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phrasal-verb

open onto

通向一个地方或连接的机会
Meaning
to lead to a place or opportunity for connection
Example
This conversation could **open onto** a deeper understanding between us.
这段对话可能会**开向**我们之间更深的理解。
idiom

Don’t bite off more than you can chew

不要承担超出你能处理的责任。
Meaning
Don’t take on more responsibility than you can handle.
Example
**Don’t bite off more than you can chew**, start small.
不要咬下超过你能咀嚼的东西，从小开始。
idiom

spin up

快速启动某事，尤其是一个系统
Meaning
to start something quickly, especially a system
Example
The IT team can **spin up** a test server in minutes.
IT团队可以在几分钟内启动一个测试服务器。
idiom

pay the price

承受自己行为的后果
Meaning
to suffer the consequences of one’s actions
Example
If you don’t follow the rules, you’ll have to **pay the price**.
如果你不遵守规则，你将不得不**付出代价**。
phrasal-verb

fill in as

临时接管某人的工作或职位
Meaning
to temporarily take over someone’s job or position
Example
He will **fill in as** project manager while the current one is on leave.
他将临时接管项目经理的职位，直到当前的经理休假。
idiom

same old story

令人厌烦的老一套
Meaning
something boringly repetitive
Example
It's the **same old story** every time we meet.
每次我们见面，都是老一套。
phrasal-verb

come up in

在对话中被提到或讨论
Meaning
to be mentioned or discussed in a conversation
Example
Your name **came up in** our meeting yesterday.
昨天在我们的会议中提到了你的名字。
idiom

blue chip

一个历史悠久且财务稳健的公司
Meaning
a well-established and financially sound company
Example
He prefers to invest in **blue chip** stocks for stability.
他更喜欢投资**蓝筹**股票以获得稳定性。
idiom

the ball is rolling

一个过程已经开始并在取得进展
Meaning
a process has started and is making progress
Example
Now that **the ball is rolling**, we need to keep working.
现在 **球正在滚动**, 我们需要继续工作。
phrasal-verb

carve out power

通过持续的努力获得影响力
Meaning
to gain influence by persistent effort
Example
Community organizers **carve out power** through consistent meetings.
社区组织者通过不断的会议获得影响力。
idiom

mix together

将不同的东西结合成一体
Meaning
to combine different things into one
Example
**Mix together** the spices before adding them to the stew.
在将它们加入炖菜之前，将香料混合在一起
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。
phrasal-verb

open up to ideas

接受新颖和不同的想法
Meaning
to be receptive to new and different ideas
Example
We should **open up to ideas** from junior staff as well.
我们也应该接受来自初级员工的想法。
idiom

open a new chapter

在生活中开始新的阶段或时期
Meaning
to begin a new stage or period in life
Example
Graduating from university **opened a new chapter** in her life.
大学毕业 **开启了她生活的新篇章**。
phrasal-verb

get at

间接地暗示或建议某事
Meaning
to imply or suggest something indirectly
Example
What exactly are you **getting at** with that question?
你究竟在这个问题上**是什么意思**？
phrasal-verb

hire on

雇用或将某人带入公司
Meaning
to employ or bring someone into a company
Example
They **hired on** two new developers to expand their product team.
他们雇佣了两个新开发人员来扩展他们的产品团队。
phrasal-verb

clean out

完全清除一个地方的不需要的事物
Meaning
to completely remove unwanted things from a place
Example
Volunteers worked to **clean out** the polluted river.
志愿者们努力清理污染的河流。
idiom

right up one’s alley

完全适合某人兴趣或能力的事情
Meaning
something that suits one’s interests or abilities perfectly
Example
That cooking workshop is **right up your alley**, you should join!
这个烹饪工作坊正好符合你的兴趣，你应该加入！
idiom

Running on empty

当你没有剩余能量时继续工作或运作。
Meaning
To continue working or functioning when you have no energy left.
Example
After pulling an all-nighter, he’s **running on empty** today.
经过一整夜的熬夜，他今天完全筋疲力尽。
phrasal-verb

phase out debts

逐渐减少或消除债务
Meaning
to gradually reduce or eliminate debts
Example
The government plans to **phase out debts** over the next decade.
政府计划在下一个十年内逐渐减少债务。
phrasal-verb

lift your mood

使自己或他人感到更快乐
Meaning
to make yourself or someone feel happier
Example
Listening to uplifting music can **lift your mood** instantly.
听鼓舞人心的音乐可以瞬间提升你的心情。
idiom

war of words

争论或口头冲突
Meaning
an argument or verbal conflict
Example
The two politicians engaged in a **war of words** on TV.
两位政治家在电视上展开了一场**唇枪舌战**。
phrasal-verb

warm up to someone

开始喜欢或信任某人
Meaning
to begin to like or trust someone
Example
She slowly **warmed up to** her new classmates.
她慢慢开始喜欢上她的新同学。
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

take flak

受到强烈的批评
Meaning
to receive strong criticism
Example
The government **took flak** for its poor handling of the crisis.
政府因其对危机的处理不当而遭到了严厉的批评。
phrasal-verb

snap at

愤怒且快速地对某人说话
Meaning
to speak angrily and quickly to someone
Example
He **snapped at** me when I asked him a simple question.
当我问他一个简单的问题时，他愤怒地回应了我
phrasal-verb

expand upon

提供更多细节或进一步发展一个想法
Meaning
to provide more details or develop an idea further
Example
The CEO will **expand upon** the company’s future expansion plans.
CEO将扩展公司未来的扩展计划。
phrasal-verb

zone yourself in

深度专注于某事以忘记压力
Meaning
to focus deeply on something to forget stress
Example
I **zone myself in** on painting to relax my mind.
我专注于绘画来放松我的思维。
phrasal-verb

pass stories down

与下一代分享传统或记忆
Meaning
to share traditions or memories with the next generation
Example
Grandparents **pass stories down** during long festival evenings.
祖父母在漫长的节日晚会上**传递故事**。
phrasal-verb

stand by your word

即使困难，也要遵守承诺或义务
Meaning
to keep a promise or commitment even when it is difficult
Example
He’s the kind of person who always **stands by his word**.
他是那种总是**站在自己话语上的人**。
idiom

cut the mustard

表现得好或符合期望
Meaning
to perform well or meet expectations
Example
She didn’t **cut the mustard** in her new role.
她在新角色中没有**切黄芥末**。
phrasal-verb

carry away

变得过于兴奋或热情
Meaning
to become overly excited or enthusiastic
Example
Don’t get **carried away** with the excitement.
不要因为兴奋而**被带走**。
phrasal-verb

hand over responsibilities

将职责或控制交给别人
Meaning
to transfer duties or control to someone else
Example
He will **hand over responsibilities** to his deputy next month.
他将在下个月把责任交给他的副手。
idiom

keep the peace

维持秩序并避免冲突
Meaning
to maintain order and avoid conflict
Example
The police were called to **keep the peace** during the protest.
警方被叫来在抗议期间维持和平。
idiom

brick by brick

逐步而稳定地实现某事
Meaning
to achieve something gradually and steadily
Example
He built his business **brick by brick**.
他一点一点地建立了自己的事业。
phrasal-verb

tell off

愤怒地斥责某人
Meaning
to scold someone angrily
Example
She **told off** her son for breaking the vase.
她因打破花瓶而愤怒地斥责了她的儿子。
phrasal-verb

let through

让情感自然流动，而不抵抗它们
Meaning
to allow emotions to pass naturally without resisting them
Example
It’s okay to **let through** your sadness and then move on.
允许让你的悲伤**通过**，然后继续前进。
idiom

clean conscience

有一种感觉，你没有做错任何事情
Meaning
feeling that you have done nothing wrong
Example
He can sleep well because he has a **clean conscience**.
他可以睡得很好，因为他有一颗**干净的良心**。
idiom

Old school

拥有传统的观念或价值观；不现代
Meaning
Having traditional ideas or values; not modern
Example
My father still prefers handwritten letters; he’s really **old school**.
我父亲仍然更喜欢手写信件；他真的是老派。
idiom

narrow in

集中在更小的区域或一组选项上
Meaning
to focus on a smaller area or set of options
Example
Let’s **narrow in** on the two strongest proposals.
让我们集中在两个最强的提案上。
idiom

fill out

通过提供信息来填写表格
Meaning
to complete a form by providing information
Example
Please **fill out** this survey after the workshop.
请在研讨会后填写此调查。
idiom

chapter and verse

提供关于某事的完整和准确细节
Meaning
to provide full and exact details about something
Example
She can quote **chapter and verse** to support her argument.
她可以引用**chapter and verse**来支持她的论点。
phrasal-verb

turn into

变成不同的东西
Meaning
to become something different
Example
Over time, the small shop **turned into** a large supermarket.
随着时间的推移，小店**变成了**一个大超市。
phrasal-verb

touch on

简要提及或讨论一个话题
Meaning
to briefly mention or discuss a subject
Example
She only **touched on** the topic during her speech.
她在演讲中只是简单地提及了这个话题。
phrasal-verb

tune in

集中注意力或仔细听
Meaning
to pay attention or listen carefully
Example
Try to **tune in** when others are speaking.
当别人说话时，尽量**集中注意力**。
idiom

a cog in the machine

大型系统中的一个小而重要的部分
Meaning
a small but essential part of a large system
Example
Every engineer is **a cog in the machine** that keeps the factory running.
每个工程师都是**机器中的一颗齿轮**，帮助工厂运转。
phrasal-verb

stay on

保持连接或继续工作
Meaning
to remain connected or continue working
Example
Can you **stay on** the call until we finish the report?
你能保持在电话中直到我们完成报告吗？
phrasal-verb

shut down emotionally

停止表达或感受情感，特别是在受伤后
Meaning
to stop expressing or feeling emotions, especially after being hurt
Example
After the argument, he completely **shut down emotionally**.
争论后，他完全情感上关闭了。
phrasal-verb

get along

与某人保持良好关系
Meaning
to have a good relationship with someone
Example
I really **get along** well with my colleagues.
我真的和我的同事相处得很好。
phrasal-verb

aim toward

将努力或计划指向实现某事
Meaning
to direct efforts or plans toward achieving something
Example
Her education is **aimed toward** a career in medicine.
她的教育致力于医学事业。
idiom

Power behind the throne

对领导层有隐藏或间接影响的人或团体
Meaning
A person or group who has a hidden or indirect influence over the leadership
Example
The chief advisor is often considered the **power behind the throne**.
首席顾问通常被认为是**王位背后的权力**。
phrasal-verb

ease down

变得不那么强烈或情绪化；逐渐放松
Meaning
to become less intense or emotional; to relax gradually
Example
After the stressful week, things started to **ease down**.
在压力大的这一周后，事情开始逐渐放松。
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。
phrasal-verb

ship out to

将商品发送到目的地
Meaning
to send goods to a destination
Example
The factory **ships out to** regional stores every Thursday.
工厂每周四将货物发往区域商店。
idiom

let someone off the hook

释放某人免受责任或惩罚
Meaning
to release someone from blame or punishment
Example
The judge decided to **let him off the hook** with a warning.
法官决定放过他，只给了警告。
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

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。
idiom

garbage in, garbage out

错误的输入数据将产生错误的结果
Meaning
flawed input data will produce flawed results
Example
If the training data is poor, the AI model will fail — **garbage in, garbage out**.
如果训练数据不佳，人工智能模型将失败——**garbage in, garbage out**。
phrasal-verb

break free from

摆脱控制或限制你的事物
Meaning
to escape from something that controls or limits you
Example
She wanted to **break free from** negative thoughts and focus on her goals.
她想要摆脱消极的想法，并专注于自己的目标。
idiom

a couch potato

一个花很多时间坐着看电视的人
Meaning
a person who spends a lot of time sitting and watching TV
Example
He’s become **a couch potato** since he lost his job.
他自从失去工作后，变成了**一块沙发土豆**。
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

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。
phrasal-verb

hash out with

通过彻底讨论解决细节
Meaning
to resolve details through thorough discussion
Example
We **hash out with** the partners before signing the merger paperwork.
在签署合并文件之前，我们与合作伙伴讨论细节。
phrasal-verb

break into innovation

在新的领域或市场开始创新
Meaning
to start innovating in a new field or market
Example
The company is trying to **break into innovation** by investing in AI research.
公司通过投资人工智能研究，尝试进入创新领域。
phrasal-verb

swot up on

在事件前集中的学习某些东西
Meaning
to study something intensively before an event
Example
I **swot up on** statistics before every data review.
我在每次数据审查前都会**swot up on**统计学。
phrasal-verb

stay grounded

保持谦虚和情绪平衡
Meaning
to remain humble and emotionally balanced
Example
No matter how successful you become, always **stay grounded**.
无论你变得多成功，始终保持谦虚和情绪平衡。
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。
phrasal-verb

choke up

变得情绪化，无法说话
Meaning
to become emotional and unable to speak
Example
He **choked up** while giving his farewell speech.
他在做告别演讲时**哽咽**了。
idiom

mind over matter

用意志力克服身体问题
Meaning
the use of willpower to overcome physical problems
Example
Running that marathon was pure **mind over matter**.
跑完那场马拉松完全是**意志战胜身体**。
phrasal-verb

walk away

平静地离开某个情况或地方; 走路离开
Meaning
to leave a situation or place calmly; to move away by walking
Example
She **walked away** without saying a word.
她没说一句话就离开了。
phrasal-verb

listen in on

偷偷听某人的谈话
Meaning
to secretly hear someone’s conversation
Example
He was caught **listening in on** their private discussion.
他被抓到偷偷听他们的私人讨论。
phrasal-verb

pass out

昏迷
Meaning
to lose consciousness
Example
He **passed out** from exhaustion after the marathon.
他在马拉松后因疲劳而昏迷。
idiom

sift through

仔细检查大量信息或物品
Meaning
to examine a large amount of information or items carefully
Example
I spent the afternoon **sifting through** old emails for the missing file.
我花了整个下午**筛选**旧邮件以寻找丢失的文件。
idiom

step on it

加快速度；快点
Meaning
to go faster; to hurry up
Example
We’re late — **step on it**!
我们迟到了——快点！
phrasal-verb

feel torn about

对选择或决定感到矛盾或后悔
Meaning
to feel conflicted or regretful about a choice or decision
Example
I **feel torn about** leaving my hometown for work.
我对离开家乡去工作感到很矛盾。
idiom

veer off

突然改变方向
Meaning
to suddenly change direction
Example
The conversation **veered off** into weekend plans.
谈话**突然转向**了周末的计划。
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。
phrasal-verb

go after

追求或尝试得到某物；追赶某人
Meaning
to pursue or try to get something; to chase someone
Example
He decided to **go after** his dream of becoming a doctor.
他决定追求成为医生的梦想。
idiom

fake news

作为新闻呈现的虚假或误导信息
Meaning
false or misleading information presented as news
Example
Be careful not to believe in **fake news** spread on social media.
小心不要相信社交媒体上传播的**假新闻**。
phrasal-verb

dip into

将你的部分储蓄用于某事
Meaning
to use part of your savings for something
Example
I had to **dip into** my savings to cover the repair costs.
我不得不动用我的储蓄来支付修理费用。
phrasal-verb

speak up about

诚实地谈论你做错的事情
Meaning
to talk honestly about something you did wrong
Example
He decided to **speak up about** his past mistakes.
他决定**诚实地谈论**他过去的错误。
idiom

when one door closes, another opens

当一个机会失去时，另一个机会出现
Meaning
when one opportunity is lost, another appears
Example
Don’t be upset about the rejection—**when one door closes, another opens**.
不要因拒绝而沮丧——当一扇门关闭时，另一扇门打开。
phrasal-verb

get by

靠你拥有的活下去或生存
Meaning
to manage to live or survive with what you have
Example
Even with little money, our family managed to **get by** happily.
即使钱很少，我们家也设法幸福地**get by**。
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

A golden opportunity

做某事的一个非常好的机会
Meaning
a very good chance to do something
Example
Getting this scholarship is **a golden opportunity** for you.
获得这个奖学金对你来说是**一个黄金机会**。
phrasal-verb

return kindness with

以善意回报善意
Meaning
to respond to kindness by doing something nice in return
Example
He **returned kindness with** a thoughtful gift.
他通过一份深思熟虑的礼物回应了善意。
phrasal-verb

sum up ideas

简要表达或总结主要思想
Meaning
to briefly express or summarize main thoughts
Example
At the end of the class, the teacher asked students to **sum up ideas** from the discussion.
在课堂结束时，老师要求学生总结讨论中的主要思想。
phrasal-verb

bounce back after

迅速从失败或挫折中恢复过来
Meaning
to recover from failure or setback quickly
Example
He managed to **bounce back after** losing his job.
他失去工作后成功迅速恢复了过来。
idiom

write one’s own story

塑造自己的人生或命运
Meaning
to shape one’s own destiny or path in life
Example
She chose to **write her own story** instead of following tradition.
她选择了**写自己的故事**，而不是遵循传统。
idiom

blue sky thinking

创造性和富有远见的思维，忽视实际限制
Meaning
creative and visionary thinking that ignores practical limitations
Example
Let's engage in some **blue sky thinking** to come up with innovative solutions.
让我们进行一些**蓝天思维**，提出创新的解决方案。
phrasal-verb

shape up

改善身体状况; 变得更健康
Meaning
to improve physical condition; to get fit
Example
He’s been going to the gym regularly to **shape up** before summer.
他正在定期去健身房以便在夏天之前保持好身材。
phrasal-verb

get into shape

通过锻炼变得身体健康和合适
Meaning
to become physically fit and healthy through exercise
Example
He started running every morning to **get into shape**.
他开始每天早晨跑步来**保持健康**。
idiom

keep one's word

做自己承诺做的事情
Meaning
to do what one has promised to do
Example
He always **keeps his word**, no matter what.
他总是遵守诺言，无论发生什么。
idiom

Culture shock

遇到不同文化时的困惑感
Meaning
A feeling of confusion when encountering a different culture
Example
Moving to Japan gave her a bit of **culture shock** at first.
搬到日本让她刚开始时感到有点 **文化冲击**。
idiom

walk on air

感到非常高兴
Meaning
to feel very happy
Example
She was **walking on air** after hearing his message.
听到他的消息后，她**高兴得飘飘然**。
idiom

fail at something

做某事失败
Meaning
to not succeed in doing something
Example
He tried to fix the car, but he **failed at something**.
他试图修理汽车，但他在某些事情上失败了。
idiom

trust issues

由于过去的经历，难以信任他人
Meaning
difficulty trusting others due to past experiences
Example
He has **trust issues** after being betrayed once.
他在被背叛一次后有了**信任问题**。
phrasal-verb

lay aside savings

为了未来的使用而储蓄钱
Meaning
to save money for future use
Example
Families are advised to **lay aside savings** during good times.
建议家庭在好时光时**储蓄金钱**。
idiom

beyond reasonable doubt

没有任何逻辑上的不确定性
Meaning
without any logical uncertainty
Example
The jury found him guilty **beyond reasonable doubt**.
陪审团认定他毫无合理怀疑地有罪。
phrasal-verb

budget for

计划为某事需要多少钱
Meaning
to plan how much money will be needed for something
Example
We need to **budget for** our new marketing campaign.
我们需要为我们的新营销活动制定预算。
idiom

in my opinion

用来表达某人所想或所信的意思
Meaning
used to express what one thinks or believes
Example
**In my opinion**, this movie is too long.
在我看来，这部电影太长了。
idiom

in the mood

有做某事的想法或有特定的态度
Meaning
feeling like doing something or having a particular attitude
Example
I'm **in the mood** for some chocolate cake today.
今天我想吃巧克力蛋糕。
idiom

take heart

感到鼓舞或更自信
Meaning
to feel encouraged or more confident
Example
You should **take heart**; things will get better soon.
你应该**鼓起勇气**; 很快事情会变得更好。
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 the wire

接近最后可能的时刻，接近截止日期
Meaning
to approach the last possible moment before a deadline
Example
The project went **down to the wire**, but we finished on time.
这个项目一直 **到最后一刻**，但我们准时完成了。
phrasal-verb

check in after

在某事发生后与某人跟进
Meaning
to follow up with someone once something has happened
Example
Please **check in after** the appointment so I know how it went.
请在预约后跟进，以便我知道它是如何进行的
idiom

shake like a leaf

因害怕或紧张而颤抖
Meaning
to tremble with fear or nervousness
Example
She was **shaking like a leaf** before her first flight.
她在第一次飞行前**像叶子一样发抖**。
idiom

out of the box thinking

以新颖、创新或创造性的方式思考
Meaning
thinking in a new, innovative, or creative way
Example
The solution requires **out of the box thinking** from all team members.
该解决方案需要所有团队成员进行**跳出思维定式的思考**。
idiom

take the spotlight

成为注意力或钦佩的中心
Meaning
to be the center of attention or admiration
Example
The young actress **took the spotlight** at the award ceremony.
年轻女演员在颁奖典礼上**成为了焦点**。
phrasal-verb

capitalize on opportunities

利用机会获取利润
Meaning
to take advantage of favorable situations to gain profit
Example
Smart investors always **capitalize on** opportunities in the market.
聪明的投资者总是利用市场上的机会。
idiom

keep in touch

与某人保持沟通
Meaning
to maintain communication with someone
Example
Even after moving away, we **keep in touch** regularly.
即使搬走了，我们仍然保持定期**联系**。
idiom

go under the knife

动手术
Meaning
to have a surgical operation
Example
He had to **go under the knife** to fix his knee injury.
他不得不动手术来修复膝盖受伤。
phrasal-verb

eat out

去餐厅吃饭，而不是在家吃饭
Meaning
to eat at a restaurant instead of at home
Example
We decided to **eat out** tonight.
我们决定今晚去餐厅吃饭。
idiom

cover your bases

为所有可能的结果做好准备；保持谨慎
Meaning
to prepare for all possible outcomes; to be cautious
Example
Make sure you **cover your bases** before presenting the report.
在提交报告之前，确保你已经**覆盖了你的基础**。
phrasal-verb

point around

展示多个方向或地点
Meaning
to show multiple directions or places
Example
The guide **pointed around** the historical landmarks.
导游**指向周围**的历史地标。
idiom

feather in one’s cap

值得骄傲的成就
Meaning
an achievement to be proud of
Example
Winning the national award was a real **feather in his cap**.
赢得国家奖是他真正值得骄傲的成就。
idiom

plan B

第一个计划失败时的备用计划
Meaning
an alternative plan if the first one fails
Example
We should have a **plan B** in case things go wrong.
我们应该有一个计划B，以防事情出错。
idiom

throw a wrench in the works

制造一个阻止进展的问题
Meaning
to cause a problem that stops progress
Example
The last-minute design change **threw a wrench in the works**.
最后一分钟的设计更改**扔了一把扳手进工作中**。
idiom

Wear your heart on your sleeve

公开展示你的情感或感觉。
Meaning
To openly show your emotions or feelings.
Example
He **wears his heart on his sleeve**, so you always know how he feels.
他**把心思表露无遗**，所以你总是知道他怎么想。
idiom

take someone's breath away

用美丽或魅力给某人留下深刻印象或惊讶
Meaning
to impress or amaze someone with beauty or charm
Example
Her beauty **took his breath away**.
她的美丽**让他目瞪口呆**。
idiom

overfitting

当一个模型在训练数据上表现良好，但在未见过的数据上表现差
Meaning
when a model performs well on training data but poorly on unseen data
Example
The model seems to be **overfitting** because it performs well on the training data but poorly on the test set.
模型似乎在**过拟合**，因为它在训练数据上表现良好，但在测试集上表现差。