level up
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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

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。
phrasal-verb

set up

建立或创建一个组织、系统或结构
Meaning
to establish or create an organization, system, or structure
Example
They **set up** a new political party to challenge the ruling government.
他们建立了一个新的政党，以挑战执政政府。
idiom

brighten up your day

使某人感到更快乐
Meaning
to make someone feel happier
Example
Her smile can **brighten up your day** instantly.
她的微笑能瞬间**让你的一天更美好**。
idiom

go with the flow

顺其自然；不抵抗变化
Meaning
to accept things as they come; not resist change
Example
Instead of worrying, just **go with the flow**.
与其担心，不如**随波逐流**。
idiom

take the initiative

首先采取行动并展示领导力
Meaning
to act first and show leadership
Example
Effective leaders often **take the initiative** to improve things.
有效的领导者常常主动采取行动来改善事情。
phrasal-verb

stop by

在去其他地方的路上简短地访问一个地方
Meaning
to visit a place briefly on your way somewhere else
Example
Let’s **stop by** the souvenir shop before heading home.
我们在回家的路上 **stop by** 纪念品商店
idiom

to make the grade

达到所需标准
Meaning
to meet the required standard
Example
He didn’t **make the grade** in the final exam.
他在期末考试中没有**通过**。
idiom

crash and burn

彻底或突然失败
Meaning
to fail completely or suddenly
Example
The new software update **crashed and burned** after launch.
新的软件更新在发布后**彻底失败了**。
idiom

roll the credits

正式完成某事
Meaning
to finish something officially
Example
After the final announcement, they **rolled the credits** on the project.
在最后的公告之后，他们在项目上滚动了字幕。
idiom

out of shape

由于缺乏锻炼而变得不健康或不适合
Meaning
to be unfit or unhealthy due to lack of exercise
Example
I’m so **out of shape** after sitting at a desk all day.
我整天坐在桌子前，完全不健康了。
phrasal-verb

level emotions

稳定自己的情绪状态；避免情绪的起伏
Meaning
to stabilize one's emotional state; to avoid highs and lows
Example
He practices meditation daily to **level emotions**.
他每天练习冥想来平衡自己的情绪。
idiom

predictive modeling

一种用于人工智能的技术，用于根据历史数据预测未来趋势
Meaning
a technique used in AI to predict future trends based on historical data
Example
The use of **predictive modeling** helps companies plan better for the future.
使用**预测建模**可以帮助公司更好地规划未来。
idiom

Money doesn't grow on trees

钱是有限的，必须通过努力赚取；并不容易得到。
Meaning
Money is limited and must be earned; not easy to get.
Example
You should save more—**money doesn’t grow on trees**.
你应该存更多的钱—**钱不是从树上长出来的**。
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

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

Economic bubble

一种资产价格远远高于其真实价值的情况。
Meaning
A situation where asset prices rise far above their real value.
Example
The housing **economic bubble** burst in 2008, causing a global crisis.
2008年住房经济泡沫破裂，引发了全球危机。
phrasal-verb

stabilize prices

使价格保持稳定并防止大幅波动
Meaning
to make prices steady and prevent large fluctuations
Example
Regulations were imposed to **stabilize prices** in the food market.
对食品市场实施了规定，以**稳定价格**。
phrasal-verb

campaign for

为政治或社会目标以有组织的方式工作
Meaning
to work in an organized way for a political or social goal
Example
They are **campaigning for** better education policies.
他们正在**为**更好的教育政策进行竞选。
phrasal-verb

stand united for

为某一事业或问题共同努力
Meaning
to act together in support of a cause or issue
Example
Nations must **stand united for** peace and prosperity.
各国必须**stand united for**和平与繁荣。
idiom

scaling up

在初步成功后迅速扩大业务
Meaning
to expand a business rapidly after initial success
Example
After their Series A funding, the team focused on **scaling up**.
在获得A轮融资后，团队专注于迅速扩大业务。
phrasal-verb

sit down with

严肃或正式地会面并讨论某事
Meaning
to meet and discuss something seriously or formally
Example
Government officials will **sit down with** community leaders to resolve the conflict.
政府官员将与社区领导人**坐下来**解决冲突。
idiom

off the top of your head

在没有深入思考或准备的情况下说某事
Meaning
to say something without deep thinking or preparation
Example
I can’t remember the exact number **off the top of my head**.
我不能记得准确的数字 **脱口而出**
phrasal-verb

run over

重复或复习你说的某些内容，以澄清或道歉
Meaning
to repeat or review something you said to clarify or apologize
Example
Let me **run over** what I said to make sure you understand my apology.
让我 **重复** 我说过的话，以确保你理解我的道歉。
idiom

reach out to

联系某人以提供或请求帮助
Meaning
to contact someone to offer or request help
Example
Feel free to **reach out to** me if you need support.
如果你需要支持，请随时**联系我**。
phrasal-verb

adjust for change

做出修改以应对新的情况
Meaning
to make modifications to deal with new circumstances
Example
The manager asked everyone to **adjust for change** during the transition.
经理要求大家在过渡期间调整以应对变化。
phrasal-verb

fog up

当玻璃或镜片被雾气或冷凝物覆盖时
Meaning
when glass or lenses become covered with mist or condensation
Example
My glasses always **fog up** when it rains.
下雨时我的眼镜总是**起雾**。
phrasal-verb

tidy up

打扫并整理一个空间
Meaning
to clean and organize a space
Example
I need to **tidy up** the kitchen before going to bed.
我需要在睡觉之前整理厨房。
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

take a dim view of

不赞成某事; 拥有负面意见
Meaning
to disapprove of something; to have a negative opinion
Example
The manager **takes a dim view of** employees arriving late.
经理不赞成员工迟到。
phrasal-verb

thank politely

以尊重的方式表达感激
Meaning
to express gratitude in a respectful way
Example
You should always **thank politely** when someone helps you.
当有人帮助你时，你应该总是**礼貌地表示感谢**。
idiom

the old school

拥有传统的信仰或方法
Meaning
having traditional beliefs or methods
Example
My professor is from **the old school**; he prefers chalkboards to slides.
我的教授来自老派; 他更喜欢黑板而不是幻灯片。
phrasal-verb

age into

随着年龄增长，逐渐进入角色或习惯
Meaning
to grow into a role or habit as you get older
Example
Many leaders **age into** a calmer style of decision-making.
许多领导者**随着年龄增长**采取了更冷静的决策风格。
phrasal-verb

bring up prices

使价格上涨; 使成本上升
Meaning
to cause prices to increase; to make costs rise
Example
High demand for oil can **bring up prices** across many industries.
石油的高需求可能会**抬高价格**，影响多个行业。
idiom

That’s exactly right

用来表示完全同意某个说法
Meaning
Used to completely agree with a statement
Example
**That’s exactly right**, we should focus on quality first.
没错，我们应该首先关注质量。
idiom

Carry the torch

继续支持从过去传承下来的事业或理念。
Meaning
To continue supporting a cause or idea passed from the past.
Example
Young activists are **carrying the torch** of civil rights today.
今天的年轻活动家们正在**传承火炬**，继续推进公民权利。
idiom

kind words cost nothing

善良不需要花费努力或金钱
Meaning
being kind doesn’t take effort or money
Example
Remember, **kind words cost nothing**.
记住，善良的话不花任何代价。
idiom

build up your confidence

逐渐变得更加自信
Meaning
to gradually become more confident
Example
Public speaking can help you **build up your confidence**.
公众演讲可以帮助你增强信心。
phrasal-verb

bring stability to

使情况或系统更稳定
Meaning
to make a situation or system more stable
Example
The reforms helped to **bring stability to** the banking sector.
改革帮助银行业带来了稳定。
idiom

plans are up in the air

计划不确定或尚未决定
Meaning
plans are uncertain or not decided yet
Example
Our travel plans are still **up in the air**.
我们的旅行计划仍然是**悬而未决**。
idiom

talk the talk

自信地谈论某事
Meaning
to speak confidently about something
Example
He can **talk the talk**, but can he walk the walk?
他能自信地谈论，但能做到吗？
idiom

jump in

迅速加入某个活动
Meaning
to join an activity quickly
Example
Feel free to **jump in** if you have suggestions.
如果你有建议，请随时**加入**。
idiom

in for a shock

即将非常惊讶或震惊
Meaning
about to be very surprised or shocked
Example
You’re **in for a shock** when you see the bill.
当你看到账单时，你会大吃一惊。
idiom

Go down the rabbit hole

深深地参与某事，往往是无意的。
Meaning
To get deeply involved in something, often unintentionally.
Example
I started reading about AI and **went down the rabbit hole** for hours.
我开始阅读关于人工智能的内容，**进入了兔子洞**几个小时。
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

on one's shoulders

承担某事的责任或负担
Meaning
having the responsibility or burden of something
Example
The success of the project is **on his shoulders**.
项目的成功**落在他肩上**。
phrasal-verb

bring in income

通过工作或投资赚取收入
Meaning
to earn money from work or investment
Example
She started freelancing to **bring in income** alongside her full-time job.
她开始做自由职业工作，以增加她的收入，除了她的全职工作。
idiom

burning ambition

强烈的实现某事的愿望
Meaning
a very strong desire to achieve something
Example
He had a **burning ambition** to become a successful entrepreneur.
他有一个**强烈的愿望**要成为一名成功的企业家。
idiom

heart skips a beat

因爱情而感到激动或紧张
Meaning
to feel excited or nervous because of love
Example
Every time he smiles, her **heart skips a beat**.
每次他笑的时候，她的**心跳漏了一拍**。
idiom

drill down

更详细地研究某事
Meaning
to examine something in greater detail
Example
We need to **drill down** into the survey responses.
我们需要深入研究调查的回答。
phrasal-verb

read up on

通过阅读学习或获得关于某事的信息
Meaning
to study or get information about something by reading
Example
You should **read up on** this topic before writing your paper.
你应该在写论文之前了解这个话题。
phrasal-verb

share your soul with

与某人完全诚实且脆弱地表达你的情感
Meaning
to be completely honest and vulnerable in expressing your emotions to someone
Example
You can only truly love when you **share your soul with** someone.
只有在你与某人分享你的灵魂时，你才能真正地去爱。
idiom

to be in someone’s good books

得到某人的青睐
Meaning
to be in favor with someone
Example
If you want to get promoted, you need to be **in the boss’s good books**.
如果你想升职，你需要**在老板的好书里**。
idiom

push the right buttons

做出准确的行为以获得期望的结果
Meaning
to do exactly what is needed to get a desired result
Example
She knows how to **push the right buttons** to impress her boss.
她知道如何**按对按钮**来打动她的老板。
phrasal-verb

build confidence

增强对自己能力的信心
Meaning
to strengthen belief in your own abilities
Example
Every small success helps you **build confidence** for bigger goals.
每一个小成功都能帮助你增强信心，追求更大的目标。
phrasal-verb

speak up for yourself

自信地表达你的观点或捍卫你的感受
Meaning
to express your opinions or defend your feelings confidently
Example
You need to **speak up for yourself** if something feels unfair.
如果有什么不公平的事情发生，你需要**为自己发声**。
idiom

call it a night

停止正在做的事并回家，特别是在派对后
Meaning
to stop what you are doing and go home, especially after a party
Example
It’s getting late, let’s **call it a night**.
已经很晚了，我们回家吧。
idiom

silver bullet

解决复杂问题的简单完美方案
Meaning
a simple and perfect solution to a complex problem
Example
There’s no **silver bullet** for data security.
数据安全没有灵丹妙药。
phrasal-verb

live for

在某事或某人中找到希望或意义
Meaning
to find hope or meaning in something or someone
Example
She **lives for** her children and their happiness.
她为她的孩子和他们的幸福而活。
idiom

put your feet up

在一段辛苦的工作后放松
Meaning
to relax after a period of hard work
Example
After the long day, I just want to **put my feet up**.
长时间工作后，我只想把脚抬起来。
phrasal-verb

release worries

放下焦虑和压力思维
Meaning
to let go of anxiety and stressful thoughts
Example
Take a walk to **release worries** from your mind.
去散步，释放你脑中的烦恼。
idiom

break away

从小组或常规中分离
Meaning
to separate from a group or routine
Example
She plans to **break away** from the commute by working remotely twice a week.
她计划通过每周远程工作两次来**break away**通勤。
idiom

know someone inside out

非常了解某人
Meaning
to know someone very well
Example
I **know her inside out**; we’ve been friends for years.
我非常了解她；我们已经是多年的朋友了。
phrasal-verb

freak with fear

变得非常害怕或惊恐
Meaning
to become extremely scared or panicked
Example
She **freaked with fear** when she saw the snake.
她看到蛇时非常害怕。
phrasal-verb

look out after

照顾某人，特别是照顾比自己年轻或更弱的人
Meaning
to take care of someone, especially someone younger or weaker
Example
My parents taught me to **look out after** my younger cousins.
我的父母教我照顾我的小表兄弟。
phrasal-verb

meet up

与某人会面，进行预定的会议
Meaning
to get together with someone for an arranged meeting
Example
Let’s **meet up** at the cafe before heading to the concert.
在去音乐会之前，我们在咖啡馆见面。
phrasal-verb

reflect on yourself

仔细思考自己的行为、思想和情感
Meaning
to think carefully about your actions, thoughts, and emotions
Example
Journaling allows you to **reflect on yourself** and grow.
写日记让你能够**反思自己**并成长。
idiom

A pack of lies

一整套虚假的陈述。
Meaning
A complete set of false statements.
Example
His excuse was nothing but **a pack of lies**.
他的借口不过是**一包谎言**。
phrasal-verb

reach deep within

与内心的情感或真实的感受相连接
Meaning
to connect with your inner emotions or true feelings
Example
Meditation helps you **reach deep within** and find peace.
冥想帮助你**reach deep within**并找到平静。
idiom

spread kindness like wildfire

迅速且不受控制地传播善意
Meaning
to spread kindness rapidly and uncontrollably
Example
Her acts of kindness **spread like wildfire** in the community.
她的善行在社区中**像野火一样蔓延**。
phrasal-verb

build upon success

利用现有成功作为未来增长的基础
Meaning
to use existing success as a foundation for future growth
Example
The bank aims to **build upon success** from last year’s performance.
银行旨在基于去年业绩的基础上**建立成功**。
idiom

Tech-savvy

拥有现代技术的良好知识。
Meaning
Having good knowledge of modern technology.
Example
Our **tech-savvy** team built the prototype in just a week.
我们的**技术精通**团队在仅一周内完成了原型。
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**。
phrasal-verb

agree on

达成一致的决定或理解
Meaning
to reach a shared decision or understanding
Example
We finally **agreed on** the marketing strategy after a long discussion.
经过长时间的讨论，我们终于就营销策略达成了一致。
phrasal-verb

shake out

通过移动或拉伸来缓解压力或紧张
Meaning
to relieve stress or tension by moving or stretching
Example
Before continuing your work, take a moment to **shake out** your hands and shoulders.
在继续工作之前，花一点时间 **摇动** 你的手和肩膀。
idiom

get straight to the point

直接谈论主要话题
Meaning
to talk directly about the main topic
Example
Let's **get straight to the point** and discuss the issue.
让我们**直奔主题**并讨论这个问题。
phrasal-verb

draw together

为共同的目标将人们团结在一起
Meaning
to unite people for a common purpose
Example
The leader’s vision helped **draw together** the entire organization.
领导者的愿景帮助将整个组织团结在一起。
phrasal-verb

burn down

被火摧毁
Meaning
to be destroyed by fire
Example
The forest **burned down** after the wildfire.
森林在森林火灾后**被烧毁**。
idiom

play devil's advocate

为了测试一个想法的强度而反对它
Meaning
to argue against an idea to test how strong it is
Example
I don't necessarily disagree, but let me **play devil's advocate** for a moment.
我不一定不同意，但让我暂时扮演一下反对者。
phrasal-verb

value differences

尊重并欣赏使人们与众不同的东西
Meaning
to respect and appreciate what makes people unique
Example
We should **value differences** as they make our workplace stronger.
我们应该**重视差异**，因为它们使我们的工作场所更强大。
phrasal-verb

show love to

向某人表示爱意或感激
Meaning
to demonstrate affection or gratitude toward someone
Example
He **shows love to** his mentors for guiding him through tough times.
他**向他的导师表示爱意**，感谢他们在困难时期为他指引方向。
phrasal-verb

gain from

从某事物中获得好处、优势或知识
Meaning
to get a benefit, advantage, or knowledge from something
Example
You can **gain from** every experience, even the difficult ones.
你可以从每一次经历中获益，即使是困难的经历。
idiom

chicken out

因为害怕而决定不做某事
Meaning
to decide not to do something because of fear
Example
He was going to ask her out but **chickened out** at the last minute.
他本来要约她出去，但在最后一刻**临阵退缩**了。
phrasal-verb

lift off

以极大的精力或热情开始
Meaning
to start with great energy or enthusiasm
Example
Her confidence helped the project **lift off** successfully.
她的自信帮助项目成功起飞。
phrasal-verb

keep inside

不向他人展示或告诉他们你的情感
Meaning
to not show or tell others about your emotions
Example
He tends to **keep** his feelings **inside** instead of talking about them.
他倾向于将自己的感受**保持在心里**，而不是谈论它们。
idiom

strike it lucky

拥有意外的好运
Meaning
to have unexpected good fortune
Example
We **struck it lucky** and found the last two tickets.
我们运气好，找到了最后两张票。
phrasal-verb

open up to courage

允许勇气和自信进入一个人的内心
Meaning
to allow bravery and confidence to enter one’s mind
Example
She slowly **opened up to courage** after years of doubt.
在多年的怀疑之后，她慢慢地**向勇气敞开心扉**。
phrasal-verb

set reminders for

设置提醒以确保任务不会被遗忘
Meaning
to schedule alerts so tasks are not forgotten
Example
I **set reminders for** every invoice deadline in my calendar.
我在日历中为每个发票截止日期设置提醒
phrasal-verb

back away

从某个可怕的东西后退
Meaning
to move backward from something frightening
Example
They **backed away** from the angry dog.
他们从生气的狗面前**退后**。
phrasal-verb

cool down after

在锻炼或努力后轻松放松
Meaning
to gently relax following exercise or effort
Example
Always **cool down after** intense matches to avoid injury.
总是**冷却下来后**在激烈的比赛后避免受伤。
phrasal-verb

tremble with excitement

因兴奋而轻微地颤抖
Meaning
to shake slightly because of excitement
Example
He **trembled with excitement** before the announcement.
他在宣布之前**因兴奋而颤抖**。
phrasal-verb

turn up for

参加或出席以支持活动或事业
Meaning
to attend or show up to support an event or cause
Example
Many locals **turned up for** the community clean-up drive.
许多当地人参加了社区清理活动。
phrasal-verb

reflect on feedback

仔细考虑评论或评估以改进
Meaning
to think carefully about comments or evaluations to improve
Example
Good learners always **reflect on feedback** to do better next time.
好的学习者总是**反思反馈**，以便下次做得更好。
idiom

wired differently

以独特或非常规的方式思考或表现
Meaning
to think or behave in a unique or unconventional way
Example
Great innovators are often **wired differently**.
伟大的创新者常常思考不同。
idiom

on the fence

对某事感到不确定或犹豫不决
Meaning
undecided or unsure about something
Example
She’s still **on the fence** about moving abroad.
她仍然对是否搬到国外**在围栏上**。
idiom

stick to your guns

即使在压力下也坚持自己的信念或决定
Meaning
to remain firm in your beliefs or decisions even under pressure
Example
He **stuck to his guns** even when others doubted him.
他**坚持自己的决定**，即使别人怀疑他。
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

take the long view

考虑未来而不是短期收益
Meaning
to plan or think about the future rather than short-term gains
Example
Successful leaders always **take the long view** when making decisions.
成功的领导者在做决策时总是着眼长远。
idiom

breathe easy

在压力大或危险的情况下放松
Meaning
to relax after a stressful or dangerous situation
Example
After the pollution control laws were enforced, people could finally **breathe easy**.
在污染控制法案实施后，人们终于能够**松口气**。
idiom

on the bench

在法庭上担任法官
Meaning
serving as a judge in a court
Example
She spent 20 years **on the bench** before retiring.
她在退休之前作为法官工作了20年。
idiom

a quantum leap

一次巨大的突然改善
Meaning
a big and sudden improvement
Example
This discovery is **a quantum leap** in medical research.
这个发现是医学研究中的**量子飞跃**。
idiom

on the go

总是忙碌或活跃；经常旅行
Meaning
always busy or active; traveling a lot
Example
She's always **on the go** with her work trips.
她总是忙于工作旅行。
idiom

pull the wool over someone’s eyes

欺骗或捉弄某人
Meaning
to deceive or trick someone
Example
He tried to **pull the wool over my eyes**, but I knew the truth.
他试图欺骗我，但我知道真相。
idiom

doubt creeps in

开始感到不确定或不安全
Meaning
to begin to feel uncertain or unsure
Example
After a few failures, **doubt began to creep in**.
经过几次失败后，怀疑开始涌现。
phrasal-verb

follow up with clients

在初次会议或沟通后再次联系某人
Meaning
to contact someone again after an initial meeting or communication
Example
Don’t forget to **follow up with clients** after sending the proposal.
发送提案后，别忘了**跟进客户**
phrasal-verb

reach back out

在一段时间后重新回复或联系某人
Meaning
to reply or contact someone again after a while
Example
He finally **reached back out** to his followers after a month.
他一个月后终于再次联系了他的追随者。
idiom

a breakthrough

在科学或研究中取得的重要发现或成就
Meaning
a significant discovery or achievement in science or research
Example
The team made **a breakthrough** in cancer research.
团队在癌症研究中取得了突破。
idiom

wrap your head around

理解或领会困难的事情
Meaning
to understand or comprehend something difficult
Example
It took me a while to **wrap my head around** the new software.
我花了一些时间才**理解**新软件。
phrasal-verb

bring out potential

帮助他人展示他们的最佳能力
Meaning
to help others show their best abilities
Example
A true leader **brings out potential** in every team member.
一个真正的领导者 **激发团队成员的潜力**。
idiom

put on a brave face

当你并不自信或高兴时，装作自信或高兴
Meaning
to pretend to be confident or happy when you are not
Example
She **put on a brave face** even after hearing the bad news.
即使听到坏消息，她还是**装作自信**。
idiom

where there’s a will, there’s a way

有志者事竟成
Meaning
if you are determined, you can find a solution
Example
**Where there’s a will, there’s a way**—you can do it!
有志者事竟成——你可以做到！
phrasal-verb

backtrack on

撤回或撤回先前的声明或承诺
Meaning
to reverse or withdraw from an earlier statement or promise
Example
The spokesperson **backtracked on** the claim once the data was checked.
发言人**撤回**了声明，一旦数据得到检查。
phrasal-verb

cheer someone for

通过赞美或鼓励某人来表达欣赏
Meaning
to show appreciation by praising or encouraging someone
Example
They **cheered him for** his volunteer work at the shelter.
他们因他的志愿者工作在收容所中为他加油。
idiom

black box problem

一种情况，其中人工智能系统的内部工作不透明或无法理解
Meaning
a situation where the internal workings of an AI system are not transparent or understood
Example
The biggest challenge in deep learning is the **black box problem**.
深度学习中最大的挑战是**黑盒问题**。
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

split decision

一种意见分歧的决定
Meaning
a decision where people are divided in opinion
Example
The committee made a **split decision** on the proposal.
委员会对提案作出了分歧决定。
phrasal-verb

tune into positivity

专注于积极的思想或情感
Meaning
to focus your attention on positive thoughts or feelings
Example
Each morning, **tune into positivity** before starting your work.
每天早晨，在开始工作之前，调入积极性。
phrasal-verb

throw up

呕吐
Meaning
to vomit
Example
The spoiled food made him **throw up**.
变质的食物让他呕吐。
idiom

food for thought

让人认真思考的事情
Meaning
something that makes you think seriously
Example
His comment gave me **food for thought**.
他的评论让我深思。
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**。
phrasal-verb

live below your means

花费比你赚的钱少
Meaning
to spend less money than you earn
Example
One key to financial freedom is to **live below your means** consistently.
财务自由的一个关键是始终**低于你的经济水平生活**。