dead tired
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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

add color to

使某事变得更加有趣或生动
Meaning
to make something more interesting or lively
Example
The teacher’s stories **added color to** the history lesson.
老师的故事**为历史课增添了色彩**。
idiom

penny wise and pound foolish

小额钱财谨慎，大额钱财浪费
Meaning
careful with small amounts of money but wasteful with large amounts
Example
He’s **penny wise and pound foolish** when it comes to investments.
他在投资上是**penny wise and pound foolish**。
idiom

in a tight spot

处于一个困难或棘手的情况
Meaning
to be in a difficult or tricky situation
Example
He found himself **in a tight spot** when both friends asked for help.
当两个朋友请求帮助时，他发现自己**陷入困境**。
idiom

olive branch

和平或和解的姿态
Meaning
a gesture of peace or reconciliation
Example
The president extended an **olive branch** by inviting his rival to the summit.
总统通过邀请他的对手参加峰会来伸出**橄榄枝**。
idiom

Supply and demand

某物的可用量和人们想要它的程度之间的关系。
Meaning
The relationship between how much of something is available and how much people want it.
Example
The price of oil depends largely on **supply and demand**.
石油的价格在很大程度上取决于**供求关系**。
idiom

give someone the creeps

让某人感到不舒服或害怕
Meaning
to make someone feel uncomfortable or afraid
Example
Old abandoned houses **give me the creeps**.
那些旧的废弃房子让我毛骨悚然。
idiom

offline mode

断开互联网或无法使用的状态
Meaning
a state of being disconnected from the internet or unavailable
Example
He’s been in **offline mode** all weekend, not answering any messages.
他整个周末都处于离线模式，没有回复任何消息。
idiom

in the same boat

与他人处于同样的困难境地
Meaning
to be in the same difficult situation as others
Example
We are all **in the same boat** with these challenges.
面对这些挑战，我们都处在同一条船上。
idiom

nothing to write home about

没有什么特别或有趣的
Meaning
not special or interesting
Example
The movie was **nothing to write home about**.
这部电影没什么特别的。
idiom

write down

在纸上记录信息
Meaning
to record information on paper
Example
Please **write down** the maintenance request number.
请**写下**维修请求编号。
idiom

connect the dots

在思想或信息之间建立联系
Meaning
to make connections between ideas or information
Example
Once you **connect the dots**, the whole picture will make sense.
一旦你**连接点**，整个图像就会有意义。
idiom

feel for

对某人有同情心
Meaning
to have sympathy for someone
Example
We really **feel for** anyone stuck in that traffic.
我们真的为任何被困在那个交通中的人感到同情。
idiom

fail to deliver

没有达到期望或未成功完成任务
Meaning
to not meet expectations or complete a task successfully
Example
The company promised improvements but failed to **deliver** on its promises.
公司承诺了改进，但未能 **兑现** 承诺。
idiom

Know it all

一个表现得像是知道一切的人。
Meaning
Someone who acts as if they know everything.
Example
He’s such a **know it all**, it’s annoying.
他是一个**自以为是的人**，这让人讨厌。
idiom

call around

通过电话联系几个人或地方
Meaning
to contact several people or places by phone
Example
I’ll **call around** to find a venue with parking.
我会打电话给几个地方，找一个有停车位的地方。
idiom

the writing on the wall

某种预示着不久后会发生坏事的迹象
Meaning
a sign that something bad will happen soon
Example
When sales started falling, the manager saw **the writing on the wall**.
当销售开始下降时，经理看到了**墙上的字**。
idiom

fight tooth and nail

拼命地奋斗，毫不退缩
Meaning
to fight very fiercely or with great determination
Example
They **fought tooth and nail** to protect their rights.
他们拼尽全力保护自己的权利。
idiom

as happy as a clam

感到完全快乐和满足
Meaning
feeling completely happy and content
Example
After a long vacation, he was **as happy as a clam**.
长假之后，他感到非常快乐。
idiom

deep down

在内心深处
Meaning
in one’s innermost feelings
Example
**Deep down**, she knew she was wrong.
在内心深处，她知道自己错了。
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

set an example

以一种其他人应该跟随的方式行事
Meaning
to behave in a way that others should follow
Example
A true leader **sets an example** for others to follow.
一个真正的领导者为其他人树立**榜样**。
idiom

Heart full of gratitude

深深感激和欣赏。
Meaning
Deeply thankful and appreciative.
Example
She spoke with a **heart full of gratitude** for her teachers.
她带着**心满感激**的话语谈论她的老师。
idiom

give it a shot

尝试某事，即使你不确定是否会成功
Meaning
to try something, even if you are not sure of success
Example
You should **give it a shot**; you might surprise yourself.
你应该尝试一下；你可能会让自己惊讶。
idiom

hack the system

进入系统或网络以获得未经授权的访问权限
Meaning
to break into a system or network to gain unauthorized access
Example
He was caught trying to **hack the system** for personal gain.
他在试图黑入系统以谋取个人利益时被抓住了。
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

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

give it a rest

停止谈论或思考一些令人紧张的事情
Meaning
to stop talking or thinking about something stressful
Example
You’ve been worrying too much—**give it a rest**.
你太担心了，放松一下吧。
idiom

trailblazer

第一个做创新事物的人
Meaning
a person who is the first to do something innovative
Example
Elon Musk is often seen as a **trailblazer** in the tech industry.
埃隆·马斯克常被视为科技行业的**trailblazer**。
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

own the mistake

承担做错事的责任
Meaning
to take responsibility for doing something wrong
Example
A good leader knows how to **own the mistake** and learn from it.
一个好的领导知道如何承担错误并从中学习。
idiom

bear in mind

记住或考虑某事
Meaning
to remember or consider something
Example
**Bear in mind** that traffic will be heavy at that time.
请记住，那时交通会很拥挤。
idiom

get your hands dirty

参与一项任务的艰苦或不愉快的工作
Meaning
to engage in the hard or unpleasant work of a task
Example
A true leader will not hesitate to **get their hands dirty** when necessary.
真正的领导者在必要时不会犹豫弄脏手。
idiom

party pooper

破坏他人乐趣的人
Meaning
someone who spoils the fun of others
Example
Don’t be a **party pooper**, join the fun!
不要做扫兴者，加入欢乐吧！
idiom

give in

停止抵抗或在最初拒绝后同意
Meaning
to stop resisting or to agree after initial refusal
Example
After a long debate, the committee finally **gave in**.
经过长时间的辩论，委员会最终屈服了。
idiom

get the jitters

感到极度紧张或焦虑
Meaning
to feel extremely nervous or anxious
Example
I always **get the jitters** before a big meeting.
我总是在重要会议前感到紧张。
idiom

Keep your head above water

设法在困难中生存或应对。
Meaning
Manage to survive or cope with difficulties.
Example
It’s hard, but I’m trying to **keep my head above water**.
很难，但我在尽力保持生存。
idiom

Hold out

继续生存或抵抗很长时间。
Meaning
Continue to survive or resist for a long time.
Example
They managed to **hold out** until help arrived.
他们成功地坚持到帮助到达。
idiom

hold oneself accountable

为自己的行为或决定承担责任
Meaning
to take responsibility for one's actions or decisions
Example
A true leader **holds himself accountable** for the team’s failures.
真正的领导者会为团队的失败承担责任。
idiom

bite the bullet

决定做一些困难或令人不愉快的事情，之前一直拖延或犹豫不决
Meaning
to decide to do something difficult or unpleasant that one has been putting off or hesitating about
Example
I decided to **bite the bullet** and finish my homework.
我决定**咬子弹**并完成我的作业。
idiom

brush past

轻轻接触并迅速经过某人或某物
Meaning
to move quickly by someone or something with slight contact
Example
He **brushed past** the reporters without stopping.
他**轻轻地擦过**记者们没有停下来。
idiom

beat the algorithm

找到一种方法来智取或绕过系统的逻辑
Meaning
to find a way to outsmart or bypass a system's logic
Example
Marketers always try to **beat the algorithm** for better reach.
营销人员总是尝试**击败算法**以获得更好的覆盖范围。
idiom

bookend something

标志某事的开始和结束
Meaning
to mark the beginning and end of something
Example
Her career was **bookended** by two great performances.
她的职业生涯以两场精彩的表演为开端和结束。
idiom

give it time

等待某事改善或发生
Meaning
to wait for something to improve or happen
Example
**Give it time**, you’ll see results soon.
给点时间，你很快就会看到结果。
idiom

make it happen

采取行动去实现某事
Meaning
take action to achieve something
Example
Stop dreaming and **make it happen**.
停止做梦，让它实现。
idiom

grinning from ear to ear

因为高兴而笑得很灿烂
Meaning
smiling broadly due to happiness
Example
He was **grinning from ear to ear** after receiving the gift.
他收到礼物后笑得合不拢嘴。
idiom

hush-hush

保密或非常机密
Meaning
kept secret or very confidential
Example
The project is still **hush-hush**, so don’t mention it.
该项目仍然保密，所以不要提到它。
idiom

Don’t lose heart

不要灰心。
Meaning
Don’t become discouraged.
Example
Even if you fail once, **don’t lose heart**.
即使你失败一次，也不要灰心。
idiom

to rise to the occasion

在面对挑战时展现必要能力
Meaning
to show the necessary ability when faced with a challenge
Example
When the team needed him most, he **rose to the occasion** and led them to victory.
当团队最需要他时，他迎难而上并带领他们取得胜利。
idiom

Band together

为了共同的目标而团结起来。
Meaning
To unite for a common purpose.
Example
The workers **banded together** to demand better wages.
工人们团结起来要求更高的工资。
idiom

apple of someone’s eye

某个非常珍爱的人
Meaning
someone very precious or loved
Example
Her son is the **apple of her eye**.
她的儿子是她的掌上明珠。
idiom

a ticking time bomb

一个随时可能变得危险的情况或人。
Meaning
A situation or person that could become dangerous at any moment.
Example
His anger issues make him **a ticking time bomb**.
他的愤怒问题让他成为一颗定时炸弹。
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

match made in heaven

完美的浪漫情侣
Meaning
a perfect romantic couple
Example
Everyone says they are a **match made in heaven**.
每个人都说他们是**天作之合**。
idiom

security blanket

让人有安全感或安慰的东西
Meaning
something that gives a sense of safety or comfort
Example
Using a strong password manager is my **security blanket** online.
使用强密码管理器是我在网上的**安全毯**。
idiom

upload your brain

将一个人的思想、知识或意识以数字方式转移或存储
Meaning
to transfer or store one’s thoughts, knowledge, or consciousness digitally
Example
One day we might be able to **upload our brain** into the cloud.
有一天我们可能能够将我们的脑袋**上传到云端**
idiom

deep learning dive

在深入的层面上学习或探索某事
Meaning
to study or explore something in great depth
Example
He took a **deep learning dive** into neural networks last month.
他上个月对神经网络进行了**深度学习潜水**。
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

cold fish

一个没有情感或缺乏温暖的人
Meaning
a person who is unemotional or lacks warmth
Example
He’s such a **cold fish**; he never shows his feelings.
他真是个**冷血的家伙**；他从不表现自己的感受。
idiom

warm up to

逐渐变得更适应与某人或某事
Meaning
to gradually become more comfortable with someone or something
Example
She slowly **warmed up to** the new routine.
她慢慢适应了新的日程。
idiom

share the love

通过点赞或分享某人的帖子来表示支持或赞赏
Meaning
to show support or appreciation by liking or sharing someone’s post
Example
**Share the love** by liking and commenting on this post!
通过点赞和评论此帖子来分享爱！
idiom

a political hot potato

一个有争议或敏感的政治问题
Meaning
a controversial or sensitive political issue
Example
Immigration has become **a political hot potato** in the country.
移民问题已成为该国的**政治烫手山芋**。
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

the whole nine yards

一切；整个努力
Meaning
everything; the entire effort
Example
She went **the whole nine yards** to make her wedding perfect.
她为使自己的婚礼完美付出了所有努力。
idiom

honor your commitments

履行承诺和义务
Meaning
to fulfill promises and obligations
Example
You must always **honor your commitments**, no matter how difficult they are.
无论多么困难，你都必须始终**履行承诺**。
idiom

carve your own path

开辟自己的道路以获得成功或独立
Meaning
to create your own way of achieving success or independence
Example
She decided to **carve her own path** instead of joining her family business.
她决定**开辟自己的道路**，而不是加入家族企业。
idiom

break the law

犯下非法行为
Meaning
to commit an illegal act
Example
Anyone who **breaks the law** should be punished.
任何**违法的人**都应该受到惩罚。
idiom

cross your fingers

希望事情按你想要的方式发生
Meaning
to hope that things will happen the way you want
Example
I'm **crossing my fingers** that I get the job.
我在祈祷我能得到这份工作。
idiom

head off for

前往目的地
Meaning
to depart for a destination
Example
We’ll **head off for** the airport at 5 a.m.
我们将在早上5点出发去机场。
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

keep things in perspective

通过现实地看待事物保持冷静
Meaning
to stay calm by seeing things realistically
Example
When stressed, try to **keep things in perspective**.
当感到压力时，试着**保持事情的视角**。
idiom

to lay down the law

主张权威并决定事情应该如何做
Meaning
to assert authority and dictate how things should be done
Example
The new judge quickly **laid down the law** in the courtroom.
新法官很快在法庭上**放下法律**。
idiom

check over

仔细检查某事以发现错误
Meaning
to examine something carefully for mistakes
Example
Let’s **check over** the draft before sending it.
在发送之前我们检查过草稿。
idiom

thank your lucky stars

因好运而心存感激
Meaning
to feel grateful for good fortune
Example
You should **thank your lucky stars** for having such good friends.
你应该感谢你的幸运星，因为你有这么好的朋友。
idiom

blackout

暂时失去意识
Meaning
to lose consciousness temporarily
Example
He suddenly **blacked out** during the match.
他在比赛中突然**晕倒**。
idiom

in the black

盈利；财务稳定
Meaning
making a profit; financially stable
Example
Our company is finally **in the black** after two years.
我们公司在两年后终于**盈利了**。
idiom

in the dark web

在互联网上一个隐藏或秘密的部分，用于非法活动
Meaning
in a hidden or secret part of the internet used for illegal activities
Example
Stolen credentials often end up **in the dark web**.
被盗的凭证通常会出现在**黑暗网络中**。
idiom

Wear many hats

拥有多个角色或责任。
Meaning
To have many roles or responsibilities.
Example
As a small business owner, she **wears many hats**.
作为小企业主，她肩负着多重责任。
idiom

butter wouldn’t melt in their mouth

看起来无辜的人，实际上可能并非如此
Meaning
someone who looks innocent but might not be
Example
She looks so sweet—**butter wouldn’t melt in her mouth**.
她看起来那么甜美—**黄油在她嘴里不会融化**。
idiom

Don’t give up the ship

不要放弃；即使在困难的情况下也要继续努力。
Meaning
Don’t surrender; keep trying even in difficult circumstances.
Example
The battle isn't over yet, so don’t **give up the ship**.
战斗还没有结束，所以不要 **放弃这艘船**。
idiom

burst with happiness

充满了极大的喜悦或兴奋
Meaning
to be full of great joy or excitement
Example
The parents **burst with happiness** when they saw their newborn baby.
当父母看到他们的新生婴儿时，他们充满了喜悦。
idiom

shake things up

在一种情况下引起变化以使其变得更好
Meaning
to cause change in a situation to make it better
Example
The manager decided to **shake things up** in the team.
经理决定在团队中**做出改变**。
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

the whole truth and nothing but the truth

完全诚实，不隐藏或改变任何事物
Meaning
complete honesty without hiding or changing anything
Example
Please tell **the whole truth and nothing but the truth**.
请告诉我 **整个真相以及除了真相以外的什么都没有**。
idiom

code your way out

通过编程技能解决问题
Meaning
to solve a problem through programming skills
Example
When the system crashed, she managed to **code her way out**.
当系统崩溃时，她成功地**编程解决了问题**。
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

a cold war

没有公开战争的政治敌对状态
Meaning
a state of political hostility without open warfare
Example
The two nations seem to be entering **a cold war** again.
这两个国家似乎又进入了一场冷战。
idiom

stressed out

因为问题而感到非常担心或紧张
Meaning
feeling very worried or tense because of problems
Example
I'm completely **stressed out** about my exams.
我因为考试而感到完全**压力过大**。
idiom

the vision thing

清晰地想象和规划未来的能力
Meaning
the ability to imagine and plan the future clearly
Example
Many politicians lack **the vision thing**.
许多政治家缺乏远见。
idiom

count on

依赖某人做某事
Meaning
to rely on or trust someone to do something
Example
You can always **count on** me.
你总是可以依赖我。
idiom

cool off

冷却或冷静
Meaning
to become less hot or less angry
Example
Let the soup **cool off** before serving.
让汤在上桌前冷却。
idiom

patch together

快速且粗略地组装某物
Meaning
to assemble something quickly and roughly
Example
We managed to **patch together** a plan before the call.
我们在电话前匆忙凑出了一个计划。
idiom

give it your all

尽全力或用尽全部精力
Meaning
to try your best or use all your energy
Example
If you **give it your all**, you’ll be proud of yourself no matter the result.
如果你尽全力，不论结果如何，你都会为自己感到自豪。
idiom

cover all the bases

为每个可能的情况做好准备
Meaning
to prepare for every possible situation
Example
We need to **cover all the bases** before the meeting.
我们需要在会议之前做好准备。
idiom

as luck would have it

碰巧；幸运或不幸
Meaning
by chance; fortunately or unfortunately
Example
**As luck would have it**, I met my old friend at the airport.
碰巧，我在机场遇见了我的老朋友。
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

neural network

一系列算法，尝试在数据集中识别潜在的关系。
Meaning
A series of algorithms that attempt to recognize underlying relationships in a set of data.
Example
The AI system was built using a **neural network** to recognize patterns.
该AI系统是使用**神经网络**来识别模式构建的。
idiom

fall in with

加入或同意一个小组或计划
Meaning
to join or agree with a group or plan
Example
She decided to **fall in with** the volunteer crew for the weekend.
她决定加入志愿者团队度过周末。
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

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

burning the midnight oil

熬夜工作
Meaning
working late into the night
Example
She’s been **burning the midnight oil** to finish the report.
她为了完成报告，一直在熬夜工作。
idiom

adapt to the changing times

适应新的条件或环境
Meaning
to adjust to new conditions or circumstances
Example
In order to survive in this fast-paced world, you must **adapt to the changing times**.
为了在这个快节奏的世界中生存，你必须**适应变化的时代**。
idiom

sit on the fence

避免做出决定或选择
Meaning
to avoid making a decision or choice
Example
You can't **sit on the fence** any longer, you need to choose a side.
你不能再 **保持中立** 了，你需要选择一方。
idiom

sick and tired of

对某事感到非常厌烦或生气
Meaning
completely bored or annoyed by something
Example
I'm **sick and tired of** listening to his excuses.
我已经**厌倦**听他的借口了。
idiom

know something by heart

把某事完全记住
Meaning
to memorize something perfectly
Example
She **knows all the poems by heart**.
她把所有的诗都背得滚瓜烂熟。
idiom

rope off

用绳子或障碍物封锁一个区域
Meaning
to block an area by using a rope or barrier
Example
Staff will **rope off** the wet floor for safety.
工作人员将为安全起见封锁湿滑的地面。
idiom

dodged a bullet

侥幸逃脱危险或不幸的情况。
Meaning
To narrowly escape a dangerous or unlucky situation.
Example
We really **dodged a bullet** when that deal fell through.
当那笔交易失败时，我们真的侥幸逃脱了。
idiom

runway left

创业公司用完资金前的时间
Meaning
the amount of time before a startup runs out of money
Example
We only have six months of **runway left** to make this work.
我们只有六个月的**runway left**来让这个成功。
idiom

My two cents

我的个人意见或建议
Meaning
My personal opinion or suggestion
Example
That’s just my two cents, but I think we should wait.
这只是我的意见，但我认为我们应该等待。
idiom

fade to black

以戏剧性方式结束某事
Meaning
to end something dramatically
Example
The director chose to **fade to black** at the emotional climax.
导演在情感高潮时选择了 **fade to black**。
idiom

no strings attached

没有特殊条件或限制
Meaning
with no special conditions or restrictions
Example
They offered me a free trial with **no strings attached**.
他们为我提供了一个免费试用，没有**no strings attached**
idiom

set a precedent

为未来的行动建立一个标准或先例
Meaning
to establish a standard or example for future actions
Example
Banning unethical AI systems will **set a precedent** for accountability.
禁止不道德的人工智能系统将为问责制树立一个先例。
idiom

black hat

一个具有恶意意图的黑客
Meaning
a hacker with malicious intent
Example
**Black hats** often exploit vulnerabilities for personal gain.
**Black hats** 常常利用漏洞来谋取个人利益。
idiom

break a promise

违背承诺
Meaning
to fail to do what one promised
Example
She **broke her promise** and didn’t call him.
她违背了承诺，没有给他打电话。
idiom

the honest truth

绝对和完整的真相
Meaning
the absolute and complete truth
Example
To tell you **the honest truth**, I didn’t enjoy the trip.
老实告诉你，我并没有享受那次旅行。
idiom

Inquisitive mind

好奇并渴望学习的思维方式。
Meaning
A curious and eager-to-learn mindset.
Example
Children have an **inquisitive mind** that loves to explore.
孩子们有着一个**好奇心**，他们喜欢探索。
idiom

go belly up

完全失败；破产
Meaning
to fail completely; to go bankrupt
Example
Many small businesses **went belly up** during the pandemic.
许多小企业在疫情期间破产了。
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

true colors

一个人的真实本性或意图
Meaning
someone’s real character or intentions
Example
He showed his **true colors** when he lied to me.
他撒谎时显露出了他的**真面目**。
idiom

apple of one’s eye

一个被珍视超过其他人的人
Meaning
someone who is cherished above others
Example
Her little son is the **apple of her eye**.
她的小儿子是她眼中的**苹果**。
idiom

pluck up the courage

鼓起足够的勇气去做某事
Meaning
to make yourself feel brave enough to do something
Example
He finally **plucked up the courage** to speak in public.
他终于鼓起勇气在公众面前发言。