once in a blue moon
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idiom

once in a blue moon

非常罕见
Meaning
very rarely
Example
I only see him **once in a blue moon**.
我很少见到他。
idiom

feel the heat

yùdòng yāo qiú huò pīpíng
Meaning
to experience pressure or criticism
Example
The manager began to **feel the heat** after the sales dropped.
Zhíyuán zài xiāoshòu xiàjiàng hòu kāishǐ **gǎnshòu rèliè**.
idiom

paint a vision

清晰地描述一个激励人心的未来目标
Meaning
to clearly describe an inspiring future goal
Example
The leader **painted a vision** of a better, more connected world.
领导者描绘了一个更好、更互联的世界的愿景。
idiom

make it big

变得非常成功或著名
Meaning
to become very successful or famous
Example
He moved to Hollywood to **make it big**.
他搬到好莱坞去**出名**。
idiom

a snowball effect

一种情况，其中某事物的规模或重要性以越来越快的速度增加
Meaning
a situation in which something increases in size or importance at a faster and faster rate
Example
The more followers she got, the more famous she became, creating **a snowball effect**.
她的追随者越多，她就越有名，形成了一个雪球效应。
idiom

take charge

掌控或承担某事的责任
Meaning
to take control or responsibility for something
Example
She decided to **take charge** of the project herself.
她决定亲自负责这个项目。
idiom

hand off to

将责任或控制转交给其他人
Meaning
to transfer responsibility or control to someone else
Example
I’ll **hand this off to** the design team tomorrow.
我明天将这交给设计团队。
idiom

stormy relationship

一个充满争吵和冲突的关系
Meaning
a relationship full of arguments and conflicts
Example
They had a **stormy relationship** for many years.
他们有一段**风暴般的关系**持续了许多年。
idiom

put your faith in someone

完全信任某人
Meaning
to trust someone completely
Example
She decided to **put her faith in him** and let him handle the project.
她决定**把信任放在他身上**，让他负责这个项目。
idiom

rags to riches

从贫穷到富有和成功
Meaning
to go from being poor to becoming rich and successful
Example
His life story is a real **rags to riches** tale.
他的生活故事是真正的从贫穷到富有的故事。
idiom

under the pump

处于巨大的压力或压力之下
Meaning
to be under a lot of pressure or stress
Example
The team has been **under the pump** to meet the project deadline.
团队一直在 **巨大压力下**，以赶上项目的截止日期。
idiom

take pride in yourself

为自己是谁或做什么而感到自豪
Meaning
to feel proud of who you are or what you do
Example
Always **take pride in yourself** and your achievements.
始终要**为自己和自己的成就感到自豪。**
idiom

square peg in a round hole

某人或某物不适合或不属于特定的地方或情况
Meaning
someone or something that doesn't fit or belong in a particular place or situation
Example
Putting a modern building in a historical district is like trying to fit a **square peg in a round hole**.
把一座现代建筑放在一个历史区域里，就像试图把**square peg in a round hole**放进去。
idiom

give someone the shirt off your back

非常慷慨和无私
Meaning
to be extremely generous and selfless
Example
He’d **give you the shirt off his back** if you needed it.
如果你需要，他会把自己的衬衫给你。
idiom

couldn't believe my eyes

惊讶得不敢相信自己所看到的
Meaning
to be so surprised that you doubt what you see
Example
I **couldn’t believe my eyes** when I saw the results.
当我看到结果时，我简直不敢相信自己的眼睛。
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。
idiom

Make every minute count

有效利用你的时间，充分利用每一刻。
Meaning
Use your time effectively and make the most of every moment.
Example
To be successful, you need to **make every minute count** and stay focused on your tasks.
要想成功，你需要**让每一分钟都有意义**，并专注于自己的任务。
idiom

give someone a dose of their own medicine

以同样糟糕的方式对待某人，就像他们对待别人一样
Meaning
to treat someone the same bad way they treated others
Example
He was rude to everyone, so I **gave him a dose of his own medicine**.
他对每个人都很粗鲁，所以我**给了他一剂自己的药**。
idiom

dog days

夏季最热的日子
Meaning
the hottest days of summer
Example
During the **dog days** of summer, everyone stays indoors.
在夏季的**dog days**期间，每个人都呆在室内。
idiom

cut and dry

清晰直接; 没有混淆的空间
Meaning
clear and straightforward; no room for confusion
Example
The decision wasn’t as **cut and dry** as they expected.
决策并不像他们预期的那样明确直接。
idiom

bail someone out

帮助某人摆脱困境
Meaning
to help someone out of a difficult situation
Example
His friend **bailed him out** when he ran out of money.
他的朋友在他没钱时**救了他**。
idiom

bury the lead

隐藏故事中最重要的部分
Meaning
to hide the most important part of the story
Example
Don’t **bury the lead**—mention the main point first.
不要**埋没重点**—首先提到主要点。
idiom

Don't put all your eggs in one basket

不要把所有的风险放在一个计划上。
Meaning
Don’t risk everything on a single plan.
Example
You should invest in different areas; **don’t put all your eggs in one basket**.
你应该在不同的领域投资；不要把所有的鸡蛋放在一个篮子里。
idiom

make peace with

结束冲突并重新成为朋友
Meaning
to end conflict and become friendly again
Example
She finally **made peace with** her sister after years of misunderstanding.
她在多年误解之后终于和她的姐姐和解了。
idiom

Throw money at something

试图通过花很多钱来解决问题，而不是寻找更好的解决办法。
Meaning
To try to solve a problem by spending a lot of money instead of using a better solution.
Example
The government keeps **throwing money at** the education problem instead of reforming it.
政府一直在**往教育问题上砸钱**，而不是去改革它。
idiom

blaze a trail

成为第一个做创新的事情的人
Meaning
to be the first to do something innovative
Example
She **blazed a trail** in renewable energy research.
她在可再生能源研究中开辟了道路。
idiom

pack up

收拾东西并准备离开
Meaning
to gather belongings and prepare to leave
Example
We should **pack up** and head home before the storm starts.
我们应该**打包**，在风暴开始前回家
idiom

hot potato

一个有争议的问题，没有人愿意处理
Meaning
a controversial issue that no one wants to deal with
Example
The refugee crisis has become a **hot potato** in the government.
难民危机在政府中变成了一个有争议的问题
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

ease onto

轻轻地移动到某物上
Meaning
to move gently onto something
Example
Please **ease onto** the ramp to avoid jolts.
请轻轻地移动到坡道上以避免震动。
idiom

set the wheels in motion

开始某事或启动行动
Meaning
to start something or initiate action
Example
The CEO's speech **set the wheels in motion** for the new project.
CEO的演讲**推动**了新项目的开展。
idiom

pass the buck

把责任推给别人。
Meaning
to shift responsibility to someone else.
Example
Don’t **pass the buck**; you need to take ownership of your actions.
不要**推卸责任**；你需要对自己的行为负责。
idiom

party line

政党的官方政策或立场
Meaning
the official policy or position of a political party
Example
Members were warned not to speak against the **party line**.
成员们被警告不要反对**政党路线**。
idiom

stressed out

因为问题而感到非常担心或紧张
Meaning
feeling very worried or tense because of problems
Example
I'm completely **stressed out** about my exams.
我因为考试而感到完全**压力过大**。
idiom

from the ground up

从头开始完全构建或启动某事
Meaning
to build or start something completely from the beginning
Example
The software was built **from the ground up** using new code.
该软件是使用新代码从头开始开发的。
idiom

addiction to something

强烈且有害的做某事或使用某物的需求
Meaning
a strong and harmful need to do or use something
Example
He is struggling with his **addiction to smoking**.
他在与他的**吸烟成瘾**作斗争。
idiom

a dead-end job

没有晋升或改善机会的工作
Meaning
a job with no opportunity for advancement or improvement
Example
He quit his **dead-end job** to start his own business.
他辞去了他的**死胡同工作**，开始了自己的生意。
idiom

fail fast, learn faster

快速识别错误并将其用作学习机会
Meaning
to quickly identify mistakes and use them as learning opportunities
Example
In startup culture, it’s encouraged to **fail fast, learn faster**.
在初创公司文化中，鼓励**失败快，学习更快**。
idiom

take a stand

明确表示坚定的决定或观点
Meaning
to make a firm decision or opinion known
Example
It’s time to **take a stand** and support what you believe in.
是时候**表明立场**并支持你所信仰的事物。
idiom

check over

仔细检查某事以发现错误
Meaning
to examine something carefully for mistakes
Example
Let’s **check over** the draft before sending it.
在发送之前我们检查过草稿。
idiom

To be in someone's corner

支持或捍卫某人
Meaning
To support or defend someone.
Example
Even though they were having disagreements, she was always **in his corner**.
尽管他们有分歧，她始终站在**他的一边**
idiom

at the helm

处于领导或控制位置
Meaning
in a position of leadership or control
Example
With her **at the helm**, the company has grown rapidly.
在她的**掌舵下**，公司迅速成长。
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

hang out with

和朋友一起度过时间
Meaning
to spend time with friends
Example
We usually **hang out with** our classmates after school.
我们通常在放学后和同学们一起度过时间。
idiom

self-assured

自信
Meaning
confident and sure of oneself
Example
She walked into the room looking calm and **self-assured**.
她走进房间，看起来冷静且自信。
idiom

fall flat on your face

以令人尴尬的方式彻底失败
Meaning
to fail completely in an embarrassing way
Example
He **fell flat on his face** during his first business attempt.
他在第一次商业尝试中完全失败了。
idiom

win the peace

在冲突后成功维持和平
Meaning
to succeed in maintaining peace after a conflict
Example
The treaty was a success, but they still had to **win the peace**.
条约很成功，但他们仍然必须**赢得和平**。
idiom

feel blue

感到悲伤或沮丧
Meaning
to feel sad or depressed
Example
I always **feel blue** on rainy days.
在雨天，我总是感到沮丧。
idiom

Dress to impress

穿着打扮让别人对你刮目相看
Meaning
Wear clothes that will make others admire you
Example
You should **dress to impress** for your job interview.
你在面试时应该穿着打扮得体，让别人对你印象深刻。
idiom

turn a blind eye

故意忽视错误或令人不快的事情
Meaning
to deliberately ignore something wrong or unpleasant
Example
The manager **turned a blind eye** to employees leaving early on Fridays.
经理对员工周五早退的事情视而不见。
idiom

Out of one’s depth

处于一种过于难以理解或应对的情况。
Meaning
To be in a situation that is too difficult to understand or deal with.
Example
I felt **out of my depth** in that technical discussion.
在那次技术讨论中，我感到**超出我的深度**。
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

miss out on

错过愉快的经历
Meaning
to fail to experience something enjoyable
Example
Don’t **miss out on** the early-bird discount.
不要错过早鸟折扣。
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

cutting corners

以最简单或最便宜的方式做事，通常会牺牲质量
Meaning
to do something in the easiest or cheapest way, often sacrificing quality
Example
They finished early by **cutting corners**, but the result was poor.
他们通过“走捷径”提前完成，但结果很差。
idiom

drive someone up the wall

使某人感到非常恼火或愤怒
Meaning
to make someone very annoyed or angry
Example
Her constant complaints **drive me up the wall**.
她不断的抱怨 **让我非常恼火**。
idiom

grassroots movement

由普通人发起并推动的政治运动
Meaning
a political movement started and driven by ordinary people
Example
The campaign grew into a powerful **grassroots movement** for change.
该运动发展成为一场强大的**草根运动**，推动变革。
idiom

navigate uncharted waters

处理一个新的和未知的情况。
Meaning
Deal with a situation that is new and unknown.
Example
Starting this business means **navigating uncharted waters**.
开始这个业务意味着**导航未知水域**。
idiom

beg to differ

礼貌地与某人不同意见
Meaning
to politely disagree with someone
Example
I **beg to differ**, but I think your conclusion is incorrect.
我**礼貌地不同意**，但我认为你的结论是错误的。
idiom

work up

逐渐建立勇气、精力或食欲
Meaning
to gradually build courage, energy, or an appetite
Example
It took me a while to **work up** the courage to ask.
我花了一些时间才能鼓起勇气去提问。
idiom

Keep it real

保持诚实和真实。
Meaning
To stay honest and genuine.
Example
She always tries to **keep it real** in her relationships.
她总是努力在她的关系中**保持诚实和真实**。
idiom

light at the end of the tunnel

困难时期后的希望之兆
Meaning
sign of hope after a difficult period
Example
After months of struggle, she finally saw the **light at the end of the tunnel**.
经过数月的奋斗，她终于看到了隧道尽头的光明。
idiom

Break a sweat

付出努力或在某事上辛苦工作。
Meaning
To exert effort or work hard at something.
Example
She didn't even **break a sweat** while finishing the entire project in one day.
她在一天内完成整个项目时，甚至没有出一滴汗。
idiom

A goal without a plan is just a wish

没有明确计划的目标成功的可能性很小。
Meaning
Having a goal without a clear plan makes it unlikely to succeed.
Example
Don’t just dream, remember **a goal without a plan is just a wish**.
不要只做梦，记住**没有计划的目标只是一个愿望**。
idiom

synergy effect

两家或更多公司共同合作所带来的更高效能或价值
Meaning
the increased effectiveness or value that results from two or more companies working together
Example
The partnership created a **synergy effect**, benefiting both companies.
合作关系创造了一个协同效应，使两家公司都受益。
idiom

SEO-friendly

优化以在搜索引擎结果中排名更高
Meaning
optimized to rank higher in search engine results
Example
Make sure your website is **SEO-friendly**.
确保您的网站是**SEO-friendly**。
idiom

to rise to the occasion

在面对挑战时展现必要能力
Meaning
to show the necessary ability when faced with a challenge
Example
When the team needed him most, he **rose to the occasion** and led them to victory.
当团队最需要他时，他迎难而上并带领他们取得胜利。
idiom

zero-day vulnerability

软件中的安全漏洞，黑客在供应商有机会修复之前就加以利用
Meaning
A security flaw in software that is exploited by hackers before the vendor has a chance to fix it
Example
The **zero-day vulnerability** was exploited by hackers to steal sensitive data.
黑客利用**零日漏洞**窃取了敏感数据。
idiom

take center stage

成为焦点
Meaning
to be the main focus of attention
Example
The issue of climate change **took center stage** at the conference.
气候变化问题在会议中成为焦点。
idiom

burn the candle at both ends

工作过度而没有足够的休息
Meaning
to work too hard without enough rest
Example
If you **burn the candle at both ends**, you’ll get exhausted soon.
如果你**两头烧蜡烛**，你很快会感到精疲力尽。
idiom

check in with

与某人联系以交流最新情况
Meaning
to contact someone to exchange updates
Example
I’ll **check in with** the vendor later today.
我今天晚些时候会与供应商联系。
idiom

lose your temper

突然生气
Meaning
to become angry suddenly
Example
He **lost his temper** when the kids broke the vase.
当孩子们打破花瓶时，他**失去了冷静**。
idiom

to serve justice

确保公平或惩罚得到适当的施加
Meaning
to ensure that fairness or punishment is properly given
Example
The court’s decision **served justice** for the victims.
法院的判决**为受害者提供了公正**。
idiom

steal the show

成为最杰出的表演者
Meaning
to be the most outstanding performer
Example
Her performance **stole the show** last night.
她的表演 **抢了所有的风头** 昨晚。
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

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

a smoke-filled room

一个有权势的人在此做出秘密的政治决定的地方
Meaning
a place where powerful people make secret political decisions
Example
The policy was decided in **a smoke-filled room**, not in public.
政策是在**烟雾弥漫的房间**里决定的，而不是在公众面前。
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。
idiom

fall through

失败
Meaning
to fail to happen
Example
Our travel plans might **fall through** if the storm hits.
如果暴风雨来临，我们的旅行计划可能会失败。
idiom

smear campaign

通过虚假指控或流言蜚语损害某人声誉的企图
Meaning
an attempt to damage someone's reputation through false accusations or gossip
Example
The opposition launched a **smear campaign** against the minister.
反对派发起了针对部长的**抹黑运动**。
idiom

there’s always tomorrow

未来你将有另一次机会
Meaning
you’ll have another chance in the future
Example
Don’t be sad about today’s failure — **there’s always tomorrow**.
不要为今天的失败感到难过——明天总会有机会。
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

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

phishing attempt

通过假装自己是可信赖的实体，试图欺骗某人透露个人或机密信息
Meaning
an attempt to deceive someone into revealing personal or confidential information by pretending to be a trustworthy entity
Example
The email you received looks like a **phishing attempt**, so don't click any links.
你收到的电子邮件看起来像是一个**网络钓鱼尝试**，所以不要点击任何链接。
idiom

land a job

得到一份工作
Meaning
to successfully get a job
Example
He was thrilled to **land a job** at his dream company.
他很高兴能够在他的梦想公司得到一份工作。
idiom

Clean hands

无罪或没有负罪感。
Meaning
To be innocent or free from guilt.
Example
He claims to have **clean hands** in the scandal.
他声称在丑闻中有**clean hands**。
idiom

Put yourself in someone’s shoes

想象自己在另一个人的情境中
Meaning
To imagine yourself in another person's situation
Example
Try to **put yourself in her shoes** before judging her actions.
在判断她的行为之前，试着**把自己置于她的处境**。
idiom

plug into

连接或参与某事，通常是一个系统或网络
Meaning
to connect or become involved in something, usually a system or network
Example
You need to **plug into** the right social media channels to reach a wider audience.
你需要**plug into**正确的社交媒体渠道来接触更广泛的观众。
idiom

to go down in history

因重要或重大事情而被铭记
Meaning
to be remembered for something important or significant
Example
He **went down in history** as one of the greatest inventors of all time.
他作为有史以来最伟大的发明家之一而载入史册。
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

Pilot project

一个小规模的实验，用于测试一个概念。
Meaning
A small-scale experiment to test a concept.
Example
We launched a **pilot project** before going nationwide.
我们在全国推广之前启动了一个试点项目。
idiom

judge, jury, and executioner

控制所有判决和惩罚某人的部分
Meaning
to control all parts of judging and punishing someone
Example
He acted as **judge, jury, and executioner** in the matter.
他在这件事上充当了**法官，陪审团和刽子手**。
idiom

Make headlines

成为重要的新闻故事
Meaning
To become an important news story
Example
Her sudden resignation **made headlines** across the country.
她的突然辞职成为全国的头条新闻。
idiom

Patience pays off

耐心最终会带来积极的结果。
Meaning
Being patient will eventually lead to positive results.
Example
I know you’ve been waiting for a long time, but trust me, **patience pays off**.
我知道你等了很长时间，但相信我，耐心会得到回报。
idiom

Media frenzy

媒体对某个故事的过度关注或兴奋。
Meaning
Excessive media attention or excitement over a story.
Example
The celebrity’s arrest created a **media frenzy**.
名人的逮捕引发了**媒体狂热**。
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

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！
idiom

pep up

让某人或某物变得更有活力或精力充沛
Meaning
to make someone or something more lively or energetic
Example
A quick walk outside always **peps me up** in the afternoon.
外面快走总是让我下午感觉更有活力。
idiom

brush up on

提高某人的技能或知识
Meaning
to improve one’s skill or knowledge
Example
She decided to **brush up on** her painting techniques.
她决定提高她的绘画技巧。
idiom

talk down to someone

以高高在上的态度与别人说话，好像他们不聪明
Meaning
to speak to someone as if they are less intelligent
Example
He always **talks down to** his coworkers, which is rude.
他总是以高高在上的态度和同事说话，这很无礼。
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

upload your brain

将一个人的思想、知识或意识以数字方式转移或存储
Meaning
to transfer or store one’s thoughts, knowledge, or consciousness digitally
Example
One day we might be able to **upload our brain** into the cloud.
有一天我们可能能够将我们的脑袋**上传到云端**
idiom

grin from ear to ear

因为高兴而露出灿烂的笑容
Meaning
to smile broadly because of happiness
Example
She was **grinning from ear to ear** after the compliment.
她在收到夸奖后笑得合不拢嘴。
idiom

in a good mood

感到快乐或愉快
Meaning
feeling happy or cheerful
Example
She's always **in a good mood** when the sun is shining.
当阳光照耀时，她总是心情愉快。
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

mad as a hornet

非常生气
Meaning
very angry
Example
She was **mad as a hornet** when she found her phone broken.
她发现她的手机坏了时，**非常生气**。
idiom

bargain for

预期或计划某事
Meaning
to expect or plan for something
Example
The workload was more than we **bargained for**.
工作量比我们预期的更多。
idiom

dig in your heels

拒绝放弃或改变立场
Meaning
to refuse to give up or change your position
Example
He **dug in his heels** and refused to quit until he succeeded.
他**坚持己见**，拒绝放弃直到成功。
idiom

dive into

充满热情地开始做某事
Meaning
to start doing something with enthusiasm
Example
Let’s **dive into** the agenda after coffee.
喝完咖啡后我们开始讨论议程吧。
idiom

iron curtain

在意识形态或政治上分隔国家的障碍
Meaning
a barrier separating nations ideologically or politically
Example
During the Cold War, Europe was divided by the **iron curtain**.
在冷战期间，欧洲被**铁幕**分隔开。
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。
idiom

dollar for dollar

在价值或数量上完全相等或等同的匹配
Meaning
an exact or equivalent match in value or amount
Example
The government promised a **dollar for dollar** match for all donations.
政府承诺对所有捐款进行美元对美元的配对。
idiom

pivot

根据市场反馈或失败调整方向或策略
Meaning
to change direction or strategy in response to market feedback or failure
Example
After the initial product launch failed, the team decided to **pivot** to a new business model.
在初步的产品发布失败后，团队决定向新的商业模式**枢轴**。
idiom

a closed book

某事或某人很难理解
Meaning
something or someone that is difficult to understand
Example
He’s **a closed book** when it comes to his personal life.
当涉及到他的个人生活时，他就像一本封闭的书。
idiom

Word on the street

街头的传闻或八卦
Meaning
Common rumor or gossip
Example
The **word on the street** is that the CEO might resign soon.
街头的传闻是，CEO可能很快辞职。
idiom

behind schedule

比计划或预期的时间晚
Meaning
later than planned or expected
Example
The flight is **behind schedule** because of the storm.
航班因暴风雨而**延误**。
idiom

rule of law

每个人都受法律约束的原则
Meaning
the principle that everyone is subject to the law
Example
Democracy depends on the **rule of law**.
民主依赖于法治。
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

wear the crown

处于领导或权力的位置
Meaning
to be in a position of leadership or power
Example
It's not easy to **wear the crown** and handle all responsibilities.
要穿上**wear the crown**并处理所有的责任并不容易。
idiom

Don’t throw in the towel

不要放弃或停止。
Meaning
Don’t give up or quit.
Example
**Don’t throw in the towel** even if it’s hard.
**不要放弃** 即使它很难。
idiom

to have someone's back

支持或保护某人。
Meaning
To support or defend someone.
Example
Don’t worry, I **have your back** if things go wrong.
别担心，如果事情出错，我会支持你的。