to have a clean bill of health
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idiom

to have a clean bill of health

被医生宣布身体健康
Meaning
to be declared healthy by a doctor
Example
After the checkup, she got **a clean bill of health**.
体检后，她被医生宣布身体健康。
idiom

butterflies in your stomach

感到紧张或心理不安
Meaning
feeling nervous or anxious
Example
I always get **butterflies in my stomach** before a big presentation.
我在大场合前总是感到紧张。
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

hold down

将某物保持在低水平
Meaning
to keep something at a low level
Example
It’s tough to **hold down** rent costs in this city.
在这个城市，控制租金成本非常困难。
idiom

chatterbox

一个说很多话的人
Meaning
a person who talks a lot
Example
My little sister is a real **chatterbox**.
我的小妹妹是个真正的喋喋不休的人。
idiom

truth be told

诚实地承认一些事情
Meaning
to admit something honestly
Example
**Truth be told**, I don’t really like this movie.
老实说，我并不太喜欢这部电影。
idiom

Frankenstein’s monster

一个反抗其创造者的创造物。
Meaning
A creation that turns against its creator.
Example
Social media became a **Frankenstein’s monster** for its inventors.
社交媒体成了它的发明者的弗兰肯斯坦怪物。
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。
idiom

hold your fire

延迟采取行动或回应
Meaning
to delay taking action or making a response
Example
He told his team to **hold their fire** until he gave the signal.
他说他的团队要等到他发出信号时再**暂停开火**。
idiom

kick the bucket

死（非正式）
Meaning
to die (informal)
Example
He finally **kicked the bucket** after a long illness.
他终于在长时间的疾病后**去世了**。
idiom

streamline the process

通过简化或消除不必要的步骤，使过程更加高效和有效
Meaning
to make a process more efficient and effective by simplifying or eliminating unnecessary steps
Example
We need to **streamline the process** of content creation to save time.
我们需要**streamline the process**内容创作过程，以节省时间。
idiom

upgrade your mindset

让自己的思维方式适应现代的变化或创新
Meaning
to adapt one’s thinking for modern changes or innovation
Example
In the age of AI, it’s vital to **upgrade your mindset**.
在人工智能时代，**升级你的思维方式**非常重要。
idiom

in the driver's seat

掌控局势
Meaning
to be in control of a situation
Example
After the merger, she was **in the driver’s seat** of the company.
合并后，她掌控了公司的局势。
idiom

A flash of inspiration

突如其来的创意
Meaning
A sudden creative idea
Example
He had **a flash of inspiration** while working late at night.
他在深夜工作时有了**灵感的闪现**。
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

machine learning curve

通过经验和学习逐步改进的过程
Meaning
the process of gradual improvement through experience and learning
Example
The new developers are still on their **machine learning curve**.
新开发人员仍然在他们的**机器学习曲线**上。
idiom

hold onto

保留某物的所有权
Meaning
to keep possession of something
Example
Hold onto your receipts until the refund clears.
保留你的收据，直到退款清算。
idiom

meet halfway

通过接受每个人想要的部分来达成妥协
Meaning
to compromise by agreeing to part of what each person wants
Example
We decided to **meet halfway** and agree on a fair price.
我们决定**妥协**并达成一个公平的价格。
idiom

moonlight as

做第二份工作，特别是秘密地或兼职工作
Meaning
to work at a second job, especially secretly or part-time
Example
She decided to **moonlight as** a freelance writer to make extra money.
她决定 **moonlight as** 自由撰稿人，以赚取额外的收入。
idiom

cream of the crop

一组中的最佳；最优选择
Meaning
the best of a group; the finest selection
Example
These students are the **cream of the crop**.
这些学生是**最棒的**。
idiom

phishing

一种通过使用欺骗性的电子邮件、网站或其他通信方式来收集个人信息的方法。
Meaning
A method of trying to gather personal information using deceptive emails, websites, or other communications.
Example
He received an email that looked legitimate, but it was actually a **phishing** attempt.
他收到了一封看起来合法的电子邮件，但其实这是一次**网络钓鱼**尝试。
idiom

sing the same tune

与他人持有相同的观点
Meaning
to have the same opinion as someone else
Example
Both managers **sing the same tune** about company policy.
两位经理对公司政策意见一致。
idiom

use up

完全消耗某物
Meaning
to consume something completely
Example
We’ve **used up** all the printer paper already.
我们已经用完了所有的打印纸。
idiom

plow ahead

尽管遇到困难，仍继续做某事
Meaning
to continue doing something despite difficulties
Example
Even with setbacks, they decided to **plow ahead** with the project.
即使遇到挫折，他们决定继续推进项目。
idiom

my bad

一种随意承认小错误的方式
Meaning
a casual way to admit a small mistake
Example
Oh, I forgot to bring your book — **my bad**!
哦，我忘了带你的书 — 我的错！
B1 idiom

fish out of water

感到不舒服或不合时宜的人
Meaning
Someone who feels uncomfortable or out of place
Example
At the formal party, the casual dresser felt like a fish out of water.
在正式的聚会上，那个穿着随意的人感到格格不入。
idiom

a weight on your shoulders

沉重的负担或责任，造成压力
Meaning
a heavy burden or responsibility causing stress
Example
Running the company alone is **a weight on his shoulders**.
独自管理公司是 **他肩上的重担**。
idiom

robotic precision

极其准确和一致的表现
Meaning
extremely accurate and consistent performance
Example
She performs her tasks with **robotic precision**.
她以机器人般的精确度完成她的任务。
idiom

Don’t give up the ship

不要放弃；即使在困难的情况下也要继续努力。
Meaning
Don’t surrender; keep trying even in difficult circumstances.
Example
The battle isn't over yet, so don’t **give up the ship**.
战斗还没有结束，所以不要 **放弃这艘船**。
idiom

stress out

因为压力而变得非常焦虑或紧张
Meaning
to become very anxious or nervous due to pressure
Example
She tends to **stress out** before exams.
她在考试前往往会非常紧张。
idiom

keep it under wraps

保密某事
Meaning
to keep something secret
Example
We’re trying to **keep it under wraps** until the official announcement.
我们正在努力保密，直到正式公告。
idiom

point the finger

指责或怪罪某人
Meaning
to accuse or blame someone
Example
Don’t **point the finger** until you have all the facts.
在你没有所有事实之前，不要指责别人。
idiom

black sheep

被认为是团体或家庭耻辱的人
Meaning
a person who is considered a disgrace to a group or family
Example
He is the **black sheep** of the family.
他是家里的**黑羊**。
idiom

lay the blame on

指责某人对某件坏事负责
Meaning
to accuse someone of being responsible for something bad.
Example
They tried to **lay the blame on** the new employee.
他们试图将责任归咎于新员工。
idiom

second childhood

年老时，开始再次像孩子一样行为的时期
Meaning
the time in old age when a person starts behaving like a child again
Example
After retirement, he entered his **second childhood**.
退休后，他进入了他的**第二次童年**。
idiom

pivot to success

为了取得成功而战略性地改变方向
Meaning
to change direction strategically to achieve success
Example
The company had to **pivot to success** after its first product failed.
公司在第一个产品失败后，不得不**为了取得成功而改变方向**。
idiom

the life of the party

一个充满活力、娱乐性且成为社交聚会焦点的人
Meaning
a person who is lively, entertaining, and the center of attention at social gatherings
Example
Everyone loves Tom because he’s always **the life of the party**.
每个人都喜欢汤姆，因为他总是聚会的灵魂。
idiom

burn your boats

承诺采取行动而没有退路
Meaning
to commit yourself to a course of action without a way back
Example
He **burned his boats** when he quit his job to start a business.
当他辞去工作并开始创业时，他**烧掉了自己的船**。
idiom

change your mind

决定与之前不同的事情
Meaning
to decide something different from before
Example
She **changed her mind** about going to the party.
她**改变了主意**不去参加聚会。
idiom

Eureka moment

突然发现或意识到的时刻
Meaning
a sudden moment of discovery or realization
Example
She had a **Eureka moment** when she found the solution to the problem.
当她找到问题的解决方案时，她有一个 **尤里卡 时刻**。
idiom

a chain is only as strong as its weakest link

一个团体的力量取决于最弱的成员
Meaning
the strength of a group depends on the weakest member
Example
In any team, **a chain is only as strong as its weakest link**.
在任何团队中，**链条的强度取决于最弱的环节**。
idiom

pass sentence

在法庭上宣布惩罚
Meaning
to announce a punishment in court
Example
The judge will **pass sentence** next week.
法官将在下周**通过判决**。
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

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

daydream about

在清醒时幻想愉快的事情
Meaning
to imagine pleasant things while awake
Example
He often **daydreams about** living on a tropical island.
他常常幻想住在热带岛屿上。
idiom

get a grip on yourself

控制你的情绪并保持冷静
Meaning
to control your emotions and behave calmly
Example
You need to **get a grip on yourself** before talking to your boss.
在和老板说话之前，你需要冷静下来。
idiom

scared stiff

感到极度害怕
Meaning
to be extremely frightened
Example
I was **scared stiff** when I heard strange noises at night.
我听到夜晚的奇怪声音时吓坏了。
idiom

blow someone away

让某人大为震惊或印象深刻
Meaning
to impress or surprise someone greatly
Example
Her performance really **blew me away**.
她的表演真的让我震惊。
idiom

Buy low, sell high

购买商品或资产并以利润出售的策略。
Meaning
The strategy of buying goods or assets cheaply and selling them for a profit.
Example
Every investor dreams to **buy low, sell high**.
每个投资者都梦想着**低买高卖**。
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

buckle down

开始认真工作
Meaning
to start working seriously
Example
If you want to pass the exam, you’d better **buckle down** and study.
如果你想通过考试，你最好**buckle down**并开始学习。
idiom

frame of mind

一个人的情绪或心理状态
Meaning
a person's mood or mental state
Example
He’s not in the right **frame of mind** to make decisions.
他现在不在做决定的正确心理状态下。
idiom

Give and take

互相妥协或合作。
Meaning
Mutual compromise or cooperation.
Example
Good teamwork is all about **give and take**.
良好的团队合作就是互相给予和接受。
idiom

make friends with

和某人交朋友。
Meaning
To become friendly with someone.
Example
It’s easy to **make friends with** kind people.
和善良的人交朋友很容易。
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

the right thing to do

采取最道德或道德的行动
Meaning
the most ethical or moral action to take
Example
Apologizing was **the right thing to do**.
道歉是**正确的做法**。
idiom

do your own thing

按照自己的意愿去做，不用担心别人怎么想
Meaning
to do what you want without worrying about what others think
Example
He prefers to **do his own thing** and not depend on anyone.
他喜欢按自己的方式行事，不依赖任何人。
idiom

weather the storm

度过困难的局面
Meaning
to survive a difficult situation
Example
Our company managed to **weather the storm** during the crisis.
我们的公司在危机中成功度过了风暴。
idiom

written in the stars

注定会发生；命运注定
Meaning
destined to happen; fated
Example
They believe their meeting was **written in the stars**.
他们相信他们的相遇是**命中注定的**。
idiom

engagement rate

衡量人们与在线内容互动的活跃程度
Meaning
a measure of how actively people interact with online content
Example
Our **engagement rate** doubled after using video posts.
使用视频帖子后，我们的互动率翻倍了。
idiom

play it straight

诚实并直接
Meaning
to be honest and direct
Example
Just **play it straight** and tell them what happened.
只需诚实并告诉他们发生了什么。
idiom

by the skin of your teeth

勉强完成某事
Meaning
to just barely manage to do something
Example
He passed the exam **by the skin of his teeth**.
他勉强通过了考试。
idiom

put in a good word for someone

为某人说一些积极的话来帮助他
Meaning
to say something positive about someone in order to help them
Example
I will **put in a good word for you** with the manager.
我会为你向经理说几句好话。
idiom

more luck than sense

因为运气而成功，而不是因为智慧
Meaning
successful because of luck, not intelligence
Example
He survived the accident—he’s got **more luck than sense**.
他在事故中幸存下来——他有 **更多的运气而非智慧**。
idiom

A Catch-22

一种因为互相矛盾的条件而无法摆脱的困境。
Meaning
A dilemma or difficult situation from which there is no escape because of mutually conflicting conditions.
Example
It’s a **Catch-22**—you can’t get a job without experience, but you can’t get experience without a job.
这是一个‘凯奇-22’——没有经验找不到工作，没有工作也得不到经验。
idiom

pull rank

利用自己的权力获得优势
Meaning
to use one's authority to gain an advantage
Example
He **pulled rank** to get the last seat on the plane.
他利用职权得到了飞机上的最后一个座位。
idiom

push yourself to the limit

即使困难也要尽最大努力
Meaning
to make maximum effort even when it’s tough
Example
Athletes **push themselves to the limit** to achieve their dreams.
运动员为了实现他们的梦想，将自己推向极限。
idiom

You can do it

要有信心; 相信自己的能力。
Meaning
Have confidence; believe in your ability.
Example
Don’t doubt yourself, **you can do it**!
不要怀疑自己，你可以做到！
idiom

social media influencer

一个通过社交媒体平台有能力影响他人的人
Meaning
a person who has the power to influence others through social media platforms
Example
She became a **social media influencer** after her makeup tutorials went viral.
她成为了一个**社交媒体影响者**，在她的化妆教程变得病毒式传播之后。
idiom

get hooked on

对某事上瘾或非常感兴趣
Meaning
to become addicted or very interested in something
Example
He **got hooked on** playing chess after just one game.
他在玩了一局棋后就沉迷于国际象棋。
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

Freudian slip

无意中犯的错误，暴露出一个人的真实想法或感受。
Meaning
An unintentional mistake that reveals one's true thoughts or feelings.
Example
He made a **Freudian slip** when he called his boss ‘mom’.
他称他的老板为‘妈妈’时犯了一个**弗洛伊德失言**。
idiom

have a falling out

与某人发生争执或争斗
Meaning
to have a disagreement or fight with someone
Example
They **had a falling out** over money issues.
他们因钱的问题而发生了争执。
idiom

swear on one’s life

做出一个非常严肃的承诺，证明某事是真实的
Meaning
to make a very serious promise that something is true
Example
I **swear on my life**, I didn’t do it!
我**发誓以我的生命**，我没有做！
idiom

move forward

在延迟或挑战后继续取得进展
Meaning
to continue with progress after a delay or challenge
Example
After reviewing the feedback, we can **move forward** with the design.
在审查反馈后，我们可以**继续前进**进行设计。
idiom

nuts and bolts

某事的基本实际细节
Meaning
the basic practical details of something
Example
Let's focus on the **nuts and bolts** of this new project.
让我们专注于这个新项目的 **nuts and bolts**。
idiom

predictive analytics

使用数据和统计算法来预测未来的结果
Meaning
using data and statistical algorithms to forecast future outcomes
Example
With **predictive analytics**, we can forecast market trends with high accuracy.
通过**预测分析**，我们可以高精度地预测市场趋势。
idiom

work-life harmony

工作与个人生活之间的平衡与和谐关系
Meaning
a balanced and peaceful relationship between work and personal life
Example
She believes in maintaining **work-life harmony**.
她相信保持工作和个人生活的平衡。
idiom

make ends meet

赚取足够的钱以维持生活
Meaning
to earn enough money to live on
Example
He works two jobs to **make ends meet**.
他做两份工作以维持生计。
idiom

to machine learn

在没有人工干预的情况下自动从数据中学习
Meaning
to learn automatically from data without human intervention
Example
The system continues **to machine learn** as more data is fed into it.
随着更多数据的输入，系统继续**机器学习**。
idiom

stand by someone

保持忠诚或支持
Meaning
to remain loyal or supportive
Example
True friends **stand by** each other in hard times.
真正的朋友在困难时期彼此支持。
idiom

home sweet home

用来表达回家时的幸福感
Meaning
used to express happiness upon returning home
Example
After a long trip, it feels so good to be **home sweet home**.
长时间的旅行后，回到家的感觉真好。
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

media circus

过度或耸人听闻的媒体报道
Meaning
an excessive or sensationalized media coverage
Example
The trial turned into a **media circus**.
审判变成了一个**媒体马戏团**。
idiom

bite someone’s head off

无缘无故地生气对待某人
Meaning
to speak angrily to someone without reason
Example
I just asked a question, no need to **bite my head off**!
我只是问了一个问题，没必要**对我发火**!
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

A Pandora’s box

无尽麻烦或复杂问题的来源。
Meaning
A source of endless complications or trouble.
Example
Discussing that topic will open a **Pandora’s box** of complaints.
讨论那个话题会打开一个潘多拉的盒子，引发很多抱怨。
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

back on one’s feet

恢复并再次变得健康
Meaning
to recover and be healthy again
Example
After a few days of rest, he’s finally **back on his feet**.
休息几天后，他终于**恢复过来**。
idiom

Pay the piper

为自己的行为或决定承担后果。
Meaning
To face the consequences of one’s actions or decisions.
Example
After years of overspending, the country had to **pay the piper**.
经过多年的过度开支，这个国家不得不承担后果。
idiom

stand trial

出庭应对刑事指控
Meaning
to appear in court to answer criminal charges
Example
He will **stand trial** for fraud next month.
他将于下个月因诈骗出庭受审。
idiom

log off

从计算机系统断开连接
Meaning
to disconnect from a computer system
Example
Don’t forget to **log off** before you leave the office.
离开办公室前，别忘了登出。
idiom

run like clockwork

顺利高效地运作
Meaning
to operate smoothly and efficiently
Example
The production line **runs like clockwork** these days.
生产线 **像时钟一样运作** 这些天。
idiom

gather up

把东西收集起来
Meaning
to collect things together
Example
Let’s **gather up** the supplies before the workshop.
我们在研讨会前把用品收集起来吧。
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

throw good money after bad

在已经失败的事情上浪费更多的钱
Meaning
to waste more money on something that has already failed
Example
Don’t **throw good money after bad** on that failing project.
不要在那个失败的项目上**砸更多的钱**。
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

rant and rave

大声喊叫并抱怨
Meaning
to shout and complain loudly
Example
He was **ranting and raving** about the bad service.
他正在 **大声喊叫和抱怨** 糟糕的服务。
idiom

put first things first

先处理最重要的事情
Meaning
to focus on the most important things before others
Example
When managing time, always **put first things first**.
在管理时间时，始终要先处理最重要的事情。
idiom

take the rap

因某事受到惩罚或责备，通常不公平。
Meaning
to be punished or blamed for something, often unfairly.
Example
He **took the rap** for the team’s poor performance.
他为团队的糟糕表现承担了责任。
idiom

take a load off

坐下来放松，尤其是在辛苦工作后
Meaning
to sit down and relax, especially after working hard
Example
Come in and **take a load off**.
进来，**放松一下**。
idiom

blow your own trumpet

吹嘘或炫耀自己的成就
Meaning
to boast or brag about your achievements
Example
He never stops **blowing his own trumpet** about his success.
他从不停止**吹嘘自己的成功**。
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

go green

采取环保的生活方式
Meaning
to adopt an environmentally friendly lifestyle
Example
Many companies are trying to **go green** by using renewable energy sources.
许多公司正试图通过使用可再生能源来**go green**。
idiom

to push the envelope

超越常规的限制；创新
Meaning
to go beyond the usual limits; to innovate
Example
In the world of AI, companies must **push the envelope** to stay competitive.
在人工智能的世界里，企业必须**突破极限**才能保持竞争力。
idiom

tough luck

对某人不幸的同情表达
Meaning
expression of sympathy for someone’s misfortune
Example
Didn’t get the job? **Tough luck**!
没得到工作？真倒霉！
idiom

crack the books

打开书本并开始学习
Meaning
to open your books and begin studying
Example
It's time to **crack the books** and prepare for finals.
是时候打开书本并为期末考试做准备。
idiom

peel off

去除某物，尤其是层，从表面
Meaning
to remove something, especially a layer, from a surface
Example
**Peel off** the label before recycling the jar.
在回收玻璃瓶之前，先撕掉标签。
idiom

answer the call

回应责任或机会
Meaning
to respond to a responsibility or opportunity
Example
He was ready to **answer the call** and take charge of the project.
他准备好**回应挑战**并接管该项目。
idiom

get in touch

取得联系
Meaning
to contact or communicate with someone
Example
I’ll **get in touch** with you tomorrow.
我明天会联系你。
idiom

three sheets to the wind

非常醉或中毒。
Meaning
Very drunk or intoxicated.
Example
After the party, he was **three sheets to the wind**.
聚会后，他**非常醉**。
idiom

have a crush on

对某人产生兴趣
Meaning
to be attracted to someone
Example
I **had a crush on** my classmate in college.
我曾经迷恋过大学的同班同学。
idiom

justice delayed is justice denied

如果法律救济可用但未及时提供，就等同于没有救济
Meaning
if legal redress is available but not delivered in time, it is as good as having none
Example
Many believe that **justice delayed is justice denied** in this country.
许多人相信在这个国家，**延迟的正义就是被否定的正义**。
idiom

a wake-up call

一个让人意识到需要改变的事件
Meaning
an event that makes someone realize they need to change
Example
Losing his job was a **wake-up call** for him.
失业对他来说是一个警钟。
idiom

it's a piece of cake

这很容易
Meaning
it's very easy
Example
The exam was **a piece of cake**.
考试很容易。
idiom

throw someone under the bus

为了自保而背叛或牺牲某人
Meaning
to betray or sacrifice someone to save yourself
Example
He **threw his colleague under the bus** to avoid getting fired.
他为了避免被解雇，**出卖了同事**。
idiom

blow hot and cold

不断改变你的态度或情绪
Meaning
to keep changing your attitude or mood
Example
He’s **blowing hot and cold** about the new project.
他对这个新项目态度不断变化。
idiom

learn by heart

背诵
Meaning
to memorize something perfectly
Example
He **learned the poem by heart** for the recital.
他为朗诵背诵了诗歌。
idiom

train a model

使用数据训练一个人工智能模型，以进行预测或做出决策
Meaning
to teach an AI model using data to make predictions or decisions
Example
We need to **train a model** on the new dataset before running predictions.
我们需要在新数据集上**训练一个模型**，然后再进行预测。
idiom

mind-blowing

对某事完全厌倦或恼火
Meaning
extremely surprising or amazing
Example
The view from the mountain was **mind-blowing**.
我厌倦了听他的借口。
idiom

head out

离开前往目的地
Meaning
to leave for a destination
Example
Let’s **head out** before the traffic gets heavy.
让我们**离开**，趁交通还不繁忙。