reinvent the wheel
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idiom

reinvent the wheel

浪费时间创造已经存在的东西
Meaning
to waste time creating something that already exists
Example
Don’t **reinvent the wheel**; use the existing design.
不要**重新发明轮子**; 使用现有设计。
idiom

tomorrow is another day

你可以明天重新开始
Meaning
you can start fresh again tomorrow
Example
Don’t worry about your mistakes, **tomorrow is another day**.
别担心你的错误，明天是新的一天。
idiom

die of envy

因嫉妒而死
Meaning
to be extremely jealous
Example
He’ll **die of envy** when he sees your new car.
当他看到你的新车时，他会因嫉妒而死。
idiom

make a name for yourself

在某个领域中闯出名声
Meaning
to become well-known or successful in a particular field
Example
She **made a name for herself** in the world of fashion design.
她在时装设计界闯出了名声。
idiom

teamwork makes the dream work

合作会导致成功
Meaning
working together leads to success
Example
We can accomplish so much if we cooperate, because **teamwork makes the dream work**.
如果我们合作，我们可以实现很多目标，因为**团队合作让梦想成真**。
idiom

bursting with joy

充满幸福和兴奋
Meaning
full of happiness and excitement
Example
The children were **bursting with joy** on Christmas morning.
孩子们在圣诞早晨充满了喜悦。
idiom

go for broke

冒一切风险去取得成功
Meaning
to risk everything to achieve success
Example
They decided to **go for broke** and launch their new product.
他们决定冒一切风险推出他们的新产品。
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

out of the frying pan into the fire

从糟糕的情况进入更糟糕的情况
Meaning
to go from a bad situation to a worse one
Example
Leaving that job was like jumping **out of the frying pan into the fire**.
离开那份工作就像是跳**出火坑进火海**。
idiom

play it by ear

根据情况发展决定或行动
Meaning
to decide or act as the situation develops
Example
We’ll **play it by ear** and see what happens.
我们将随情况而定，看看会发生什么。
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

new blood

新的人带来新鲜的想法
Meaning
new people who bring fresh ideas
Example
The company needs **new blood** to stay competitive.
公司需要**新的人**来保持竞争力。
idiom

a rolling stone gathers no moss

一个不断前进和探索的人避免了无聊或停滞
Meaning
a person who keeps moving and exploring avoids boredom or stagnation
Example
**A rolling stone gathers no moss**, and he’s always on the move.
滚动的石头不会长苔藓，他总是在移动。
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。
idiom

sit on the fence

避免做出决定或选择
Meaning
to avoid making a decision or choice
Example
You can't **sit on the fence** any longer, you need to choose a side.
你不能再 **保持中立** 了，你需要选择一方。
idiom

carry the can

接受责任或指责，通常是不公平的。
Meaning
to accept responsibility or blame, often unfairly.
Example
She was left to **carry the can** after her manager left.
经理离开后，她不得不 **承担责任**。
idiom

on background

提供给记者的信息，无法归属来源
Meaning
information given to a journalist that cannot be attributed to the source
Example
The official spoke **on background** about the new policy.
官方在**on background**谈论新政策。
idiom

light the fire

激励或鼓舞人们充满热情地行动
Meaning
to inspire or motivate people to act passionately
Example
Her speech really **lit the fire** in the employees’ hearts.
她的演讲真正点燃了员工们心中的火焰。
idiom

ahead of the curve

比别人更先进或创新
Meaning
to be more advanced or innovative than others
Example
Their company is **ahead of the curve** in AI development.
他们的公司在人工智能开发中领先。
idiom

break the fourth wall

在戏剧或电影中直接与观众对话
Meaning
to address the audience directly in a play or film
Example
The actor **broke the fourth wall** to make the scene funnier.
演员**打破了第四面墙**，让这场戏更有趣。
idiom

put your shoulder to the wheel

开始努力工作于某事
Meaning
to start working hard on something
Example
Everyone needs to **put their shoulder to the wheel** to finish the project.
每个人都需要为完成项目而努力工作。
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

catch up

在很长一段时间后见面并交谈; 达到与某人相同的水平
Meaning
to meet and talk after a long time; to reach the same level as someone
Example
Let’s **catch up** over coffee this weekend.
这个周末我们一起喝咖啡聊聊。
idiom

a paradigm shift

方法或基本假设的根本变化
Meaning
a fundamental change in approach or underlying assumptions
Example
The invention of the internet marked a **paradigm shift** in communication and information sharing.
互联网的发明标志着通信和信息共享的**范式转变**。
idiom

No guts, no glory

没有勇气，你无法取得成功。
Meaning
Without courage, you can’t achieve success.
Example
He took the challenge—**no guts, no glory**.
他接受了挑战—**没有勇气，便没有荣耀。**
idiom

dot the i's and cross the t's

关注小细节或完美地完成事情
Meaning
to pay attention to small details or finalize things perfectly
Example
Before the presentation, we need to **dot the i's and cross the t's**.
在演讲之前，我们需要**dot the i's and cross the t's**。
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

to get the ball rolling

开始某事，尤其是一个项目或任务
Meaning
to start something, especially a project or task
Example
Let's **get the ball rolling** and start the meeting.
让我们**开始**并开始会议。
idiom

between a rock and a hard place

面临两个困难的选择
Meaning
facing two difficult choices
Example
She’s **between a rock and a hard place** — neither option is good.
她处于两难境地——没有哪个选项是好的。
idiom

It never rains but it pours

当坏事发生时，它们总是一起来的。
Meaning
When bad things happen, they happen all at once.
Example
First I lost my phone, then my wallet — **it never rains but it pours**.
我先丢了手机，又丢了钱包——祸不单行。
idiom

in beta

在最终发布前的测试阶段
Meaning
in the testing phase before final release
Example
The app is still **in beta**, so expect some bugs.
这个应用仍然处于**测试版**，因此请预期会有一些bug。
idiom

reach new heights

比以前获得更多，改进
Meaning
to achieve more than before, to improve
Example
Their business is now **reaching new heights** in terms of revenue.
他们的生意现在在收入方面正在**达到新高度**。
idiom

a blank canvas

可以自由发展的一个人或情况
Meaning
a person or situation that can be developed freely
Example
Starting a new project is like working with **a blank canvas**.
开始一个新项目就像与**一张空白画布**一起工作。
idiom

take the road less traveled

做一些不同寻常的事情
Meaning
to do something different or unconventional
Example
He **took the road less traveled** by choosing a career in adventure sports.
他通过选择冒险运动的职业，**走了人迹较少的道路**。
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

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

off to a flying start

以非常成功的方式开始某事，像旅行一样
Meaning
to begin something, like a journey, very successfully
Example
Our trip was **off to a flying start** with perfect weather.
我们的旅行以完美的天气顺利开始。
idiom

keep your shirt on

保持冷静；不要生气或不耐烦
Meaning
stay calm; don’t get angry or impatient
Example
**Keep your shirt on**, we’ll solve it soon.
保持冷静，我们很快就会解决它
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

settle in

在新环境或新地方适应
Meaning
to become comfortable in a new place or situation
Example
It took a week to **settle in** after the move.
搬家后，我们花了一周时间适应。
idiom

that's the last straw

我的耐心已经耗尽了
Meaning
my patience has run out
Example
He's been late all week, but this is **the last straw**.
他整个星期都迟到了，但这真是最后一根稻草。
idiom

sail through

轻松地成功完成某事
Meaning
to succeed at something easily
Example
With all that practice, you’ll **sail through** the interview.
通过所有这些练习，你会轻松通过面试。
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

kick in

开始生效
Meaning
to begin to take effect
Example
The backup generator should **kick in** within seconds.
备份发电机应在几秒钟内**启动**。
idiom

stay ahead of the game

比别人更成功或更有准备
Meaning
to be more successful or prepared than others
Example
To **stay ahead of the game**, you must always keep learning.
要**保持领先地位**，你必须不断学习。
idiom

keep the fire burning

保持火焰
Meaning
to stay motivated and passionate about something
Example
Even after failure, he managed to **keep the fire burning**.
即使失败后，他仍然能够保持火焰。
idiom

zero in

专注于某事
Meaning
to focus closely on something
Example
Our analysis should **zero in** on customer pain points.
我们的分析应该专注于客户的痛点。
idiom

do someone a favor

出于善意帮助某人
Meaning
to help someone out of kindness
Example
Could you **do me a favor** and close the window?
你能**帮我一个忙**并关上窗户吗？
idiom

burst with happiness

充满了极大的喜悦或兴奋
Meaning
to be full of great joy or excitement
Example
The parents **burst with happiness** when they saw their newborn baby.
当父母看到他们的新生婴儿时，他们充满了喜悦。
idiom

call a truce

同意停止战斗或争论一段时间
Meaning
to agree to stop fighting or arguing for a while
Example
They decided to **call a truce** until the boss arrived.
他们决定在老板到达之前**停战**。
idiom

keep your eye on the ball

专注于你的目标
Meaning
to stay focused on your goal
Example
If you **keep your eye on the ball**, you’ll succeed.
如果你**专注于目标**，你就会成功。
idiom

sliding into DMs

在社交媒体上向某人发送私人消息，通常是调情
Meaning
to send a private message to someone on social media, often flirtatiously
Example
He started **sliding into her DMs** after seeing her post.
看到她的帖子后，他开始给她发私信。
idiom

make yourself clear

以便他人容易理解你表达的意思
Meaning
to express yourself so that others understand you easily
Example
Could you **make yourself clear**, please?
您能**说清楚一点**吗？
idiom

outside the box

以不寻常或非常规的方式思考或行动
Meaning
thinking or acting in an unusual or unconventional way
Example
To solve this problem, we need to think **outside the box**.
为了解决这个问题，我们需要**跳出框框**思考。
idiom

get on the same page

就某事达成一致或以相同的方式理解某事
Meaning
to agree on something or understand something in the same way
Example
Before starting the project, we need to **get on the same page** about the goals.
在开始项目之前，我们需要在目标上**达成一致**。
idiom

have faith in yourself

相信自己的能力和决定
Meaning
to trust your own abilities and decisions
Example
**Have faith in yourself**, you can do this!
相信自己，你能做到！
idiom

Lead the charge

处于行动或运动的最前沿
Meaning
to be at the forefront of an action or movement
Example
He was the one to **lead the charge** in the new project.
他是新项目中**带头冲锋**的人。
idiom

do without

即使缺少某物，也能应付
Meaning
to manage even when something is missing
Example
We’ll **do without** a projector and use prints instead.
我们将**没有**投影仪并改用打印件。
idiom

pull someone up

因错误或表现不佳而责备或纠正某人
Meaning
to reprimand or correct someone for a mistake or poor performance
Example
If a team member is underperforming, it's important to **pull them up** and help them improve.
如果团队成员表现不佳，重要的是要**责备**他们并帮助他们改进
idiom

confide in someone

相信某人，足够信任到可以告诉他们秘密
Meaning
to trust someone enough to tell them secrets
Example
She only **confides in** her best friend.
她只会向她最好的朋友吐露心事。
idiom

drop your guard

放松警惕或变得不那么小心
Meaning
to relax your vigilance or become less careful
Example
Never **drop your guard** when dealing with competitors.
与竞争对手打交道时永远不要放松警惕。
idiom

jump the gun

过早地开始做某事
Meaning
to start something too soon
Example
They **jumped the gun** by announcing the news early.
他们**过早地**宣布了这个消息。
idiom

political hot potato

一个没有人愿意处理的有争议的问题
Meaning
a controversial issue that no one wants to deal with
Example
Immigration reform has become a **political hot potato** for the government.
移民改革已成为政府的**政治热土豆**。
idiom

stage fright

在观众面前表演前的紧张感
Meaning
nervousness before performing in front of an audience
Example
Even experienced actors sometimes get **stage fright**.
即使有经验的演员有时也会紧张。
idiom

cool off with

通过某物让自己变凉
Meaning
to refresh oneself using something
Example
We’ll **cool off with** iced tea after the run.
我们跑步后会通过冰茶让自己清凉。
idiom

at the eleventh hour

在最后时刻
Meaning
at the very last moment
Example
He submitted his assignment **at the eleventh hour**.
他在最后时刻提交了他的作业。
idiom

pull your socks up

努力提高自己的表现
Meaning
to make an effort to improve your performance
Example
You need to **pull your socks up** if you want that promotion.
如果你想要那个晋升，你需要更努力。
idiom

shake things up

在一种情况下引起变化以使其变得更好
Meaning
to cause change in a situation to make it better
Example
The manager decided to **shake things up** in the team.
经理决定在团队中**做出改变**。
idiom

burn your fingers

因不好的决定或错误而遭受痛苦
Meaning
to suffer because of a bad decision or mistake
Example
He **burned his fingers** by trusting the wrong person.
他因为信错了人，**烧了自己的手指**。
idiom

burst of inspiration

突如其来的创造力或动力的感觉
Meaning
a sudden feeling of creativity or motivation
Example
He wrote the poem in a **burst of inspiration**.
他在一阵**灵感的冲动**中写了这首诗。
idiom

a silver bullet

解决复杂问题的简单方法
Meaning
a simple solution to a complex problem
Example
There is no **silver bullet** for solving climate change, but we need to take action.
没有**银弹**可以解决气候变化问题，但我们需要采取行动。
idiom

Speaking personally

表达个人的观点或意见
Meaning
Expressing one’s personal view or opinion
Example
Speaking personally, I wouldn’t take that risk.
个人来说，我不会冒这个风险。
idiom

artificial intelligence

机器中人类智能的模拟，编程使其能够思考和学习。
Meaning
The simulation of human intelligence in machines that are programmed to think and learn.
Example
The company has invested heavily in **artificial intelligence** to enhance automation.
公司已经在**人工智能**方面进行了大量投资，以增强自动化。
idiom

put to the test

考验某人或某事
Meaning
to see how good someone or something is
Example
Her knowledge was **put to the test** during the interview.
她的知识在面试中受到了考验。
idiom

a double-edged sword

既有正面又有负面后果的事物
Meaning
something that has both positive and negative consequences
Example
The internet is **a double-edged sword**; it provides vast information but also exposes us to privacy risks.
互联网是**a double-edged sword**; 它提供了大量的信息，但也使我们面临隐私风险。
idiom

light bulb moment

突如其来的领悟或新想法
Meaning
a sudden realization or new idea
Example
She had a **light bulb moment** while brainstorming for the campaign.
她在为活动进行头脑风暴时，突然有了一个**灵光一现**。
idiom

I feel that

用来表达个人的信念或感觉
Meaning
Used to express a personal belief or feeling
Example
I feel that we could do better next time.
我觉得我们下次可以做得更好。
idiom

sweep someone off their feet

让某人突然爱上你
Meaning
to make someone fall in love with you suddenly
Example
His charm and confidence really **swept her off her feet**.
他的魅力和自信真的让她迷上了他。
idiom

show one's true colors

揭示一个人的真实性格或感情，通常是在隐藏之后
Meaning
to reveal one's true character or feelings, often after a period of hiding them
Example
He finally **showed his true colors** when he volunteered at the charity event.
他在慈善活动中做志愿者时终于展现了他的真实面目。
idiom

nail down

使某事确定或明确
Meaning
to make something definite or certain
Example
We need to **nail down** the details before signing the contract.
在签合同之前，我们需要确定细节。
idiom

keep your nose clean

保持远离麻烦；行为得体
Meaning
to stay out of trouble; to behave properly
Example
He’s been **keeping his nose clean** since he got that new job.
自从他得到那份新工作以来，他一直保持远离麻烦。
idiom

have a heavy heart

感到深深的悲伤或忧愁
Meaning
to feel deep sadness or sorrow
Example
He left the city **with a heavy heart**.
他带着沉重的心情离开了城市。
idiom

As green as grass

非常没有经验或刚开始做某事。
Meaning
Very inexperienced or new at something.
Example
He’s **as green as grass** in his new job.
他在新工作中完全没有经验。
idiom

firewall

一种用于保护网络免受未经授权访问的安全系统。
Meaning
A security system designed to protect a network from unauthorized access.
Example
The company installed a **firewall** to protect sensitive data from cyber attacks.
公司安装了一个**防火墙**，以保护敏感数据免受网络攻击。
idiom

strike while the iron is hot

立即利用机会
Meaning
to take advantage of an opportunity immediately
Example
The market conditions are perfect, so we need to **strike while the iron is hot**.
市场条件完美，因此我们需要立即利用这个机会。
idiom

across the board

同样影响每个人或每件事
Meaning
affecting everyone or everything equally
Example
The new tariffs apply **across the board** to all imported goods.
新的关税同样适用于所有进口商品。
idiom

show leadership

展示领导才能或技能
Meaning
to demonstrate leadership qualities or skills
Example
She was able to **show leadership** during the crisis and guide the team through tough times.
她能够在危机期间**展示领导力**并引导团队度过艰难时期。
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

go-getter

一个有抱负的人，达成自己的目标
Meaning
an ambitious person who achieves their goals
Example
Tom is a real **go-getter**; he never gives up.
汤姆是个真正的 **go-getter**；他从不放弃。
idiom

make headway

取得进展
Meaning
to make progress or advance
Example
We are finally **making headway** with our new project.
我们终于在新项目上取得了进展。
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

nitpick

在某事中挑剔小的、不重要的错误
Meaning
to find small, unimportant faults in something
Example
Stop **nitpicking** every little mistake I make!
别再对我犯的每个小错误吹毛求疵了！
idiom

let your hair down

放松并自由地享受
Meaning
to relax and enjoy yourself freely
Example
At the party, everyone **let their hair down**.
在派对上，每个人**放松自己并尽情享受**。
idiom

living the dream

过上一直渴望的生活
Meaning
living a life that one always desired
Example
After years of hard work, he’s finally **living the dream**.
经过多年的辛勤工作，他终于在**过着梦想中的生活**。
idiom

come rain or shine

不管发生什么；无论天气或情况如何
Meaning
no matter what happens; in any weather or situation
Example
He goes jogging **come rain or shine**.
无论晴天还是雨天，他都会去跑步。
idiom

like a dog with two tails

极其高兴和兴奋
Meaning
extremely happy and excited
Example
He was **like a dog with two tails** after getting the promotion.
他在得到晋升后高兴得像有两条尾巴的狗。
idiom

broken-hearted

因某事或某人而极度悲伤
Meaning
extremely sad about something or someone
Example
He was **broken-hearted** after the breakup.
分手后，他心碎了。
idiom

lose one’s cool

突然生气
Meaning
to suddenly become angry
Example
Try not to **lose your cool** during the argument.
尽量在争论中保持冷静。
idiom

hit the target market

有效地接触目标受众
Meaning
to reach the intended audience effectively
Example
Our ads finally **hit the target market** this quarter.
我们的广告终于在这个季度触及了目标市场。
idiom

In uncharted waters

处于未知或不熟悉的情况中。
Meaning
In a situation that is unknown or unfamiliar.
Example
The astronauts are heading into **uncharted waters** as they explore the unknown galaxy.
宇航员在探索未知星系时进入了未知的水域。
idiom

break the law

犯下非法行为
Meaning
to commit an illegal act
Example
Anyone who **breaks the law** should be punished.
任何**违法的人**都应该受到惩罚。
idiom

pillar of strength

提供强大支持或安慰的人
Meaning
a person who provides strong support or comfort
Example
She was a **pillar of strength** during difficult times.
她在困难时刻是一个**力量的支柱**。
idiom

sound off

大声或强烈地表达意见
Meaning
to express an opinion loudly or strongly
Example
Feel free to **sound off** during the feedback session.
在反馈会议中随时**sound off**。
idiom

slow as a snail

在运动或行动中非常慢或懒惰
Meaning
very slow or lazy in movement or action
Example
He walks **slow as a snail** in the morning.
他早上走得**像蜗牛一样慢**。
idiom

Fall seven times, stand up eight

即使多次失败，也要继续尝试。
Meaning
Keep trying even after multiple failures.
Example
Life is tough, but remember to **fall seven times, stand up eight**.
生活艰难，但记住**跌倒七次，站起来八次**。
idiom

gain ground

取得进展或前进
Meaning
to make progress or advance
Example
The company has been **gaining ground** in the tech industry.
该公司在科技行业**取得进展**。
idiom

to be on cloud nine

极度高兴
Meaning
to be extremely happy
Example
She was **on cloud nine** after hearing the good news about her promotion.
她在听到关于晋升的好消息后，**云端九**了。
idiom

outstanding in one’s field

在自己的工作中卓越
Meaning
to be exceptionally good at one’s work
Example
She’s **outstanding in her field** as a scientist.
她作为科学家在自己的领域内卓越。
idiom

a house divided against itself cannot stand

一个团体或组织在意见或方向上分裂，无法成功
Meaning
a group or organization that is divided in opinion or direction cannot succeed
Example
In a team, **a house divided against itself cannot stand**; everyone needs to agree on the same goal.
在一个团队里，**一间房子分对自己并不能站立**; 每个人都应该对同一个目标共识。
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**。
idiom

change your tune

改变你的意见或态度
Meaning
to change your opinion or attitude
Example
He criticized the plan at first but later **changed his tune**.
一开始他批评了这个计划，但后来他改变了看法。
idiom

on your plate

需要你处理的责任或工作
Meaning
something that is your responsibility or job to handle
Example
I have too much **on my plate** right now with all the projects.
现在我有太多的事情 **在我的盘子里**，有所有的项目。
idiom

to keep one's chin up

在困难的情况下保持积极和充满希望
Meaning
to stay positive and hopeful in a difficult situation
Example
Even though she lost the game, she managed to **keep her chin up** and stayed positive.
虽然她输了比赛，但她设法 **保持着她的信心**，保持积极。
idiom

eye on the prize

保持专注于实现你的目标
Meaning
to stay focused on achieving your goal
Example
She always keeps her **eye on the prize** no matter what.
无论发生什么，她总是**紧盯着奖品**。
idiom

Crossing the Rubicon

采取一个不可逆转的步骤，带来严重后果。
Meaning
Taking an irreversible step with serious consequences.
Example
By going public with the information, he was **crossing the Rubicon**.
通过公开信息，他迈出了一个不可逆转的步伐。
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

have second thoughts

对做出的决定产生怀疑
Meaning
to start having doubts about a decision you have made
Example
I'm having **second thoughts** about buying such an expensive car.
我对买这么贵的车**有第二个想法**。
idiom

bottle up your feelings

隐藏或压抑你的情感
Meaning
to hide or suppress your emotions
Example
Don't **bottle up your feelings**; talk about them.
不要**压抑你的情感**；谈论它们。
idiom

safeguard your system

保护你的计算机系统或网络免受攻击
Meaning
to protect your computer system or network from attacks
Example
Make sure to **safeguard your system** with the latest antivirus software.
确保使用最新的防病毒软件来**保护你的系统**。
idiom

cold feet

对某事感到紧张或犹豫不决
Meaning
to feel nervous or hesitant about something
Example
He got **cold feet** before proposing to her.
在向她求婚之前，他感到犹豫不决。
idiom

puppy love

一种年轻或纯真的爱
Meaning
a young or innocent kind of love
Example
Their relationship in school was just **puppy love**.
他们在学校的关系只是**青涩的爱**。