patch things up
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idiom

patch things up

在争吵后修复关系
Meaning
to repair a relationship after a disagreement
Example
They finally **patched things up** after their fight.
他们终于在争吵后**和好了**。
idiom

machine mind

一种依赖于逻辑和计算的思维方式
Meaning
a way of thinking that relies heavily on logic and computation
Example
You need a **machine mind** to understand how neural networks operate.
你需要一个**机器思维**来理解神经网络是如何运作的。
idiom

get a move on

赶快或更快地移动
Meaning
to hurry up or move faster
Example
**Get a move on**, or we’ll miss the train!
**快点!**, 否则我们会错过火车!
idiom

driven by passion

因对某事的强烈热情或爱而受到激励
Meaning
to be motivated by strong enthusiasm or love for something
Example
He is **driven by passion** to help others succeed.
他受到热情驱动，帮助他人取得成功。
idiom

dance the night away

在庆祝活动中跳舞很长时间
Meaning
to dance for a long time, especially during a celebration
Example
Everyone **danced the night away** at the wedding reception.
每个人都在婚礼招待会上跳舞了一整夜。
idiom

the acid test

成功的真实和最终测试
Meaning
a true and final test of success
Example
The real market will be **the acid test** for this invention.
真正的市场将是此发明的**酸性测试**。
idiom

to goof up

犯愚蠢或粗心的错误
Meaning
to make a silly or careless mistake
Example
She **goofed up** the numbers in the report.
她把报告中的数字弄错了。
idiom

faith moves mountains

强烈的信念可以实现伟大的事情
Meaning
strong belief can achieve great things
Example
Keep believing in yourself—**faith moves mountains**.
继续相信自己—**信念能移山**。
idiom

warm-hearted

热心且富有同情心
Meaning
kind and sympathetic
Example
She is a **warm-hearted** person who cares for everyone.
她是一个**热心**的人，关心每一个人。
idiom

under pressure

处于充满压力的环境中，面临很多要求
Meaning
to be in a stressful situation with a lot of demands
Example
She performs well even when she’s **under pressure**.
即使她在**压力下**，仍然表现出色。
idiom

nod off

突然睡着，特别是坐着的时候
Meaning
to fall asleep suddenly, especially when sitting
Example
He **nodded off** during the boring lecture.
他在无聊的讲座中睡着了。
idiom

have a soft spot for someone

对某人感到喜爱或温柔
Meaning
to feel affection or fondness for someone
Example
He has always **had a soft spot for** his childhood friend.
他一直对他的童年朋友有柔软的感觉。
idiom

fly by the seat of your pants

做事不做计划，只凭直觉和经验
Meaning
to do something without planning, using only instinct and experience
Example
We didn't have a map, so we **flew by the seat of our pants**.
我们没有地图，所以我们凭直觉行动。
idiom

on your own shoulders

对某事负责
Meaning
to be responsible for something yourself
Example
The success of this event rests **on your own shoulders**.
这个事件的成功完全取决于你自己肩膀上的责任。
idiom

find your feet

在新环境中感到舒适
Meaning
to become comfortable in a new situation
Example
It took a few months for him to **find his feet** in the new city.
他花了几个月才在新城市站稳脚跟。
idiom

a no-brainer

非常容易理解或决定的事情
Meaning
something that is very easy to understand or decide
Example
The solution to the problem was **a no-brainer**.
问题的解决方案是**非常简单的**。
idiom

can of worms

一个复杂的问题，一旦开始，可能会引发更多麻烦
Meaning
a complex problem that may cause more trouble once started
Example
AI bias is a **can of worms** that’s hard to fix.
AI偏见是一个**can of worms**，很难解决。
idiom

pull out all the stops

尽一切可能去实现某事
Meaning
to make every possible effort to achieve something
Example
The team **pulled out all the stops** to win the championship.
团队尽一切可能赢得了冠军。
idiom

find your balance

保持健康的工作和生活平衡
Meaning
to maintain a healthy work-life equilibrium
Example
It’s important to **find your balance** between work and rest.
在工作和休息之间找到平衡非常重要。
idiom

have a splitting headache

头痛得厉害
Meaning
to have a very bad headache
Example
I can’t focus right now; I **have a splitting headache**.
我现在无法集中注意力；我头痛得厉害。
idiom

beat a dead horse

在已经解决的问题上浪费时间
Meaning
to waste time on a topic that has already been resolved
Example
Stop **beating a dead horse**; the decision is final.
别再纠结这个问题了，决定已经定了。
idiom

come straight to the point

直接而诚实，不浪费时间
Meaning
to be direct and honest without wasting time
Example
Please **come straight to the point** and tell me what happened.
请直接了当告诉我发生了什么。
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

bounce back

在挫折或失败后迅速恢复
Meaning
to recover quickly after a setback or failure
Example
She **bounced back** after losing the competition.
她在输掉比赛后迅速恢复了过来。
idiom

turn dreams into reality

实现长期渴望的事情
Meaning
to achieve something one has long desired
Example
With hard work and dedication, you can **turn your dreams into reality**.
通过努力和奉献，你可以把梦想变为现实。
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

fine-tune

做出小的调整以提高性能
Meaning
to make small adjustments to improve performance
Example
The team **fine-tuned** the design before the final launch.
团队在最终发布前调整了设计。
idiom

hold forth

就某个话题长时间地讲话
Meaning
to speak at length about a topic
Example
He loved to **hold forth** on travel stories.
他喜欢在旅行故事中长时间地讲话。
idiom

Star-studded

充满著著名或有才华的人。
Meaning
Full of famous or talented people.
Example
The event was **star-studded** with celebrities from all fields.
这个活动充满了来自各个领域的名人。
idiom

bright spark

一个非常聪明或有才华的人
Meaning
a very clever or talented person
Example
The new intern is a real **bright spark** with great ideas.
新的实习生是一个真正的**bright spark**，拥有很棒的想法。
idiom

play by ear

即兴发挥或随行决定，而不是遵循固定计划
Meaning
to improvise or decide as you go rather than following a fixed plan
Example
We don't have a fixed schedule, so let's just **play it by ear**.
我们没有固定的日程安排，所以就随意处理吧。
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

under oath

在法庭上发誓说真话
Meaning
having sworn to tell the truth in court
Example
He lied **under oath** and was charged with perjury.
他在 **宣誓** 后撒谎，并被控伪证罪。
idiom

Face the truth

接受一个情况的现实，即使它是不愉快的。
Meaning
To accept the reality of a situation, even if it’s unpleasant.
Example
You have to **face the truth** about your finances.
你必须面对你财务的现实。
idiom

to be open and honest

坦率或真诚地说话
Meaning
to speak frankly or sincerely
Example
I want to **be open and honest** with you about my feelings.
我想和你**坦率而真诚地**谈论我的感受。
idiom

set a good example

以一种方式行为，向他人展示他们应该如何行动
Meaning
to behave in a way that shows others how they should act
Example
Parents should **set a good example** for their children.
父母应该为孩子们**树立一个好榜样。**
idiom

upload your thoughts

在网上表达或分享自己的想法
Meaning
to express or share one’s ideas online
Example
People love to **upload their thoughts** on social media.
人们喜欢在社交媒体上上传自己的想法。
idiom

word of mouth

人们口耳相传的信息
Meaning
information spread by people talking to each other
Example
The news spread quickly by **word of mouth**.
消息通过口耳相传很快传播开了。
idiom

touch gold

在某事上非常成功或幸运
Meaning
to be very successful or lucky in something
Example
Every project he takes on seems to **touch gold**.
他接手的每一个项目似乎都很成功。
idiom

in the nick of time

在最后可能的时刻；就在为时已晚之前
Meaning
at the last possible moment; just before it’s too late
Example
He arrived **in the nick of time** to catch the train.
他**在时间的关头**赶上了火车。
idiom

data encryption

将数据转换为代码的过程，以防止未经授权的访问
Meaning
the process of converting data into a code to prevent unauthorized access
Example
Ensure all sensitive information is protected through **data encryption**.
确保所有敏感信息通过**数据加密**得到保护。
idiom

To have a clear conscience

觉得自己做了正确的事情。
Meaning
To feel that one has done the right thing.
Example
After returning the lost wallet, he went to bed **with a clear conscience**.
在归还丢失的钱包后，他**心安理得**地上床睡觉。
idiom

take the bull by the horns

直面困难的情况，直接且勇敢地应对
Meaning
to face a difficult situation directly and with courage
Example
She decided to **take the bull by the horns** and confront her manager.
她决定 **勇敢地面对挑战**，直接与经理对抗。
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

take shape

开始发展或变得清晰
Meaning
to begin to develop or become clear
Example
Our business plan is finally **taking shape**.
我们的商业计划终于开始成形。
idiom

jump out of your chair

从震惊或惊讶中突然反应
Meaning
to react suddenly from shock or surprise
Example
He **jumped out of his chair** when he heard the news.
他**从椅子上跳了起来**当他听到那个消息。
idiom

take the heat

接受批评或责备。
Meaning
to accept criticism or blame.
Example
The manager **took the heat** for the failed project.
经理 **为失败的项目承担了批评**。
idiom

to be above board

在行为中公开和诚实
Meaning
to be open and honest in your actions
Example
His dealings were always **above board**, and everyone trusted him.
他的行为总是**光明正大**，每个人都信任他。
idiom

to have a thirst for knowledge

强烈渴望学习或获得更多知识
Meaning
to have a strong desire to learn or gain more knowledge
Example
She always **has a thirst for knowledge** and keeps reading books.
她总是**渴望知识**，并不断阅读书籍。
idiom

come crashing down

突然失败或崩溃
Meaning
to suddenly fail or collapse
Example
Their plans **came crashing down** after the crisis.
他们的计划在危机后崩溃了。
idiom

Old hat

过时的或不再有趣的东西
Meaning
Something that is outdated or no longer interesting
Example
That style is **old hat** now—no one wears it anymore.
那种风格现在已经过时了——没人再穿它了。
idiom

turn the page

完成或克服某事后，转向新的事物
Meaning
to move on to something new after finishing or overcoming something
Example
After the breakup, she decided to **turn the page** and start fresh.
分手后，她决定 **转页** 开始新的生活。
idiom

brush aside

把某事视为不重要并置之不理
Meaning
to dismiss something as unimportant
Example
Management **brushed aside** the rumors during the briefing.
管理层在简报中**无视**了这些谣言。
idiom

drum up

增加对某事的兴趣或支持
Meaning
to increase interest or support for something
Example
The volunteers are visiting schools to **drum up** excitement for the festival.
志愿者正在访问学校，以增加节日的兴奋。
idiom

The greater good

一种观点，认为行动应该根据它们对社会整体福祉的贡献来评判，而不是根据个人利益。
Meaning
The idea that actions should be judged based on how much they contribute to the overall well-being of society, rather than individual interests.
Example
In times of crisis, leaders must always think about **the greater good** before making decisions.
在危机时刻，领导者在做决策之前，必须始终考虑 **更大的利益**。
idiom

Move heaven and earth

为了实现某事而尽一切可能。
Meaning
To do everything possible to achieve something.
Example
They **moved heaven and earth** to save the project.
他们竭尽全力拯救这个项目。
idiom

get something off your chest

谈论让你担心的事情
Meaning
to talk about something that has been worrying you
Example
I needed to **get it off my chest**, so I finally told her the truth.
我需要**把它从心里说出来**，所以我终于告诉了她真相。
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

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

keep your head up

在困境中保持自信和坚强
Meaning
to remain confident and strong during hardships
Example
**Keep your head up**, better days are coming.
**抬起头来**, 更好的日子即将到来。
idiom

move with the times

随着社会或技术的变化而改变和适应
Meaning
to change and adapt as things in society or technology change
Example
Businesses must **move with the times** to stay relevant.
企业必须**顺应时代**才能保持竞争力。
idiom

shore up

加强或支持某事
Meaning
to strengthen or support something
Example
They’re investing to **shore up** the rural clinics.
他们正在投资以加强农村诊所。
idiom

With friends like that, who needs enemies?

一个人的行为或举止让他们比敌人还要糟糕。
Meaning
A person’s actions or behavior make them worse than an enemy.
Example
He betrayed me again, **with friends like that, who needs enemies?**
他又背叛了我，**Wīth fùrénz lái kè dāt, hū nǐdz énìmíz?**
idiom

to see the big picture

理解更大或更重要的问题
Meaning
to understand the larger or more important issue
Example
You need to **see the big picture** when making strategic decisions.
在做战略决策时，你需要看到全局。
idiom

mix in

將一件事物與其他事物結合
Meaning
to combine one thing with others
Example
Now **mix in** the chopped herbs.
現在將切碎的香草混合進去。
idiom

the dream team

一群工作非常默契的人
Meaning
a group of people who work extremely well together
Example
With these members, we’ve built **the dream team**.
有了这些成员，我们建立了**梦想团队**。
idiom

A true friend is one who stands by you

一个真正的朋友会在你困难的时候陪伴你
Meaning
A true friend will be there for you during difficult times
Example
Even in the worst of times, she proved to be a true friend. **A true friend is one who stands by you**.
即使在最糟糕的时候，她证明了自己是一个真正的朋友。**一个真正的朋友会在你困难的时候陪伴你**。
idiom

fulfill one's obligations

履行自己的义务
Meaning
to complete or carry out one's duties
Example
He always tries to **fulfill his obligations** to his clients.
他总是努力履行对客户的义务。
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

green around the gills

看起来生病或恶心
Meaning
looking sick or nauseated
Example
He looked **green around the gills** after the boat ride.
他在船上之后看起来**像是生病**。
idiom

keep body and soul together

努力生存或幸存
Meaning
to manage to stay alive or survive
Example
He worked day and night just to **keep body and soul together**.
他日夜工作只是为了**活下来**。
idiom

to make a boo-boo

犯一个小的或有趣的错误
Meaning
to make a small or funny mistake
Example
Oops, I **made a boo-boo** and sent the wrong file!
哎呀，我犯了一个小错误并发送了错误的文件！
idiom

test the waters

在完全投入之前先尝试一下
Meaning
to try something out before committing fully
Example
Before launching the product, we decided to **test the waters**.
在推出产品之前，我们决定**试水**。
idiom

move mountains

达成非常困难的事情
Meaning
to achieve something very difficult
Example
With determination, you can **move mountains**.
只要有决心，你就能**搬山**。
idiom

Fine tuning

为了改进而进行的小调整
Meaning
small adjustments to improve something
Example
The plan just needs some **fine tuning** before we present it.
在我们展示之前，这个计划只需要一些小调整。
idiom

live and let live

允许别人按照自己的方式生活，不去干涉
Meaning
to allow others to live as they choose without interference
Example
I believe in the principle of **live and let live**.
我相信**各过各的**的原则。
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。
idiom

raise a toast

用饮料来向某人或某事表示敬意
Meaning
to honor someone or something with a drink
Example
We **raised a toast** to the newlyweds.
我们为新婚夫妇举杯。
idiom

shoulder the blame

承担某件坏事的责任。
Meaning
to take responsibility for something bad.
Example
He decided to **shoulder the blame** for the error.
他决定为错误承担责任。
idiom

human in the loop

一个积极参与监控或控制自动化过程的人
Meaning
a person actively involved in monitoring or controlling an automated process
Example
Even in AI systems, a **human in the loop** ensures ethical decisions.
即使在人工智能系统中，**人类在环中**也能确保做出道德决策。
idiom

reboot your life

重新开始或做一个全新的开始
Meaning
to start over or make a fresh beginning
Example
After losing his job, he decided to **reboot his life**.
失去工作后，他决定**重新开始他的生活**。
idiom

open up about

分享个人的想法或感受
Meaning
to share personal thoughts or feelings
Example
He finally **opened up about** the project stress.
他终于谈到了项目压力。
idiom

rob Peter to pay Paul

从某部分拿钱来支付其他费用
Meaning
to take money from one part of something in order to pay for something else
Example
They're always **robbing Peter to pay Paul**, moving money around without making any progress.
他们总是在**抢彼得的钱去付保罗**，不断地转动钱却没有任何进展。
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**。
idiom

the proof is in the pudding

事物的真正价值只有在使用时才能判断
Meaning
the real value of something can only be judged when it's put to use
Example
He claims the app is great, but **the proof is in the pudding**.
他说这个应用很好，但用过之后才能见真章。
idiom

ahead of the game

有优势或做好充分准备
Meaning
to have an advantage or be well prepared
Example
She’s always **ahead of the game** with her planning.
她在计划方面总是领先一步。
idiom

alive and kicking

仍然健康，充满活力
Meaning
still healthy and full of life
Example
My grandmother is 90 but still **alive and kicking**.
我的祖母已经90岁了，但仍然**充满活力**。
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

on the front line

直接参与某事中最活跃或最危险的部分
Meaning
directly involved in the most active or dangerous part of something
Example
Doctors were **on the front line** during the pandemic.
在疫情期间，医生们**在前线**。
idiom

build a better mousetrap

改进现有的产品或想法
Meaning
to improve an existing product or idea
Example
Every tech company tries to **build a better mousetrap** in its field.
每个科技公司都在其领域尝试**创造更好的捕鼠器**。
idiom

dawn on

突然明白过来
Meaning
to become clear to someone after not realizing
Example
It suddenly **dawned on** me that I’d left my wallet.
我突然明白我把钱包忘了。
idiom

fish for

试图得到某些东西，比如信息或赞美
Meaning
to try to get something such as information or praise
Example
He keeps **fishing for** compliments about his report.
他总是在为自己的报告寻求称赞。
idiom

sort out

组织或解决一个令人困惑的情况
Meaning
to organize or resolve a confusing situation
Example
We need to **sort out** this billing error today.
我们今天需要解决这个账单错误。
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

cross one's heart

做出真诚的承诺，通常由孩子们使用
Meaning
to make a sincere promise, often used by children
Example
I’ll never lie to you again, **cross my heart**.
我再也不会对你撒谎了，**我发誓**。
idiom

The unexamined life is not worth living

没有自我反思或自我分析的生活并不是真正充实或有意义的。
Meaning
A life lived without introspection or self-reflection is not truly fulfilling or meaningful.
Example
Socrates' belief that **the unexamined life is not worth living** continues to inspire those seeking a deeper understanding of existence.
苏格拉底的信念认为**未经审视的生活不值得活**，继续激励那些寻求对存在更深理解的人。
idiom

give someone a break

给某人一个机会或对他们表示怜悯
Meaning
to give someone a chance or show them mercy
Example
He’s new here, so **give him a break**.
他是新来的，所以**给他一个机会**。
idiom

zoom in

专注于某事
Meaning
to focus closely on something
Example
Use the report to **zoom in** on customer trends.
使用报告来**专注于**客户趋势。
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

cry over spilt milk

为无法改变的事情而懊恼
Meaning
to be upset about something that cannot be changed
Example
There’s no use **crying over spilt milk**.
为洒掉的牛奶哭是没有用的。
idiom

butterflies in my stomach

感到紧张或焦虑
Meaning
feeling nervous or anxious
Example
I had **butterflies in my stomach** before the interview.
面试前我感到很紧张。
idiom

in the back of one's mind

在没有完全注意的情况下想到某事
Meaning
thinking about something without giving it full attention
Example
I've always had this idea **in the back of my mind**, but never really acted on it.
我一直在**脑海深处**有这个想法，但从未真正付诸行动。
idiom

break the silence

在一段沉默之后开始说话
Meaning
to start talking after a period of silence
Example
He was the one to **break the silence** after the awkward pause.
尴尬的沉默之后，他是那个**打破沉默**的人。
idiom

keep your eye on the prize

尽管有障碍，仍然专注于你的目标
Meaning
to stay focused on your goal or objective despite obstacles
Example
Even though the road was tough, he always **kept his eye on the prize** and succeeded.
尽管路途艰难，他始终紧盯着目标并取得了成功。
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

in the wrong

对错误或糟糕情况负责。
Meaning
to be responsible for a mistake or bad situation.
Example
He knew he was **in the wrong** for shouting at her.
他知道大声对她喊是他的错。
idiom

zero-day exploit

在漏洞被修补之前发生的网络攻击
Meaning
a cyberattack that occurs before a vulnerability is patched
Example
Hackers launched a **zero-day exploit** targeting the system’s core files.
黑客发起了一个**零日漏洞利用**， targeting系统核心文件。
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

break the clutter

在拥挤或竞争激烈的市场中脱颖而出
Meaning
to stand out in a crowded or competitive market
Example
A good tagline can help a brand **break the clutter**.
一个好的标语可以帮助品牌在混乱中脱颖而出。
idiom

green-eyed jealousy

强烈的嫉妒情感
Meaning
strong feeling of envy
Example
**Green-eyed jealousy** can ruin even the best relationships.
**绿眼睛的嫉妒**甚至可以摧毁最好的关系。
idiom

put one's trust in

将信任寄托于某人或某事
Meaning
to place reliance or faith in someone or something
Example
He decided to **put his trust in** the new system.
他决定将**信任寄托于**新系统。
idiom

have it made

处于非常有利的位置以获得成功
Meaning
to be in a very good position for success
Example
With a stable job and a happy family, he really **has it made**.
有了稳定的工作和幸福的家庭，他确实是处于一个非常好的位置。
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

chain reaction

由一个事件引发的一系列事件
Meaning
a series of events triggered by one event
Example
One breakthrough can start a **chain reaction** of new innovations.
一个突破可以引发新的创新的**连锁反应**。
idiom

put your faith in

信任或相信某人或某事
Meaning
to trust or believe in someone or something
Example
She decided to **put her faith in** her friends to help her.
她决定**把信任寄托在**她的朋友身上，以帮助她。
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

drop in the ocean

与所需的量相比，非常小或微不足道的数量
Meaning
a very small or insignificant amount compared to what is needed
Example
Our recycling efforts are just a **drop in the ocean** compared to the global pollution problem.
与全球污染问题相比，我们的回收努力只是**海洋中的一滴水**。
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

a walking encyclopedia

一个知道很多关于许多主题的人
Meaning
a person who knows a lot about many subjects
Example
Ask him anything about history—he’s **a walking encyclopedia**.
问他任何关于历史的事情——他是**一本行走的百科全书**。
idiom

machine learning

一种数据分析方法，自动构建分析模型。
Meaning
A method of data analysis that automates analytical model building.
Example
We used **machine learning** to predict customer behavior.
我们使用**机器学习**来预测客户行为。
idiom

old friend

你认识很久的朋友
Meaning
a friend you have known for a long time
Example
I met an **old friend** from college yesterday.
我昨天遇到了一个大学的老朋友。