on trial
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idiom

on trial

正在被测试或审判
Meaning
being tested or judged
Example
The company is **on trial** for violating privacy laws.
该公司因违反隐私法而正在**受审**。
idiom

down in the dumps

感到悲伤或沮丧
Meaning
feeling sad or depressed
Example
He’s been **down in the dumps** since he lost his job.
自从他失去工作以来，他一直**down in the dumps**。
idiom

reinforcement learning

一种机器学习方式，其中代理通过执行动作并接受反馈来学习做出决策
Meaning
a type of machine learning where an agent learns to make decisions by performing actions and receiving feedback
Example
In **reinforcement learning**, the model improves over time as it learns from trial and error.
**reinforcement learning** 中，模型随着时间的推移逐渐改进，因为它通过试验和错误进行学习。
idiom

get down to business

开始认真工作
Meaning
to start working seriously
Example
Let’s stop chatting and **get down to business**.
让我们停止聊天并开始认真工作。
idiom

to burn one's fingers

因糟糕的经历或错误而遭受痛苦
Meaning
to suffer from a bad experience or mistake
Example
He **burned his fingers** investing in that fake company.
他在那家虚假的公司投资时吃了亏。
idiom

pair up with

与某人一起工作或共同参与
Meaning
to join someone to work or participate together
Example
Please **pair up with** a partner for the lab experiment.
请与一个伙伴配对进行实验。
idiom

slippery slope

一种如果不加以控制，可能会导致严重问题的情况
Meaning
a situation that can lead to serious problems if not controlled
Example
Allowing AI to make moral decisions is a **slippery slope**.
让AI做道德决策是一个滑坡。
idiom

take five

休息一下
Meaning
to take a short break
Example
Let's **take five** before continuing the meeting.
我们在继续会议之前 **休息五分钟**。
idiom

chin up, soldier

在困难的情况下保持勇敢和坚强
Meaning
to stay brave and strong in difficult situations
Example
**Chin up, soldier**, things will get better soon.
**振作起来，士兵**，一切很快就会好起来。
idiom

make a comeback

在一段失败后的时期重新取得成功
Meaning
to return to success after a period of failure
Example
After a year of struggle, the team managed to **make a comeback** and won the championship.
经过一年的奋斗，球队成功地**做出了复出**并赢得了冠军。
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

beat someone to the punch

在别人之前做某事
Meaning
to do something before someone else does
Example
He **beat me to the punch** by applying for the job first.
他通过首先申请这份工作**抢先一步**。
idiom

not the sharpest tool in the shed

不是很聪明
Meaning
not very intelligent
Example
He’s kind but **not the sharpest tool in the shed**.
他很友好，但**不是最聪明的**。
idiom

black and blue

淤伤; 有伤口的痕迹
Meaning
bruised; having marks from injury
Example
He was **black and blue** after falling off his bike.
他摔下自行车后淤伤了。
idiom

keep your chin up

在困难的情况下保持积极，并且不要失去希望
Meaning
to stay positive and not lose hope in difficult situations
Example
**Keep your chin up**; things will get better soon.
抬起头来；事情很快就会好起来。
idiom

turn a blind eye

故意忽视错误或令人不快的事情
Meaning
to deliberately ignore something wrong or unpleasant
Example
The manager **turned a blind eye** to employees leaving early on Fridays.
经理对员工周五早退的事情视而不见。
idiom

offstage

在公众视野之外或私人生活中
Meaning
outside of public attention or in private life
Example
He is very different **offstage** than he appears in his shows.
他在舞台下的表现与他在节目中展现的完全不同。
idiom

grab a bite

快速吃点东西
Meaning
to eat something quickly
Example
Let’s **grab a bite** before the meeting.
我们在会议之前吃点东西。
idiom

a stroke of luck

偶然发生的好运
Meaning
something good that happens by chance
Example
It was **a stroke of luck** that I found my lost wallet.
我找到丢失的钱包真是**一场幸运**。
idiom

machine learning to the rescue

使用机器学习算法来解决人类难以处理的复杂问题
Meaning
using machine learning algorithms to solve complex problems that humans can't easily handle
Example
When the data was too large for traditional methods, **machine learning to the rescue** helped us find patterns.
当数据对传统方法来说太大时，**machine learning to the rescue** 帮助我们找到模式。
idiom

a steep learning curve

当某事很难学习，通常是迅速的
Meaning
when something is difficult to learn, usually quickly
Example
The new software had a **steep learning curve**, but I managed to understand it.
新软件有一个**陡峭的学习曲线**，但我设法理解了它。
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

hit the road running

迅速而充满活力地开始某事
Meaning
to start something quickly and energetically
Example
We **hit the road running** as soon as the bus arrived.
公交车一到，我们就充满活力地出发了。
idiom

to be on the up and up

诚实和值得信赖
Meaning
to be honest and trustworthy
Example
I trust her completely because I know she’s always **on the up and up**.
我完全信任她，因为我知道她总是**诚实和值得信赖**。
idiom

reinvent the wheel

浪费时间创造已经存在的东西
Meaning
to waste time creating something that already exists
Example
Don’t **reinvent the wheel**; use the existing design.
不要**重新发明轮子**; 使用现有设计。
idiom

botnet

一组感染了恶意软件的计算机网络，能够被黑客远程控制
Meaning
a network of computers infected with malware that are controlled remotely by a hacker
Example
The hacker used the **botnet** to launch a massive DDoS attack on the server.
黑客利用**僵尸网络**发动了大规模的DDoS攻击。
idiom

bite the byte

应对困难的技术挑战
Meaning
to deal with a difficult technological challenge
Example
Developers had to **bite the byte** to fix the software issue.
开发人员必须 **bite the byte** 来修复软件问题。
idiom

hear something through the grapevine

间接听到新闻或谣言
Meaning
to hear news or rumors indirectly
Example
I **heard through the grapevine** that they are getting married.
我通过小道消息听说他们要结婚。
idiom

that's the last straw

我的耐心已经耗尽了
Meaning
my patience has run out
Example
He's been late all week, but this is **the last straw**.
他整个星期都迟到了，但这真是最后一根稻草。
idiom

cut loose

自由地表现并享受自己
Meaning
to behave freely and enjoy oneself
Example
It’s the weekend—time to **cut loose**!
是周末了—是时候**放松**了！
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

beta test

在正式发布之前测试产品
Meaning
to test a product before official release
Example
We are going to **beta test** our app next week.
我们将在下周进行我们的应用程序测试。
idiom

weigh in

在讨论中发表意见
Meaning
to give an opinion in a discussion
Example
Experts will **weigh in** on the proposal tomorrow.
专家们将在明天对该提案发表意见。
idiom

news travels fast

信息传播迅速
Meaning
information spreads quickly
Example
In small towns, **news travels fast**.
在小镇上，**新闻传播迅速**。
idiom

be at your wits' end

担心或烦恼到不知道该怎么办
Meaning
to be so worried or upset that you don't know what to do
Example
I'm **at my wits' end** trying to calm the kids down.
我在尽力平静孩子们时已经精疲力尽。
idiom

barefaced lie

大胆而无耻的谎言
Meaning
a bold and shameless lie
Example
His excuse was a **barefaced lie**.
他的借口是一个无耻的谎言。
idiom

call someone out

公开批评某人的行为或行动
Meaning
to criticize someone publicly for their behavior or actions
Example
She **called him out** for being rude to the waiter.
她因对服务员无礼而**公开批评**了他。
idiom

set the record straight

在误解后澄清事实
Meaning
to clarify the truth after a misunderstanding
Example
He wanted to **set the record straight** about what really happened.
他想澄清究竟发生了什么。
idiom

Make headlines

成为重要的新闻故事
Meaning
To become an important news story
Example
Her sudden resignation **made headlines** across the country.
她的突然辞职成为全国的头条新闻。
idiom

house of cards

一个脆弱而可能失败的计划或结构
Meaning
a plan or structure that is weak and likely to fail
Example
Their business model turned out to be a **house of cards**.
他们的商业模式最终被证明是一个纸牌屋。
idiom

make up for

弥补某事
Meaning
to compensate for something
Example
We’ll **make up for** the delay with extra support.
我们会用额外的支持来弥补延迟。
idiom

make a scene

制造喧闹或戏剧性的场面
Meaning
to create a noisy or dramatic disturbance
Example
Please don’t **make a scene** in public.
请不要在公共场合大吵大闹。
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

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

viral content

在互联网上迅速传播的内容，通常通过社交媒体。
Meaning
Content that spreads rapidly across the internet, usually through social media.
Example
The video went **viral** after being shared on Facebook.
这段视频在脸书上分享后迅速**走红**。
idiom

drop a line

给某人发送简短消息或便条
Meaning
to send someone a short message or note
Example
Please **drop me a line** when you arrive safely.
请在你安全到达时给我写一条信息。
idiom

do time

在监狱中度过时光
Meaning
to spend time in prison
Example
He had to **do time** for his crimes.
他因罪行被迫在监狱中度过时光。
idiom

The more, the merrier

当有更多人参与时，事情会更有趣或更有效。
Meaning
Things are more fun or effective with more people involved.
Example
Bring your friends along — **the more, the merrier**!
带上你的朋友——人越多越热闹！
idiom

mend fences

修复破裂的关系
Meaning
to repair a damaged relationship
Example
She called her friend to **mend fences** after their disagreement.
她在争吵后打电话给朋友，修复他们的关系。
idiom

tag along

未经邀请加入别人的在线活动或对话
Meaning
to join someone’s online activity or conversation uninvited
Example
He just **tagged along** in our group chat without asking.
他没有问就加入了我们的群聊。
idiom

The best things in life are worth waiting for

生活中最好的事情值得等待。
Meaning
The most valuable things take time and effort to achieve.
Example
Remember, **the best things in life are worth waiting for**.
记住，**生活中最好的事情值得等待。**
idiom

to pick someone's brain

向某人提问以获取信息或建议
Meaning
to ask someone questions in order to get information or advice
Example
I need to **pick your brain** about your experience with this software.
我需要**向你取经**，了解你在这款软件方面的经验。
idiom

Keep it under your hat

保持某事秘密。
Meaning
To keep something secret.
Example
I’ll tell you a secret, but **keep it under your hat**.
我会告诉你一个秘密，但**保密**。
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

upgrade your thinking

改善你的思维过程或心态
Meaning
to improve your thought process or mindset
Example
To adapt to AI trends, you must **upgrade your thinking**.
为了适应人工智能趋势，你必须升级你的思维。
idiom

Catch on

开始理解某事。
Meaning
To begin to understand something.
Example
It took him a while to **catch on** to the new rules.
他花了些时间**理解**新规则。
idiom

have the upper hand

对某人有控制或优势
Meaning
to have control or advantage over someone
Example
After the merger, the larger company **had the upper hand**.
合并后，大公司占据了上风。
idiom

digital conscience

在设计或部署人工智能中的伦理意识
Meaning
ethical awareness in designing or deploying AI
Example
Developers need a **digital conscience** to create responsible AI systems.
开发人员需要一个**数字良知**来创建负责任的人工智能系统
idiom

bury the hatchet

停止争斗并重新成为朋友
Meaning
to stop fighting and become friends again
Example
After years of argument, they decided to **bury the hatchet**.
经过多年的争执，他们决定**和解**。
idiom

sweet tooth

对甜食的喜爱
Meaning
a love for sweet foods
Example
She has a **sweet tooth** and can’t resist desserts.
她有一个**甜食癖**，无法抗拒甜点。
idiom

play on someone's emotions

通过诉诸某人的感情来影响某人
Meaning
to influence someone by appealing to their feelings
Example
The ad tries to **play on people's emotions** to sell products.
广告试图**利用人们的情感**来销售产品。
idiom

Cultural melting pot

不同文化融合的地方
Meaning
A place where different cultures blend together
Example
New York is often described as a **cultural melting pot**.
纽约常被描述为一个**文化大熔炉**。
idiom

out like a light

很快就睡着了
Meaning
to fall asleep very quickly
Example
He was **out like a light** as soon as his head hit the pillow.
他的头一碰到枕头就睡着了。
idiom

Make a mountain out of a molehill

夸大一个小问题，让它看起来比实际情况更大。
Meaning
To exaggerate a small problem and make it seem much bigger than it really is.
Example
She made such a big deal out of forgetting her phone; she really **made a mountain out of a molehill**.
她因为忘记带手机而大惊小怪；她真的**把一堆小土堆做成了一座山**。
idiom

no rocket scientist

不太聪明；不是天才
Meaning
not very intelligent; not a genius
Example
He’s **no rocket scientist**, but he works hard.
他不是**天才**，但是他努力工作。
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

put two and two together

通过推理弄明白某事
Meaning
to figure out something by reasoning
Example
He **put two and two together** and realized she was lying.
他**推理之后**意识到她在撒谎。
idiom

Golden handshake

离职时给予某人的一笔大额支付，尤其是在提前退休时。
Meaning
A large payment given to someone when they leave a job, especially early retirement.
Example
The CEO received a **golden handshake** when he retired early.
首席执行官在提前退休时获得了一笔丰厚的补偿金。
idiom

Grounded

无法外出或飞行；由于某种原因受到限制。
Meaning
Unable to go out or fly; restricted for a reason.
Example
All flights were **grounded** due to heavy fog.
所有航班因浓雾被**grounded**。
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

wallflower

一个害羞的人，避免社交活动
Meaning
a shy person who avoids social activities
Example
She used to be a **wallflower**, but now she’s more confident.
她以前是 **wallflower**，但现在更自信了
idiom

a daydreamer

一个花很多时间想着愉快事情而不是工作的人的人
Meaning
someone who spends a lot of time thinking about pleasant things rather than working
Example
She’s **a daydreamer** who often forgets what she’s doing.
她是一个**白日梦者**，经常忘记自己在做什么。
idiom

run out of bandwidth

没有时间或精力；感到不堪重负
Meaning
to have no time or energy left; to be overwhelmed
Example
Sorry, I can’t take another task — I’ve **run out of bandwidth**.
对不起，我不能再接任务了——我已经没有精力了。
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

in the money

突然拥有很多钱
Meaning
to suddenly have a lot of money
Example
After winning the lottery, they were **in the money**.
中奖后，他们**in the money**了。
idiom

down time

人们放松且不工作的时候
Meaning
time when one relaxes and does not work
Example
I need some **down time** after this hectic week.
在这个忙碌的星期之后，我需要一些**down time**。
idiom

face the music

为自己所做的事接受批评或惩罚
Meaning
to accept criticism or punishment for something you have done
Example
You made a mistake, and now you have to **face the music**.
你犯了一个错误，现在你得接受后果。
idiom

fall in love

对某人产生浪漫的感情
Meaning
to develop romantic feelings for someone
Example
I didn't expect to **fall in love** with her so quickly.
我没想到会这么快就爱上她。
idiom

artificial genius

由人类创造的极其聪明的系统
Meaning
an exceptionally smart system created by humans
Example
Chatbots have become the face of **artificial genius**.
聊天机器人已成为人工智慧的代表。
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

bat around

随意讨论想法
Meaning
to discuss ideas casually
Example
We spent the afternoon **batting around** marketing themes.
我们花了一下午的时间讨论营销主题。
idiom

Hit the wall

达到一个身体或精神上精疲力竭无法继续的点
Meaning
to reach a point where one is physically or mentally exhausted and cannot continue
Example
I’ve been working all day, and now I’ve finally **hit the wall**.
我工作了一整天，现在终于**撞墙了**。
idiom

help someone out

在困难情况下帮助某人
Meaning
to assist someone in a difficult situation
Example
Whenever I am in trouble, she always **helps me out**.
每当我遇到麻烦时，她总是帮助我。
idiom

a splash of color

为了效果而添加的小量明亮颜色
Meaning
a small amount of bright color added for effect
Example
Add **a splash of color** to make the room lively.
添加**一抹色彩**让房间更有生气。
idiom

turn things around

扭转消极的局面并使其积极
Meaning
to reverse a negative situation and make it positive
Example
With some effort, we can **turn things around**.
通过一些努力，我们可以扭转局面。
idiom

relieve stress

减少或消除焦虑或压力的感觉
Meaning
to reduce or eliminate feelings of anxiety or pressure
Example
Yoga can really help to **relieve stress** and improve your mood.
瑜伽确实可以帮助缓解压力并改善你的心情。
idiom

a bright spark

聪明且聪慧的人；有原创想法的人
Meaning
a clever and intelligent person; someone with original ideas
Example
He's such **a bright spark**; he always finds innovative solutions.
他真是个聪明的人；总是能找到创新的解决办法。
idiom

fan out

在区域内扩展
Meaning
to spread out over an area
Example
Volunteers will **fan out** across the park.
志愿者将在公园内分布开来。
idiom

a light at the end of the tunnel

表示情况很快会有所改善的迹象；在困难情况下的希望
Meaning
a sign that a situation will improve soon; hope in a difficult situation
Example
After months of hard work, she finally saw **a light at the end of the tunnel**.
经过几个月的努力工作后，她终于看到了**隧道尽头的光**。
idiom

fan through

快速翻页
Meaning
to flip through pages quickly
Example
She **fanned through** the report to find the chart.
她快速翻阅报告以找到图表。
idiom

fit as a fiddle

身体非常健康
Meaning
in very good health
Example
My grandfather is 80 but he’s **fit as a fiddle**.
我爷爷八十岁了，但他身体非常健康。
idiom

in the long run

经过长时间; 最终
Meaning
after a long time; in the end
Example
Saving money now will help you **in the long run**.
现在储蓄将帮助你 **从长远来看**。
idiom

back and forth

反复改变意见或决策
Meaning
to change opinions or decisions repeatedly
Example
We’ve been going **back and forth** about this issue for weeks.
我们已经就这个问题讨论了几个星期。
idiom

save for a rainy day

为了未来的紧急情况而存钱
Meaning
to save money for future emergencies
Example
You should **save for a rainy day**.
你应该**为雨天存钱**。
idiom

off the beaten track

在一个很少有人去的地方；偏远或不寻常
Meaning
in a place not visited by many people; remote or unusual
Example
We found a lovely beach **off the beaten track**.
我们发现了一个美丽的海滩，远离人群。
idiom

kick off

开始一个事件或活动
Meaning
to start an event or activity
Example
The workshop will **kick off** at 9 a.m. sharp.
研讨会将在上午9点准时开始。
idiom

Take one’s breath away

深深地惊讶或打动某人。
Meaning
To amaze or impress someone greatly.
Example
Her beauty **takes my breath away**.
她的美让我惊叹不已。
idiom

take one for the team

为他人的利益做出牺牲
Meaning
to sacrifice for the benefit of others
Example
He **took one for the team** and stayed late to finish the report.
他为团队做出牺牲，直到很晚才完成报告
idiom

A clear conscience is a soft pillow

当你诚实时，你会平静地睡觉，没有愧疚感。
Meaning
When you live honestly, you sleep peacefully without guilt.
Example
After telling the truth, he had a peaceful night’s sleep because **a clear conscience is a soft pillow**.
告诉真相后，他度过了一个安静的夜晚，因为**清晰的良心是一个柔软的枕头**。
idiom

A hit piece

一篇旨在损害某人声誉的文章或报道，通常是带有偏见或不公平的方式。
Meaning
A story or article intended to damage someone's reputation, often in a biased or unfair way.
Example
The editor criticized the paper for publishing such a **hit piece** on the politician.
编辑批评该报刊登这样一篇针对政客的 **hit piece**。
idiom

get a foot in the door

迈出实现某事的第一步，特别是获得工作
Meaning
to take the first step towards achieving something, especially a job
Example
He took an internship to **get a foot in the door** of the company.
他参加了实习，想在公司里得到一个职位。
idiom

A blueprint for success

实现成功的详细计划或策略。
Meaning
A detailed plan or strategy for achieving success.
Example
Hard work and consistency are **a blueprint for success**.
努力工作和坚持是成功的蓝图。
idiom

rule with an iron fist

非常严格和严厉地控制人们
Meaning
to control people very strictly and harshly
Example
The dictator **ruled with an iron fist** for twenty years.
这位独裁者以铁腕统治了二十年。
idiom

A rising tide lifts all boats

当经济改善时，每个人都会在某种程度上受益。
Meaning
When the economy improves, everyone benefits to some extent.
Example
When the new policies boosted trade, people said that **a rising tide lifts all boats**.
当新政策促进了贸易时，人们说：“水涨船高”。
idiom

take a breather

休息一下放松
Meaning
to rest for a short while to relax
Example
Let’s **take a breather** before continuing the meeting.
在继续会议之前，我们休息一下。
idiom

keep the ball rolling

保持活动或过程进行
Meaning
to keep an activity or process going
Example
Let’s **keep the ball rolling** on this project.
让我们继续进行这个项目。
idiom

Opportunity knocks but once

好机会很少出现，出现时应该把握。
Meaning
Good opportunities are rare and should be seized when they appear.
Example
Don't miss the chance, **opportunity knocks but once**.
不要错过机会，**机会只敲一次门**。
idiom

a blessing in disguise

看起来不好的事情但结果很好
Meaning
something that seems bad but results in something good
Example
Losing that job was **a blessing in disguise**.
失去那份工作是因祸得福。
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

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

ray of hope

可能会发生一些好事的一个小迹象
Meaning
a small sign that something good might happen
Example
The new treatment offers a **ray of hope** for patients.
新治疗为病人提供了一个**希望之光**。
idiom

Fall down seven times, stand up eight

无论失败多少次，继续尝试。
Meaning
Keep trying no matter how many times you fail.
Example
**Fall down seven times, stand up eight** — that’s the spirit of success.
‘跌倒七次，站起来八次’ — 这就是成功的精神。
idiom

make your dreams come true

实现你一直想要的
Meaning
to achieve what you have always wanted
Example
She worked hard to **make her dreams come true**.
她努力工作以实现她的梦想。
idiom

roll into

平稳过渡到某事
Meaning
to transition smoothly into something
Example
The webinar will **roll into** a live Q&A.
网络研讨会将进入一个现场问答环节。
idiom

to hit the nail on the head

准确描述导致某种情况或问题的原因
Meaning
to describe exactly what is causing a situation or problem
Example
When she pointed out the lack of communication, she really **hit the nail on the head**.
当她指出沟通不足时，她确实 **一针见血**。
idiom

to come clean

承认事实，尤其是当它困难或令人尴尬时
Meaning
to admit the truth, especially when it is difficult or embarrassing
Example
He decided it was time to **come clean** about his mistake.
他决定是时候对自己的错误**坦白**了。
idiom

have a chip on your shoulder

因过去的事情而生气或怀恨
Meaning
to be angry or resentful about something from the past
Example
He **has a chip on his shoulder** about being rejected.
他因为被拒绝而心怀怨恨。
idiom

gear toward

为特定群体设计或瞄准某物
Meaning
to design or aim something for a particular group
Example
The course is **geared toward** new managers.
课程是**面向**新经理的。
idiom

Caught on camera

在视频中录制；视觉捕捉
Meaning
Recorded on video; captured visually
Example
The accident was **caught on camera** by a passerby.
这起事故被**拍摄在相机上**，由一位路人。
idiom

Air time

在电视或广播中播放的时间
Meaning
The amount of time something is broadcast on TV or radio
Example
The charity event got a lot of **air time** on local stations.
慈善活动在当地电台获得了很多空中时间。
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。