸奖老板时真的**过分夸奖**。
idiom

lucky break

突然的机会或好运
Meaning
a sudden opportunity or good fortune
Example
Getting that job was a **lucky break** for her.
得到那份工作对她来说是一次巨大的好运。
idiom

lay aside

暂时放下某物
Meaning
to put something away temporarily
Example
Please **lay aside** your phones during the briefing.
请在会议期间放下手机。
idiom

Lady Luck

把好运拟人化为一个带来好运的女人
Meaning
personification of luck as a woman who brings good fortune
Example
**Lady Luck** was on our side when we won the match.
当我们赢得比赛时，幸运之神站在我们这边。
idiom

lose faith in someone

失去对某人的信任
Meaning
to stop trusting someone
Example
After what he did, I’ve completely **lost faith in him**.
在他做了那件事之后，我完全失去了对他的信任。
idiom

lose your train of thought

忘记自己在想什么或在说什么
Meaning
to forget what you were thinking or saying
Example
I **lost my train of thought** when the phone rang.
电话响的时候，我忘了自己在想什么。
idiom

lose your mind

变得精神不稳定或极度心烦
Meaning
to become mentally unstable or extremely upset
Example
He nearly **lost his mind** after the breakup.
他在分手后几乎**疯了**。
idiom

Light a fire under someone

激励某人采取行动或更加努力工作。
Meaning
To motivate someone to take action or work harder.
Example
The coach’s speech really **lit a fire under** the players.
教练的演讲确实激励了球员们。
idiom

let off some steam

通过表达情感或进行某些身体活动来缓解压力或愤怒
Meaning
to relieve stress or anger by expressing feelings or doing something physical
Example
After that argument, he needed to **let off some steam** by hitting the gym.
那次争论后，他需要去健身房释放一些压力。
idiom

Look on the bright side

专注于情况的积极方面。
Meaning
To focus on the positive aspects of a situation.
Example
**Look on the bright side**, at least you learned something.
看看积极的一面，至少你学到了东西。
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

like a dog with two tails

极其高兴和兴奋
Meaning
extremely happy and excited
Example
He was **like a dog with two tails** after getting the promotion.
他在得到晋升后高兴得像有两条尾巴的狗。
idiom

look before you leap

在做任何事情之前，仔细思考可能的风险
Meaning
to think carefully about possible risks before doing something
Example
Before starting your own business, remember to **look before you leap**.
在开始自己的生意之前，记得 **look before you leap**。
idiom

lose one's temper

发脾气
Meaning
to become very angry
Example
He **lost his temper** when he saw the mess.
他看到那一团糟时发了脾气。
idiom

let something slip

不小心说出本该保密的事情
Meaning
to say something unintentionally that was meant to be secret
Example
She **let it slip** that she was moving abroad.
她不小心透露了她要搬到国外的事情。
idiom

lock down

完全保护或限制对某物的访问
Meaning
to secure or restrict access to something completely
Example
After detecting the breach, the company **locked down** all servers.
在发现漏洞后，公司**锁定**了所有服务器。
idiom

leave a mark

产生持久的影响或作用
Meaning
to have a lasting effect or influence
Example
Her leadership skills will surely **leave a mark** on the company.
她的领导能力将毫无疑问地**留下印记**在公司。
idiom

lay all your cards on the table

对你的意图或计划持开放和诚实的态度
Meaning
to be open and honest about your intentions or plans
Example
Let’s **lay all our cards on the table** and discuss the issue.
让我们坦诚相待，讨论这个问题。
idiom

lock horns

陷入争吵或打斗
Meaning
to get into an argument or fight
Example
They **locked horns** over the new proposal.
他们**为新提案发生争执**。
idiom

lovey-dovey

公开展示大量的亲密感情
Meaning
showing a lot of affection publicly
Example
The couple was being **lovey-dovey** at the restaurant.
那对情侣在餐厅里显得非常亲密。
idiom

let one's hair down

放松并自由享受
Meaning
to relax and enjoy oneself freely
Example
After the project ended, we all went out to **let our hair down**.
项目结束后，我们都出去**放松一下**。
idiom

look into

调查或检查某事
Meaning
to investigate or examine something
Example
They promised to **look into** the billing error today.
他们承诺今天调查账单错误。
idiom

loose cannon

一个无法预测的可能引发问题的人
Meaning
an unpredictable person who may cause problems
Example
He’s a **loose cannon** who often says things without thinking.
他是一个**松散的大炮**，经常在没有思考的情况下说话。
idiom

lost in translation

当意义在翻译或交流中丧失或改变时
Meaning
when the meaning is lost or changed in translation or communication
Example
The humor was **lost in translation** when the movie was dubbed.
当电影被配音时，幽默感在**翻译中失落**。
idiom

learn by doing

边做边学
Meaning
to gain knowledge through practical experience
Example
Students **learn by doing** during the science experiments.
学生们在科学实验中边做边学。
idiom

learn the hard way

通过经验学习某事，特别是通过犯错误来学习
Meaning
to learn something through experience, especially through making mistakes
Example
He **learned the hard way** that honesty is the best policy.
他**通过艰难的方式**学到了诚实是最好的政策。
idiom

love at first sight

一见钟情
Meaning
to fall in love immediately after meeting someone for the first time
Example
It was **love at first sight** when they met in college.
他们在大学见面时，这就是**一见钟情**。
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

learn from mistakes

通过理解和纠正错误来提升自己
Meaning
to improve oneself by understanding and correcting errors
Example
I always try to **learn from mistakes** to avoid repeating them.
我总是尝试从错误中学习，以避免重复它们。
idiom

let it go

停止为某事担忧；原谅或忘记
Meaning
to stop worrying about something; to forgive or forget
Example
She finally decided to **let it go** and move on.
她最终决定**放手**并继续前进。
idiom

light bulb moment

突如其来的领悟或新想法
Meaning
a sudden realization or new idea
Example
She had a **light bulb moment** while brainstorming for the campaign.
她在为活动进行头脑风暴时，突然有了一个**灵光一现**。
idiom

leaf through

随意翻阅书或杂志的页面
Meaning
to turn the pages of a book or magazine casually
Example
He likes to **leaf through** catalogs during lunch.
他喜欢在午餐时翻阅目录。
idiom

line up for

排队期待某事
Meaning
to queue in anticipation of something
Example
Fans will **line up for** tickets at dawn.
粉丝们将在黎明时分排队买票。
idiom

Let the dust settle

等到情况变得平静明朗
Meaning
Wait until a situation becomes calm and clear.
Example
Before making any decisions, let's **let the dust settle** and see what happens.
在做任何决定之前，让我们**让尘土落定**，看看会发生什么。
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

lightning fast

极快
Meaning
extremely fast
Example
She replied **lightning fast** to the email.
她对邮件的回复 **极快**。
idiom

lead generation

将陌生人吸引并转化为潜在客户的过程
Meaning
the process of attracting and converting strangers into potential customers
Example
We’re focusing on **lead generation** through free webinars.
我们正在通过免费的网络研讨会专注于**潜在客户生成**。
idiom

live and learn

把错误当作未来的教训来接受
Meaning
to accept a mistake as a lesson for the future
Example
I lost my wallet again — well, **live and learn**.
我又丢了钱包——好吧，活到老学到老。
idiom

let the cat out of the bag

不小心透露秘密
Meaning
to reveal a secret accidentally
Example
She **let the cat out of the bag** about the surprise party.
她不小心透露了惊喜派对的秘密。
idiom

lost in the moment

完全沉浸在你正在做的事情中
Meaning
to be completely absorbed in what you’re doing
Example
She was **lost in the moment** while painting her favorite landscape.
她在画她最喜欢的风景时，完全沉浸在那个时刻。
idiom

lay out

清楚地安排或解释某事
Meaning
to arrange or explain something clearly
Example
He will **lay out** the budget during the meeting.
他会在会议上详细说明预算。
idiom

low-hanging fruit

容易实现或达到的事情
Meaning
something easy to achieve or target
Example
We should focus on the **low-hanging fruit** before tackling bigger goals.
我们应该先关注那些**容易实现的目标**，然后再处理更大的目标。
idiom

lead from the front

以身作则，采取主动
Meaning
to lead by example, taking the initiative
Example
A good leader knows how to **lead from the front** and inspire others to follow.
一个好的领导者知道如何 **lead from the front** 并激励他人跟随。
idiom

lose touch

与某人失去联系
Meaning
to stop communicating with someone
Example
We **lost touch** after college.
我们大学毕业后失去了联系。
idiom

lay into

严厉批评某人
Meaning
to criticize someone harshly
Example
Instead of **laying into** the intern, offer some guidance.
与其批评实习生，不如提供一些指导。
idiom

live up to expectations

履行对你的期望
Meaning
to fulfill what is expected of you
Example
He worked hard to **live up to expectations**.
他努力工作以达到期望。
idiom

laugh off

把某事当作玩笑来搪塞或不当回事
Meaning
to dismiss something by treating it as a joke
Example
She tried to **laugh off** the mistake during the presentation.
她试图在演讲中把那个错误当作玩笑来搪塞过去。
idiom

luck of the Irish

与爱尔兰人民相关的好运
Meaning
good fortune associated with Irish people
Example
He found gold! Must be the **luck of the Irish**.
他找到了黄金！一定是**爱尔兰的好运**。
idiom

long time no see

当你很久后遇见某人时使用
Meaning
used when you meet someone after a long time
Example
**Long time no see!** How have you been?
好久不见！你怎么样？
idiom

lend a helping hand

提供援助或支持
Meaning
to offer assistance or support
Example
She always tries to **lend a helping hand** to those in need.
她总是尽力帮助有需要的人。
idiom

live the dream

过上自己一直梦想的生活
Meaning
to be living the life you always wanted
Example
After years of hard work, he’s finally **living the dream**.
经过多年的努力，他终于过上了梦想中的生活。
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

leave no stone unturned

为实现目标而做一切可能的事情
Meaning
to do everything possible to achieve a goal
Example
The police **left no stone unturned** in their search for the missing child.
警方在寻找失踪儿童时**不遗余力**。
idiom

lock it down

完全确保某事
Meaning
to secure something completely
Example
Before launching the website, make sure to **lock it down**.
在启动网站之前，请确保**锁定它**。
idiom

lay your cards on the table

公开和诚实地表达你的意图或计划
Meaning
to be open and honest about your intentions or plans
Example
Let’s **lay our cards on the table** and discuss this honestly.
让我们**把卡片摆在桌面上**，诚实地讨论这个问题。
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

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

lose sleep over something

为某事过度担心
Meaning
to worry a lot about something
Example
Don’t **lose sleep over** minor issues.
不要为小事失眠。
idiom

leave a legacy

创造一些在你离开后仍然存在并能为他人带来好处的东西
Meaning
to create something that lasts and benefits others after you are gone
Example
He worked hard all his life to **leave a legacy** for his children.
他一生都在努力工作，为他的孩子们**留下遗产**。
idiom

latch onto

快速接受一个想法或与某人建立联系。
Meaning
to quickly embrace an idea or connect with someone
Example
The students quickly **latched onto** the new study app.
学生们迅速接受了新的学习应用。
idiom

light years ahead

比其他人先进得多
Meaning
far more advanced than others
Example
This new smartphone is **light years ahead** of its competitors.
这款新智能手机比竞争对手领先很多。
idiom

lost for words

哑口无言，因惊讶或震惊而无法说话
Meaning
unable to speak because of surprise or shock
Example
I was **lost for words** when I saw the results.
当我看到结果时，我无言以对。
idiom

level up

提升或晋升到更高的水平
Meaning
to improve or advance to a higher level
Example
With his hard work, he has been able to **level up** in his career.
通过努力工作，他能够在他的职业生涯中**level up**。
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

learn by heart

背诵
Meaning
to memorize something perfectly
Example
He **learned the poem by heart** for the recital.
他为朗诵背诵了诗歌。
idiom

left speechless

如此惊讶以至于说不出话
Meaning
so surprised that you cannot speak
Example
I was **left speechless** by her generosity.
她的慷慨让我惊讶得说不出话。
idiom

let off steam

释放强烈的情绪或能量
Meaning
to release strong emotions or energy
Example
I went to the gym to **let off steam** after a stressful day.
我去健身房释放一天的压力。
idiom

lost in space

困惑或没有注意
Meaning
confused or not paying attention
Example
He looked completely **lost in space** during the lecture.
他在讲座期间看起来完全困惑。
idiom

lazy bones

一个懒人
Meaning
a lazy person
Example
Come on, **lazy bones**, get out of bed!
快点，**懒骨头**，起床！
idiom

lose track of

忘记或不再意识到某事
Meaning
to forget or stop being aware of something
Example
I completely **lost track of time** while watching the movie.
我看电影时完全忘了时间。
idiom

let someone off the hook

释放某人免受责任或惩罚
Meaning
to release someone from blame or punishment
Example
The judge decided to **let him off the hook** with a warning.
法官决定放过他，只给了警告。
idiom

lose ground

在一种情况下失去优势或控制
Meaning
to lose advantage or control in a situation
Example
During the talks, one side began to **lose ground** quickly.
在谈判中，一方迅速开始**失去地盘**。
idiom

laugh your head off

笑得前仰后合
Meaning
to laugh very loudly or uncontrollably
Example
The movie was so funny that we **laughed our heads off**.
这部电影太搞笑了，以至于我们笑得前仰后合。
idiom

leave aside

推迟讨论某事
Meaning
to postpone discussion of something
Example
Let’s **leave aside** that issue until we have more data.
让我们**搁置**这个问题，直到我们有更多的数据。
idiom

leap of faith

在不知道结果的情况下去做某事
Meaning
to do something without knowing the outcome
Example
Starting his own company was a **leap of faith** for him.
创办自己的公司对他来说是一次**信念的飞跃**。
idiom

lock in

确保某事无法更改
Meaning
to secure something so it cannot change
Example
Let's **lock in** the reservation before the price goes up.
我们在价格上涨前把预定锁定。
idiom

light up someone’s day

让某人开心
Meaning
to make someone happy
Example
Your kind words **lighted up my day**.
你的友善话语照亮了我的一天。
idiom

lead by example

通过亲自做示范来向他人展示如何行为
Meaning
to show others how to behave by doing it yourself
Example
A true leader always **leads by example**.
一个真正的领导者总是以身作则。
idiom

living the dream

过上一直渴望的生活
Meaning
living a life that one always desired
Example
After years of hard work, he’s finally **living the dream**.
经过多年的辛勤工作，他终于在**过着梦想中的生活**。
idiom

life of the party

聚会中最活跃和最有娱乐性的人
Meaning
the most lively and entertaining person at a party
Example
Jake is always the **life of the party**.
杰克总是聚会的**life of the party**。
idiom

lose your nerve

失去做某事的勇气
Meaning
to become too frightened to do something
Example
I was going to ask her out, but I **lost my nerve**.
我本打算约她出去，但我失去了勇气。
idiom

let sleeping dogs lie

避免提出会引起麻烦的问题
Meaning
to avoid bringing up a problem that will cause trouble
Example
It is better to **let sleeping dogs lie**.
最好让睡着的狗保持安静。
idiom

line up with

与某物匹配或同意
Meaning
to match or agree with something
Example
These metrics **line up with** our targets.
这些指标**与**我们的目标一致。
idiom

Lead the charge

处于行动或运动的最前沿
Meaning
to be at the forefront of an action or movement
Example
He was the one to **lead the charge** in the new project.
他是新项目中**带头冲锋**的人。
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

leave something up in the air

把某事留未決或不確定
Meaning
to leave something undecided or uncertain
Example
We left the meeting **up in the air** without any clear decision.
我們把會議**懸而未決**，沒有任何明確的決定。
idiom

lay it on the line

在某事上非常清楚或直接
Meaning
to be very clear or direct about something
Example
I'll **lay it on the line**—if we don't improve, we'll lose investors.
我会**lay it on the line**—如果我们不改进，我们将失去投资者。
idiom

log off

从计算机系统断开连接
Meaning
to disconnect from a computer system
Example
Don’t forget to **log off** before you leave the office.
离开办公室前，别忘了登出。
idiom

learning on the fly

在没有准备的情况下快速学习和适应
Meaning
to adapt and learn quickly without prior preparation
Example
AI systems are **learning on the fly** from user data.
人工智能系统正在从用户数据中快速学习。
idiom

love is blind

恋爱中的人看不到对方的缺点
Meaning
people in love do not see each other's faults
Example
They say **love is blind**, and he proves it every day.
他们说**爱情是盲目的**，他每天都在证明这一点。
idiom

lay the foundation

为某事创造基础或起点
Meaning
to create the base or starting point for something
Example
They worked hard to **lay the foundation** for future growth.
他们努力工作，为未来的增长**打下基础**。
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。