a change of heart
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idiom

a change of heart

某人的意见或情感的变化
Meaning
a change in one’s opinion or feelings
Example
She had **a change of heart** and decided to stay.
她有了**改变主意**，决定留下来。
idiom

crunch the numbers

处理数据或分析统计
Meaning
to process data or analyze statistics
Example
AI can **crunch the numbers** faster than any human.
人工智能可以比任何人更快地分析数据。
idiom

Through the lens

从特定的视角或观点
Meaning
From a particular perspective or point of view
Example
We need to see this issue **through the lens** of equality.
我们需要从**平等的视角**来看这个问题。
idiom

poetic justice

一种美德得到奖励，恶习受到惩罚的情况，通常是讽刺性的
Meaning
a situation in which virtue is rewarded and vice is punished, often ironically
Example
It was **poetic justice** when the dishonest lawyer lost his case due to his own lies.
当那个不诚实的律师因为自己的谎言而输掉案件时，这就是**诗意的正义**。
idiom

be sure of yourself

对你的能力或意见有信心
Meaning
to have confidence in your abilities or opinions
Example
To be a leader, you must **be sure of yourself**.
成为一名领导者，你必须对自己有信心。
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

shift gears

改变方法或活动
Meaning
to change one’s approach or activity
Example
We need to **shift gears** if we want to meet the deadline.
如果我们想按时完成任务，就需要改变方法。
idiom

drive a hard bargain

在达成交易或谈判时强硬
Meaning
to be tough in making a deal or negotiation
Example
She always **drives a hard bargain** when negotiating contracts.
她在谈判合同时总是强硬地进行交易。
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

tap into

利用资源或能力
Meaning
to make use of a resource or ability
Example
The startup hopes to **tap into** a new audience through social media.
这家初创公司希望通过社交媒体吸引新的观众群体。
idiom

blow one’s top

突然变得非常生气
Meaning
to suddenly become very angry
Example
He **blew his top** when he saw the mistake.
当他看到错误时，他非常生气。
idiom

get the picture

理解情况
Meaning
to understand the situation
Example
After a few minutes, I started to **get the picture**.
几分钟后，我开始理解情况。
idiom

sing from the same hymn sheet

与他人表达相同的意见，特别是公开地
Meaning
to express the same opinion as others, especially publicly
Example
All the managers are **singing from the same hymn sheet** on this issue.
所有经理在这个问题上都在**唱同一首歌**。
idiom

in the zone

全神贯注并发挥最佳水平
Meaning
to be fully focused and performing at your best
Example
When she’s **in the zone**, she can write for hours without stopping.
当她全神贯注时，她可以连续写上好几个小时。
idiom

adapt to change

适应新的环境或情况
Meaning
to adjust to new circumstances or environments
Example
In order to succeed, you must learn to **adapt to change**.
为了成功，你必须学会适应变化。
idiom

take it to the next level

显著改善某事; 升级到更高的阶段
Meaning
to improve something significantly; to advance to a higher stage
Example
We plan to **take our business to the next level** this year.
我们计划今年将**我们的业务提升到下一个层次**。
idiom

set the tone

为某事物设定氛围或风格
Meaning
to establish the mood or style for something
Example
The manager's speech **set the tone** for the meeting.
经理的演讲为会议设定了基调。
idiom

keep the momentum

保持势头
Meaning
to continue progressing without slowing down
Example
We need to **keep the momentum** to reach our target.
我们需要保持势头以实现我们的目标。
idiom

be all smiles

看起来非常开心和愉快
Meaning
to look very happy and cheerful
Example
She was **all smiles** after hearing the good news.
听到好消息后，她面带笑容。
idiom

come down hard on

严厉地惩罚或批评某人
Meaning
to punish or criticize someone severely
Example
The company **came down hard on** employees who broke the rules.
公司严厉地惩罚了违反规则的员工。
idiom

full of praise

非常积极地谈论某人或某事
Meaning
to speak very positively about someone or something
Example
Everyone was **full of praise** for her presentation.
每个人都为她的演讲**满是赞美**。
idiom

family ties

家庭成员之间的紧密联系。
Meaning
Strong connections among family members.
Example
**Family ties** kept her close to her hometown.
**家庭纽带**让她与家乡保持紧密联系。
idiom

feel like a new person

再次感觉清新和健康
Meaning
to feel refreshed and healthy again
Example
After a good night’s sleep, I **feel like a new person**.
经过一夜好眠后，我**感觉像一个新的人**。
idiom

put in the hours

花费很多时间工作
Meaning
to spend a lot of time working
Example
If you **put in the hours**, you’ll see progress soon.
如果你投入时间，你很快会看到进展。
idiom

minimum viable product

可以发布以测试一个想法的产品最简单版本
Meaning
the simplest version of a product that can be released to test an idea
Example
The team launched an **MVP (minimum viable product)** to gather user feedback.
团队推出了一个 **MVP（最小可行产品）** 来收集用户反馈。
idiom

grassroots movement

由普通人发起并推动的政治运动
Meaning
a political movement started and driven by ordinary people
Example
The campaign grew into a powerful **grassroots movement** for change.
该运动发展成为一场强大的**草根运动**，推动变革。
idiom

a shoulder to cry on

当你难过时，能听你倾诉并支持你的人
Meaning
someone who listens and supports you when you are sad
Example
She has always been **a shoulder to cry on** when I needed help.
当我需要帮助时，她总是**一个可以哭诉的肩膀**。
idiom

to draw the line

设定可接受的界限
Meaning
to set a limit on what is acceptable
Example
We need to **draw the line** between inspiration and plagiarism.
我们需要在灵感和剽窃之间**划定界限**。
idiom

to be of one mind

持有相同的意见
Meaning
to have the same opinion
Example
We are **of one mind** about this decision.
我们对这个决定**意见一致**。
idiom

read someone like a book

轻松理解某人的思想和意图
Meaning
to easily understand someone's thoughts and intentions
Example
She can **read him like a book** and always knows when he's lying.
她可以**像读书一样读懂他**，并且总是知道他什么时候在撒谎。
idiom

Rome wasn’t built in a day

重要的事情需要时间去完成。
Meaning
Important things take time to accomplish.
Example
**Rome wasn’t built in a day**, be patient with your progress.
**罗马不是一天建成的**，要对自己的进步有耐心。
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

born poor, die rich

从贫穷开始，但通过努力工作变得富有
Meaning
to start life poor but become rich through hard work
Example
He’s the kind of man who wants to **born poor, die rich**.
他是那种想要**从贫穷出生，死时富有**的人。
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

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

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

tighten your belt

花更少的钱; 节省开支
Meaning
to spend less money; to economize
Example
We’ll have to **tighten our belts** until business improves.
我们必须**勒紧裤带**直到生意改善。
idiom

pack up

收拾东西并准备离开
Meaning
to gather belongings and prepare to leave
Example
We should **pack up** and head home before the storm starts.
我们应该**打包**，在风暴开始前回家
idiom

a black hole

一个地方或情况，事情丢失后再也找不到
Meaning
a place or situation where things are lost, never to be found again
Example
The document I was looking for seems to have disappeared into **a black hole**.
我找的文件似乎已经消失在**黑洞**里了。
idiom

put on the map

使某物或某人出名或知名
Meaning
to make something or someone famous or well-known
Example
The viral campaign **put the brand on the map**.
病毒活动使该品牌出名。
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

give someone a shot in the arm

提高某人的自信或热情
Meaning
to boost someone’s confidence or enthusiasm
Example
The victory **gave the team a shot in the arm** before the final.
这场胜利**给了球队一个振奋**，为决赛做准备。
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

turn your dreams into reality

通过努力使梦想成真
Meaning
to make your dreams come true through effort
Example
She worked day and night to **turn her dreams into reality**.
她日夜努力，使她的梦想成真。
idiom

show true colors

揭示一个人真实的性格或意图
Meaning
to reveal one’s real character or intentions
Example
He **showed his true colors** when he took charge of the team.
当他接管团队时，他展现了自己的真实面目。
idiom

black box thinking

黑箱思维：通过研究输入和输出分析未知的过程
Meaning
analyzing unknown processes by studying their inputs and outputs
Example
In AI research, **black box thinking** helps improve transparency.
在AI研究中，**黑箱思维**有助于提高透明度。
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

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

go up in smoke

完全失败; 什么都没得到
Meaning
to fail completely; to come to nothing
Example
All his dreams **went up in smoke** after the deal collapsed.
在交易失败后，他所有的梦想**化为乌有**。
idiom

the internet of things (IoT)

将日常物品连接到互联网以发送和接收数据
Meaning
the connection of everyday objects to the internet to send and receive data
Example
Smart homes are part of the **internet of things (IoT)**, where devices are interconnected.
智能家居是**物联网 (IoT)**的一部分，设备之间相互连接。
idiom

Tell the truth

说出真相，而不是撒谎。
Meaning
To say what is true instead of lying.
Example
Please **tell the truth**, even if it hurts.
请**说实话**，即使这会伤害。
idiom

on the market

可供出售
Meaning
available for sale
Example
Their house has been **on the market** for over six months.
他们的房子已经在市场上待了超过六个月。
idiom

to mess up

犯错或做事做得不好
Meaning
to make a mistake or do something badly
Example
Don’t **mess up** the report again this time.
这次不要再**搞砸**报告了。
idiom

switch off

停止思考工作或问题
Meaning
to stop thinking about work or problems
Example
It’s important to **switch off** after a long day.
在漫长的一天后，**关闭** 是很重要的。
idiom

pick up on

注意到或意识到某事
Meaning
to notice or become aware of something
Example
He didn't **pick up on** the subtle hints I was giving.
他没有注意到我给的微妙暗示。
idiom

virus of doubt

一种迅速传播的不确定感
Meaning
a feeling of uncertainty that spreads quickly
Example
A **virus of doubt** spread after the project delay.
项目延迟后，不确定的病毒开始蔓延。
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

foot the bill

为某物支付费用，尤其是昂贵的东西
Meaning
to pay for something, especially something expensive
Example
His father will **foot the bill** for the wedding.
他的父亲会为婚礼支付费用。
idiom

automate the process

通过使用技术使过程自动运行
Meaning
to make a process operate automatically using technology
Example
We need to **automate the process** to save time and cost.
我们需要**自动化过程**以节省时间和成本。
idiom

set the example

以自己期望的行为为榜样
Meaning
to model the behavior you expect from others
Example
The manager always tries to **set the example** by being punctual and hardworking.
经理总是通过准时和勤奋工作来**树立榜样**。
idiom

go with your gut

在做决策时相信你的直觉
Meaning
to trust your instinct when making a decision
Example
Sometimes you just have to **go with your gut**.
有时候你只需要**相信你的直觉**。
idiom

close the book on something

停止处理或思考某事
Meaning
to stop dealing with or thinking about something
Example
After years of conflict, they finally **closed the book on** their rivalry.
经过多年的冲突，他们终于**结束了**彼此的对立。
idiom

android-like

像机器人一样没有情感或机械地行动
Meaning
acting emotionless or mechanical like a robot
Example
He works in an **android-like** manner, without any emotion.
他以**android-like**的方式工作，没有任何情感。
idiom

talk at cross purposes

在谈论不同的事情时误解彼此
Meaning
to misunderstand each other when talking about different things
Example
I think we’re **talking at cross purposes**—I meant next week, not this one.
我认为我们**在各自说错话**——我指的是下周，不是这一周。
idiom

data privacy

个人信息防止未经授权的访问或披露。
Meaning
the protection of personal information from unauthorized access or disclosure.
Example
The company implemented strong **data privacy** measures to protect customer information.
公司实施了强有力的**数据隐私**措施以保护客户信息。
idiom

get over someone

从分手或失落的痛苦中恢复过来
Meaning
to recover from the pain of a breakup or loss
Example
It took her months to **get over** him.
她花了几个月才摆脱他。
idiom

piece of cake

做起来非常容易的事情
Meaning
something very easy to do
Example
The exam was a **piece of cake** for her.
对她来说，考试是一个**小菜一碟**。
idiom

hold the fort

在某人离开时负责
Meaning
to be in charge while someone is away
Example
Can you **hold the fort** while I'm at the meeting?
我开会时你能负责一下吗？
idiom

in the heat of the moment

冲动或情绪化地行动，没有经过深思熟虑
Meaning
acting impulsively or emotionally, without thinking
Example
I said some things I regret **in the heat of the moment**.
我说了一些我后悔的话 **在那一刻的冲动下**。
idiom

on the ball

机警、聪明并且反应迅速
Meaning
alert, smart, and quick to react
Example
You need to be **on the ball** to handle this job.
你需要非常机警才能处理这份工作。
idiom

behind the firewall

受到保护或与外部威胁隔离
Meaning
protected or isolated from external threats
Example
Sensitive company data should always stay **behind the firewall**.
敏感的公司数据应该始终保持在**防火墙后面**。
idiom

as far as I'm concerned

用于表达一个人对某事的个人看法或感受
Meaning
used to express one’s personal opinion or feeling about something
Example
**As far as I'm concerned**, he did a great job.
就我而言，他做得很好。
idiom

the winds of change

促进变化的影响力
Meaning
an influence that promotes change
Example
**The winds of change** are blowing through the organization.
**变革的风** 正在吹遍整个组织。
idiom

simmer down

在生气或激动之后变得冷静
Meaning
to become calmer after being angry or excited
Example
Give him a few minutes to **simmer down** before you talk to him.
给他几分钟时间冷静下来再和他说话。
idiom

ease into

慢慢地并舒适地进入一项新的活动
Meaning
to enter a new activity slowly and comfortably
Example
The trainer helped us **ease into** the new routine.
教练帮助我们慢慢适应新日程。
idiom

Born and bred

在特定地方度过一生并受其文化影响
Meaning
Having lived all one’s life in a particular place and influenced by its culture
Example
She’s a Dhaka **born and bred** woman.
她是一个在达卡出生并长大的女人。
idiom

have a lump in your throat

因强烈情感而感到像是快要哭出来的感觉
Meaning
to feel like you are about to cry because of strong emotions
Example
I had **a lump in my throat** when I said goodbye.
当我说再见时，我感到喉咙有块硬块。
idiom

nod in agreement

通过点头表示同意
Meaning
to show agreement by nodding
Example
Everyone **nodded in agreement** when the plan was explained.
当计划被解释时，每个人都点头表示同意。
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

kick around

非正式地讨论想法
Meaning
to discuss ideas informally
Example
We can **kick around** some concepts after lunch.
我们可以在午餐后讨论一些概念。
idiom

in the pink of health

身体非常健康
Meaning
in very good health
Example
After months of rest, he’s now **in the pink of health**.
经过几个月的休息，他现在**身体非常健康**。
idiom

make a name for oneself

因某事而出名；成名
Meaning
to become well-known or famous for something
Example
He **made a name for himself** as a creative designer.
他作为一名有创意的设计师而出名。
idiom

trade off

在两个对立的事物之间取得平衡；做出妥协
Meaning
to balance between two opposing things; to compromise
Example
Globalization involves a **trade off** between efficiency and equality.
全球化涉及在效率和平等之间的**权衡**。
idiom

corner office

公司中成功或高职位的象征
Meaning
a symbol of success or high position in a company
Example
Everyone dreams of getting the **corner office** one day.
每个人都梦想有一天能得到 **角落办公室**。
idiom

go bananas

变得非常兴奋或生气
Meaning
to become very excited or angry
Example
The crowd **went bananas** when their team scored.
当他们的队伍得分时，观众**变得疯狂**。
idiom

fall through the cracks

被忽视或忽略
Meaning
to be overlooked or neglected
Example
I forgot to follow up on his application and it **fell through the cracks**.
我忘了跟进他的申请，结果它**被忽略了**。
idiom

come to terms with

在经过一些谈判后达成协议或接受一种情况
Meaning
to reach an agreement or accept a situation after some negotiation
Example
It took some time, but eventually we **came to terms with** the new policy.
这花了一些时间，但最终我们**接受了**新政策。
idiom

hit the airwaves

开始在电视或广播中播出
Meaning
to start being broadcast on television or radio
Example
The new talk show will **hit the airwaves** next week.
新的脱口秀将在下周通过电视和广播播出。
idiom

buy into

接受或支持一个想法或计划
Meaning
to accept or support an idea or plan
Example
The team quickly **bought into** the new workflow.
团队迅速**接受了**新的工作流程。
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

shoulder the responsibility

接受或承担责任
Meaning
to accept or take on a responsibility
Example
He was ready to **shoulder the responsibility** of leading the project.
他准备好承担领导项目的责任。
idiom

Roll up your sleeves

准备好努力工作。
Meaning
To prepare to work hard.
Example
Let’s **roll up our sleeves** and get started.
让我们**卷起袖子**开始吧。
idiom

break a leg

祝愿某人在表演中好运
Meaning
to wish someone good luck in a performance
Example
Before the play started, everyone told her to **break a leg**.
在戏剧开始之前，每个人都告诉她要**祝她好运**。
idiom

pop the champagne

庆祝一个特殊的事件或成功
Meaning
to celebrate a special event or success
Example
Let’s **pop the champagne** to celebrate our victory!
让我们打开香槟庆祝我们的胜利！
idiom

put the plan into action

开始实施一个计划或想法
Meaning
to start implementing a plan or idea
Example
After weeks of preparation, it's time to **put the plan into action**.
经过数周的准备，是时候**付诸实践**这个计划了。
idiom

blow your top

非常生气
Meaning
to become very angry
Example
He **blew his top** when he found out about the mistake.
他在得知错误后**火冒三丈**。
idiom

step in

介入以帮助或阻止某事
Meaning
to become involved in order to help or stop something
Example
The manager will **step in** if the discussion gets heated.
如果讨论变得激烈，经理将介入。
idiom

fall for someone

开始爱上某人; 发展浪漫的感情
Meaning
to start loving someone; to develop romantic feelings
Example
He **fell for** her the moment he saw her smile.
他**爱上了她**，当他看到她的微笑。
idiom

zone off

将区域划分为若干部分
Meaning
to divide an area into sections
Example
They’ll **zone off** part of the hall for workshops.
他们将为工作坊划分大厅的一部分。
idiom

a cut above

比其他人更好；在质量或能力上更强
Meaning
better than others; superior in quality or ability
Example
Her work is **a cut above** the rest.
她的工作 **远超他人**。
idiom

wind down

在活动后放松或减慢
Meaning
to relax or slow down after activity
Example
I like to **wind down** with a book before bed.
我喜欢在睡觉前和一本书一起放松。
idiom

against the clock

尽可能快地做某事，因为时间有限
Meaning
to do something as fast as possible because time is limited
Example
We were working **against the clock** to finish the project on time.
我们正在与时间赛跑，以便按时完成项目。
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

tiger mom

一位严格的母亲，她推动孩子们达到高标准
Meaning
a strict mother who pushes her children to achieve high standards
Example
Her friends call her a **tiger mom** because she’s very demanding.
她的朋友们称她为**老虎妈妈**，因为她要求很高。
idiom

carry a torch for someone

继续爱一个不爱你的人
Meaning
to continue loving someone who doesn’t love you back
Example
He’s still **carrying a torch for** his ex-girlfriend.
他仍然爱着他的前女友。
idiom

a close call

一个灾难或事故险些发生的情况。
Meaning
A situation where a disaster or accident was narrowly avoided.
Example
That was **a close call** — the car almost hit us!
那真是**千钧一发** — 车差点撞到我们！
idiom

cross the line

做被认为不可接受的事情
Meaning
to do something that is considered unacceptable
Example
He **crossed the line** when he insulted her in front of everyone.
当他当着所有人的面侮辱她时，他**越界了**。
idiom

Keep at it

继续尝试，即使很困难。
Meaning
Continue trying even when it’s hard.
Example
Don’t give up—just **keep at it**.
不要放弃—继续努力。
idiom

as free as a bird

完全自由；无忧无虑
Meaning
completely free; without worries
Example
After the exams, I felt **as free as a bird**.
考试后，我感到完全自由。
idiom

a work of art

非常美丽或巧妙制作的东西
Meaning
something very beautiful or skillfully made
Example
Her wedding dress was truly **a work of art**.
她的婚纱真的是**一件艺术品**。
idiom

as honest as the day is long

完全诚实和值得信赖
Meaning
completely honest and trustworthy
Example
Everyone knows that Tom is **as honest as the day is long**.
每个人都知道汤姆是**像白天一样诚实**。
idiom

balance of power

各国之间的权力分配，以防止任何一个国家变得过于强大
Meaning
the distribution of power between nations to prevent any one nation from becoming too powerful
Example
The United Nations aims to maintain the **balance of power** among its member states.
联合国旨在维持其成员国之间的**力量平衡**。
idiom

save time

减少做某事所需的时间
Meaning
to reduce the time needed for something
Example
Using shortcuts can **save time** when typing.
使用快捷键可以在打字时节省时间。
idiom

bear the brunt

承担某件不愉快事情的主要责任或痛苦
Meaning
to take the main responsibility or suffering of something unpleasant
Example
The junior staff had to **bear the brunt** of the manager’s anger.
初级员工不得不承受经理愤怒的主要部分。
idiom

True to your word

做你说会做的事情。
Meaning
To do exactly what you say you’ll do.
Example
He was **true to his word** and kept his promise.
他言出必行，履行了他的承诺。
idiom

bury the differences

忘记争执，重新成为朋友
Meaning
to forget disagreements and be friendly again
Example
They decided to **bury their differences** and work together.
他们决定**埋葬他们的分歧**，一起工作。
idiom

warp speed

非常高的速度；极快的进展
Meaning
very high speed; extremely fast progress
Example
The project is moving at **warp speed** now.
该项目现在正在以速战速决的速度推进。
idiom

Don't put off until tomorrow what you can do today

不要把今天能做的事拖到明天。
Meaning
Do not procrastinate; take advantage of the present moment.
Example
Finish your work now, **don't put off until tomorrow what you can do today**.
现在就完成你的工作，不要把今天能做的事拖到明天。
idiom

pick a fight

故意挑起争论
Meaning
to start an argument intentionally
Example
Don’t **pick a fight** with him; he’s already angry.
不要**挑衅**他；他已经生气了。
idiom

hang back

留在后面或犹豫不决
Meaning
to remain behind or hesitate to act
Example
If you **hang back**, you might miss the opportunity.
如果你留在后面，你可能会错失机会。
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。