look into
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All Types idiom phrasal-verb proverb
Content locale
EN 英语 BN 孟加拉语 HI 印地语 ES 西班牙语 FR 法语 DE 德语 RU 俄语 ZH 中文 JA 日语
All Expression Cards All Expressions
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

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

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

like one big happy family

和谐生活或工作在一起的人们
Meaning
people living or working together in harmony
Example
Our office team works **like one big happy family**.
我们的办公室团队**像一个大家庭一样工作**。
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

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

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

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

line up

安排人或物品的顺序或安排某事
Meaning
to arrange people or things in order or to schedule something
Example
We’ve **lined up** three guest speakers for the conference.
我们已经为会议安排了三位嘉宾演讲者。
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

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

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 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

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

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 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

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

let your hair down

放松并自由地享受
Meaning
to relax and enjoy yourself freely
Example
At the party, everyone **let their hair down**.
在派对上，每个人**放松自己并尽情享受**。
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

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

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

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

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 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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

lay off

因缺乏工作或资金而解雇某人
Meaning
to dismiss someone from a job due to lack of work or money
Example
The company hopes to avoid having to **lay off** employees.
公司希望避免不得不解雇员工。
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

lean on

依赖某人提供支持
Meaning
to depend on someone for support
Example
You can always **lean on** me when things get tough.
当事情变得艰难时，你可以随时依赖我。
idiom

Living beyond one’s means

花费比自己能够负担的更多的钱。
Meaning
Spending more money than one can afford.
Example
Many people get into debt by **living beyond their means**.
许多人因为**生活超出自己能力范围**而陷入债务。
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

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

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

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 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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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 of the jungle

强者生存；缺乏秩序或法律
Meaning
survival of the strongest; lack of order or law
Example
In war, the **law of the jungle** often applies.
在战争中，**丛林法则**常常适用。
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

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

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

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

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

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

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

lose interest

对某事失去兴趣
Meaning
to stop being interested in something
Example
He quickly **lost interest** in the project.
他很快就对这个项目失去了兴趣。
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

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

lean into

拥抱并积极参与某事
Meaning
to embrace and actively engage with something
Example
She decided to **lean into** the new role and learn quickly.
她决定拥抱这个新角色并迅速学习。
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

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

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

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

live up to one's promise

履行承诺或预期的内容
Meaning
to fulfill what was promised or expected
Example
He **lived up to his promise** and completed the project.
他**履行了他的承诺**并完成了项目。
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

lend a hand

帮助某人做某事
Meaning
to help someone with something
Example
Can you **lend a hand** with these boxes?
你能帮忙搬这些箱子吗？
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

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

lock someone up

将某人监禁或关进监狱
Meaning
to imprison or jail someone
Example
They managed to **lock him up** for his crimes.
他们设法因他的罪行将他**关进监狱**。
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

Like two peas in a pod

两个非常相似或亲近的人。
Meaning
Two people who are very similar or close.
Example
John and Mike are **like two peas in a pod**. They think alike and do everything together.
约翰和迈克是**像豌豆荚里的两颗豌豆**。他们想法相同，一起做所有的事情。
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

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

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

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

lay one’s cards on the table

对一个人的意图或感受保持开放和诚实
Meaning
to be open and honest about one’s intentions or feelings
Example
It’s time to **lay our cards on the table** and discuss the issue.
现在是时候**把我们的牌摊在桌面上**并讨论这个问题了。
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

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

let nature take its course

让大自然自然而然地发展
Meaning
to allow natural processes to happen without interference
Example
Sometimes the best solution is to **let nature take its course**.
有时，最好的解决方案是**让大自然自然而然地发展**。
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

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

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

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

learn from your mistakes

利用过去错误的经验来改善未来的行为
Meaning
to use the experience of past errors to improve future behavior
Example
Everyone makes errors, but wise people **learn from their mistakes**.
每个人都会犯错误，但聪明的人**从错误中学习**。
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

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

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

level the playing field

使情况对每个人都公平
Meaning
to make a situation fair for everyone
Example
The new regulations are designed to **level the playing field** for all companies.
新规定旨在为所有公司创造公平的竞争环境。
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

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

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

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

lose confidence

失去信心
Meaning
to stop believing in your own ability or someone else’s
Example
Don’t **lose confidence** after one failure.
失败后不要失去信心。
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！