behind closed doors
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idiom

behind closed doors

私下里; 秘密地
Meaning
in private; secretly
Example
The deal was made **behind closed doors**.
交易是在闭门造车的情况下达成的。
idiom

bring to the table

贡献一些有用或有价值的东西
Meaning
to contribute something useful or valuable
Example
Each team member **brings something unique to the table**.
每个团队成员**带来一些独特的东西**。
idiom

bottom out

达到最低点然后改善
Meaning
to reach the lowest point before improving
Example
Experts believe the market has **bottomed out**.
专家认为市场已经触底。
idiom

burst of creativity

一阵突然的创造性想法涌现
Meaning
a sudden outpouring of creative ideas
Example
She had a **burst of creativity** and finished the design in one go.
她有了**创造力的迸发**，并一次性完成了设计。
idiom

blow someone's cover

揭露某人的秘密身份或隐藏目的
Meaning
to reveal someone's secret identity or hidden purpose
Example
The journalist accidentally **blew the cover** of the undercover agent.
记者不小心揭露了卧底特工的身份。
idiom

bear with

对某人或某事保持耐心
Meaning
to be patient with someone or something
Example
Please **bear with** us while we resolve the issue.
请在我们解决问题时耐心等待。
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。
idiom

blind experiment

一种不让参与者知道某些信息以避免偏见的测试
Meaning
a test conducted without participants knowing certain information to prevent bias
Example
The scientists conducted a **blind experiment** to ensure accuracy.
科学家们进行了一项**盲实验**以确保准确性。
idiom

Be all ears

非常专心地听。
Meaning
To listen very attentively.
Example
I’m **all ears**, tell me what happened!
我**全神贯注**，告诉我发生了什么!
idiom

butterflies in the stomach

感到紧张或兴奋
Meaning
feeling nervous or excited
Example
I always get **butterflies in my stomach** before a date.
约会前我总是感到紧张。
idiom

blow up in your face

一个计划或情况突然出错并造成麻烦
Meaning
a plan or situation that suddenly goes wrong and causes trouble
Example
His plan to impress the boss **blew up in his face**.
他打算给老板留下深刻印象的计划**在他面前爆炸**。
idiom

bring up a family

抚养和照顾孩子
Meaning
to raise and take care of children
Example
They worked hard to **bring up a family**.
他们努力工作以抚养一个家庭。
idiom

break into a cold sweat

因恐惧或焦虑而开始出冷汗
Meaning
to start sweating due to fear or anxiety
Example
He **broke into a cold sweat** before giving his speech.
他在发表演讲前**紧张得冒出了冷汗**。
idiom

bide your time

耐心等待合适的时机
Meaning
to wait patiently for the right moment
Example
She decided to **bide her time** before making a move.
她决定在行动之前**耐心等待合适的时机**。
idiom

build from the ground up

从头开始做某事
Meaning
to start something from the very beginning
Example
They **built their business from the ground up** with no investors.
他们**从头开始建立了他们的生意**，没有投资者。
idiom

build brand loyalty

建立对品牌的长期信任和依赖
Meaning
to create long-term trust and attachment to a brand
Example
Consistent quality helps **build brand loyalty** among customers.
持续的质量帮助在客户中建立品牌忠诚度。
idiom

beginner’s luck

对新手的成功
Meaning
success for someone inexperienced
Example
He won his first game — must be **beginner’s luck**.
他赢得了第一场比赛——一定是**新手运气**。
idiom

brainstorm

在小组讨论中生成许多创意想法
Meaning
to generate many creative ideas in a group discussion
Example
Let’s **brainstorm** some ideas for our next campaign.
让我们为我们的下一个活动产生一些想法。
idiom

be lost for words

惊讶到无法言语
Meaning
to be so surprised that you cannot speak
Example
I was **lost for words** when I won the prize.
当我赢得奖品时，我 **无言以对**。
idiom

blue chip company

一家大型、可靠且财务稳定的公司
Meaning
a large, reliable, and financially stable company
Example
Investors prefer to put their money into **blue chip companies**.
投资者更愿意将资金投入到**蓝筹公司**。
idiom

boot up

启动计算机或系统
Meaning
to start a computer or system
Example
My laptop takes forever to **boot up**.
我的笔记本需要很长时间才能启动。
idiom

beyond one’s grasp

太难理解或实现
Meaning
too difficult to understand or achieve
Example
Quantum physics is **beyond my grasp** right now.
量子物理学现在对我来说**难以理解**。
idiom

blind date

两个从未见过面的人之间的浪漫约会
Meaning
a romantic meeting between two people who have never met before
Example
She met her boyfriend on a **blind date**.
她是在一次相亲中遇到她的男朋友的。
idiom

Break the news

告诉某人重要或坏消息。
Meaning
To tell someone important or bad news.
Example
He didn’t know how to **break the news** to his parents.
他不知道如何将**这个消息传达**给他的父母。
idiom

bounce around

随意讨论或在想法之间游走
Meaning
to discuss or move between ideas casually
Example
Let’s **bounce around** concepts before we pick one.
让我们在挑选之前讨论概念。
idiom

be thick as thieves

成为非常亲密的朋友
Meaning
to be very close friends
Example
Those two have been **thick as thieves** since childhood.
这两个人从小就是**非常亲密的朋友**。
idiom

bolt from the blue

一个突然和意想不到的事件
Meaning
a sudden and unexpected event
Example
The project cancellation came as a **bolt from the blue**.
项目的取消就像晴天霹雳一样。
idiom

believe you can

相信自己能做到的心态
Meaning
to have the mindset that you are capable of doing something
Example
If you **believe you can**, you’re halfway there.
如果你相信自己能做到，你就已经成功一半了。
idiom

balance out

反制或取消某事的效果
Meaning
to counteract or cancel the effect of something
Example
The extra volunteers should **balance out** the workload.
额外的志愿者应该平衡工作负载。
idiom

bend the truth

稍微改变事实，使某事听起来更好
Meaning
to slightly change the truth to make something sound better
Example
He tends to **bend the truth** when telling stories.
他在讲故事时常常**bend the truth**。
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

bosom friends

非常亲密和亲切的朋友
Meaning
very close and intimate friends
Example
They have been **bosom friends** since childhood.
他们从小就是非常亲密的朋友。
idiom

bull market

股票价格上涨的时期
Meaning
a period when prices of stocks are rising
Example
Investors are optimistic during a **bull market**.
投资者在**牛市**期间持乐观态度。
idiom

break your back

为了实现某事而非常努力地工作
Meaning
to work very hard to achieve something
Example
He’s been **breaking his back** to support his family.
他一直在**拼命工作**来养家。
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

bloom where you are planted

充分利用你所处的环境
Meaning
to make the best of the situation you are in
Example
Even in a small town, she managed to **bloom where she was planted**.
即使在一个小镇，她也设法在她所在的地方茁壮成长。
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

big-hearted

非常友善和慷慨
Meaning
very kind and generous
Example
He is known as a **big-hearted** man.
他被认为是一个**心地善良**的人。
idiom

bad blood

家庭成员之间的愤怒或怨恨
Meaning
anger or resentment between family members
Example
There’s still **bad blood** between the cousins after the inheritance issue.
继承问题后，堂兄弟姐妹之间仍然有愤怒。
idiom

bravery in the face of danger

在面对危险时表现出勇气
Meaning
showing courage even when facing danger
Example
The firefighter showed **bravery in the face of danger**.
消防员在面对危险时表现出了勇气。
idiom

brighten someone's day

让某人感到更开心
Meaning
to make someone feel happier
Example
Her kindness really **brightened my day**.
她的善良真的让我的一天更愉快。
idiom

break a promise

违背承诺
Meaning
to fail to do what one promised
Example
She **broke her promise** and didn’t call him.
她违背了承诺，没有给他打电话。
idiom

break down the problem

逐步分析一个问题
Meaning
to analyze a problem step by step
Example
Let’s **break down the problem** to understand it better.
让我们逐步分析这个问题，以便更好地理解它。
idiom

Build bridges, not walls

建立联系和友谊，而不是筑起隔阂
Meaning
Make connections and friendships rather than creating barriers
Example
Instead of fighting, let's **build bridges, not walls**.
与其争吵，不如建立桥梁，而不是高墙。
idiom

beyond one’s comprehension

太难以理解
Meaning
too difficult to understand
Example
Quantum physics is **beyond my comprehension**.
量子物理学**超出了我的理解范围**。
idiom

blast off

以极大的能量或热情开始
Meaning
to take off or start with great energy or enthusiasm
Example
The project is ready to **blast off** next week.
该项目准备在下周启动。
idiom

bring down the house

获得观众的热烈掌声
Meaning
to get an enthusiastic applause from the audience
Example
Her solo performance **brought down the house**.
她的独唱表演**赢得了满堂彩**。
idiom

book someone

正式指控某人犯罪
Meaning
to officially charge someone with a crime
Example
The police **booked** him for theft.
警察因盗窃指控了他。
idiom

Blue skies thinking

无边界的创造性或开放性思维。
Meaning
Creative or open-minded thinking without limits.
Example
Our brainstorming session encouraged **blue skies thinking**.
我们的头脑风暴会议鼓励了无边界的思维。
idiom

blow a fuse

突然变得非常生气或失去控制
Meaning
to suddenly become very angry or lose control
Example
He **blew a fuse** when he saw the mess.
他看到那一团糟时勃然大怒。
idiom

bold as brass

非常自信，完全不害羞
Meaning
to be very confident and not shy at all
Example
She walked into the meeting **bold as brass**.
她毫不羞怯地走进了会议。
idiom

Break like the wind

快速移动或经过；有时带有幽默意味。
Meaning
To move or pass quickly; sometimes used humorously.
Example
He ran **like the wind** to catch the bus.
他像风一样跑去赶公交车。
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

beyond the pale

超出可接受的规则或标准
Meaning
outside acceptable rules or standards
Example
His behavior was **beyond the pale**.
他的行为超出了可接受的范围。
idiom

bad luck

不幸或运气差的情况
Meaning
unfortunate or unlucky situation
Example
It’s just **bad luck** that it rained on our picnic day.
只是**运气不好**，在我们的野餐日下雨了。
idiom

beat the rap

逃避惩罚或避免被定罪
Meaning
to escape punishment or avoid being convicted
Example
He managed to **beat the rap** thanks to a clever lawyer.
他凭借一个聪明的律师成功逃避了惩罚。
idiom

Bootstrap the business

仅使用个人资金建立公司。
Meaning
To build a company using only personal finances.
Example
They decided to **bootstrap the business** instead of seeking investors.
他们决定**bootstrap the business**，而不是寻求投资者。
idiom

beyond the rainbow

期望一些美丽或梦幻的事情
Meaning
to hope for something wonderful or dreamlike
Example
She believes her dreams lie **beyond the rainbow**.
她相信她的梦想在彩虹的另一边。
idiom

brush past

轻轻接触并迅速经过某人或某物
Meaning
to move quickly by someone or something with slight contact
Example
He **brushed past** the reporters without stopping.
他**轻轻地擦过**记者们没有停下来。
idiom

back out of

从协议或承诺中撤退
Meaning
to withdraw from an agreement or commitment
Example
He **backed out of** the trip at the last minute.
他在最后一刻**退出了**这次旅行。
idiom

branch off

从主路线或发展线分开
Meaning
to separate from a main route or line of development
Example
The hiking path will **branch off** near the lake.
徒步小径将在湖边分支。
idiom

build one's confidence

增加自信或相信自己的能力
Meaning
to increase one's self-assurance or belief in one's abilities
Example
Public speaking classes helped him **build his confidence**.
公共演讲课程帮助他**建立了自信**。
idiom

brighten up

变得更快乐或更开心
Meaning
to become happier or more cheerful
Example
Her face **brightened up** when she saw her friends.
当她看到她的朋友们时，她的脸**亮了起来**。
idiom

bring up

抚养或照顾一个孩子直到成年
Meaning
to raise or care for a child until adulthood
Example
She was **brought up** by her grandparents.
她是由她的祖父母抚养长大的。
idiom

Burn the bridges

摧毁返回先前情况的可能性
Meaning
to destroy the possibility of returning to a previous situation
Example
Once he left the company, he decided to **burn the bridges** and not look back.
一旦他离开了公司，他决定 **burn the bridges** 并且不回头看。
idiom

bright future ahead

拥有积极的前景或可能性
Meaning
having positive prospects or possibilities
Example
With your hard work, you have a **bright future ahead**.
通过你的努力工作，你拥有一个 **光明的未来**。
idiom

beyond one's control

超出某人控制
Meaning
not under one’s power or influence
Example
The situation is **beyond our control** now.
现在情况已经**超出了我们的控制**。
idiom

better luck next time

用来鼓励失败的人
Meaning
used to encourage someone who has failed
Example
**Better luck next time**! You almost won.
下次好运！你差点赢了。
idiom

burning ambition

强烈的实现某事的愿望
Meaning
a very strong desire to achieve something
Example
He had a **burning ambition** to become a successful entrepreneur.
他有一个**强烈的愿望**要成为一名成功的企业家。
idiom

bite off more than you can chew

承担超出自己能力范围的任务
Meaning
to take on a task that is too big to handle
Example
I think I **bit off more than I can chew** by agreeing to manage three projects at once.
我觉得我同意同时管理三个项目是承担了超出自己能力范围的任务。
idiom

behind the firewall

受到保护或与外部威胁隔离
Meaning
protected or isolated from external threats
Example
Sensitive company data should always stay **behind the firewall**.
敏感的公司数据应该始终保持在**防火墙后面**。
idiom

back out

退出协议或承诺
Meaning
to withdraw from an agreement or commitment
Example
They can’t **back out** after signing the contract.
他们在签署合同后不能退出。
idiom

build character

通过挑战发展积极的品质或力量
Meaning
to develop positive qualities or strength through challenges
Example
Going through this process will **build character** in the team.
通过这个过程将**锻炼团队的性格**。
idiom

black hat

一个具有恶意意图的黑客
Meaning
a hacker with malicious intent
Example
**Black hats** often exploit vulnerabilities for personal gain.
**Black hats** 常常利用漏洞来谋取个人利益。
idiom

boil over

当愤怒变得无法控制时
Meaning
when anger becomes too much to control
Example
The argument finally **boiled over** into a shouting match.
争论最终爆发成了一场大喊大叫的争执。
idiom

Burst with gratitude

感到极其感激。
Meaning
To feel extremely thankful.
Example
She was **bursting with gratitude** after receiving help.
她在收到帮助后，**充满了感激之情**。
idiom

Bet your bottom dollar

对某事非常确定或自信。
Meaning
To be very sure or confident about something.
Example
You can **bet your bottom dollar** that he’ll show up late again.
你可以**打赌你最后一块钱**他又会迟到。
idiom

bat around

随意讨论想法
Meaning
to discuss ideas casually
Example
We spent the afternoon **batting around** marketing themes.
我们花了一下午的时间讨论营销主题。
idiom

bottle up emotions

把感情保留在内心，不表达出来
Meaning
to keep feelings inside and not express them
Example
He tends to **bottle up his emotions**, which isn't healthy in the long run.
他倾向于**压抑自己的情绪**，这从长远来看不健康。
idiom

Burning question

一个重要或紧急的问题，人们急于知道。
Meaning
An important or urgent question that people are eager to know.
Example
The **burning question** is whether the plan will actually work.
最关键的问题是这个计划是否真的有效。
idiom

Bursting at the seams

非常满或拥挤。
Meaning
To be very full or crowded.
Example
The store was **bursting at the seams** during the sale.
商店在促销时非常拥挤。
idiom

bounce rate

在只查看一个页面后离开网站的访客百分比
Meaning
the percentage of visitors who leave a website after viewing only one page
Example
We need to lower our **bounce rate** to keep visitors engaged.
我们需要降低我们的 **跳出率** 以保持访客的参与。
idiom

break the chains

摆脱限制或约束
Meaning
to free oneself from restrictions or limitations
Example
She wanted to **break the chains** of social expectations.
她想**打破社会期望的束缚**。
idiom

bang for your buck

花费的每一分钱的价值；一个好交易
Meaning
value for the money spent; a good deal
Example
This insurance plan gives you the best **bang for your buck**.
这个保险计划给你最划算的选择。
idiom

bend the law

以不诚实的方式利用法律来达到目的
Meaning
to use the law in a dishonest way to achieve something
Example
Some lawyers know how to **bend the law** to help their clients.
一些律师知道如何**钻法律的空子**来帮助他们的客户。
idiom

build bridges

改善人与人之间的关系
Meaning
to improve relationships between people
Example
We need to **build bridges** between our two departments.
我们需要在两个部门之间**建立联系**。
idiom

be accountable for

对某事负责并能够解释它
Meaning
to be responsible for something and able to explain it
Example
As the team leader, he is **accountable for the project's outcome**.
作为团队领导，他对**项目的结果负责**。
idiom

blossom into something

随着时间的推移发展或变得成功
Meaning
to develop or become successful over time
Example
She **blossomed into** a confident and skilled leader.
她变成了一个自信且熟练的领导者。
idiom

birds of a feather flock together

有相似兴趣或性格的人往往会成为朋友。
Meaning
People who have similar interests or personalities tend to be friends.
Example
John and Mike are always together; well, **birds of a feather flock together**.
约翰和迈克总是在一起；俗话说，物以类聚，人以群分。
idiom

break the mold

做不同于传统的事情
Meaning
to do something differently from tradition
Example
She **broke the mold** by becoming the first female CEO.
她通过成为首位女性CEO，打破常规。
idiom

bring to life

使某事物更有趣或更逼真
Meaning
to make something more interesting or realistic
Example
The artist’s use of color really **brought the painting to life**.
艺术家使用的颜色真的 **使画作栩栩如生**。
idiom

big picture

整体观点或情况
Meaning
the overall perspective or situation
Example
Producers always try to see the **big picture** before making changes.
制片人总是在做出改变之前试图看到整体情况。
idiom

brute force attack

一种通过尝试所有可能的密码组合直到找到正确密码的黑客方法
Meaning
a method of hacking that tries all possible combinations of passwords until the correct one is found
Example
The attacker launched a **brute force attack** on the system’s login page.
攻击者对系统的登录页面发起了**暴力破解攻击**。
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

battle of wills

双方都拒绝让步的冲突
Meaning
a conflict where both sides refuse to give up
Example
It became a **battle of wills** between the manager and the team leader.
它变成了经理和团队领导之间的**意志之战**。
idiom

brand loyalty

消费者倾向于不断购买相同品牌的趋势
Meaning
the tendency of consumers to keep buying the same brand
Example
**Brand loyalty** often depends on consistent quality.
**品牌忠诚度**通常依赖于持续的质量。
idiom

burst out laughing

突然大笑
Meaning
to suddenly start laughing loudly
Example
Everyone **burst out laughing** at his joke.
每个人听了他的笑话都**爆笑起来**。
idiom

by the book

严格按照规则行事
Meaning
to follow the rules exactly
Example
Our manager does everything **by the book**.
我们的经理做一切都**按规矩**。
idiom

blow out of proportion

夸大或过度陈述某事
Meaning
to exaggerate or overstate something
Example
The media **blew the story out of proportion**.
媒体把故事夸大了。
idiom

black and white

明确界定；没有混淆或模糊
Meaning
clearly defined; without confusion or ambiguity
Example
The contract terms are **black and white**.
合同条款非常清晰。
idiom

blow off steam

表达愤怒或沮丧以使自己感觉更好
Meaning
to express anger or frustration so that you feel better
Example
He went for a run to **blow off steam** after the argument.
他在争论后去跑步以发泄情绪。
idiom

blow your mind

极大地打动或震撼某人
Meaning
to impress or amaze someone greatly
Example
The new AI technology will **blow your mind**.
新的人工智能技术将让你震惊。
idiom

Building castles in the air

有不切实际或不实际的计划或梦想。
Meaning
To have unrealistic or impractical plans or dreams.
Example
She’s always **building castles in the air**, dreaming of a perfect world.
她总是在**空中建造城堡**，梦想着一个完美的世界。
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

Batten down the hatches

为困难或危险的情况做好准备。
Meaning
To prepare for a difficult or dangerous situation.
Example
We’d better **batten down the hatches**; a storm is coming.
我们最好做好准备；风暴来了。
idiom

burst with joy

高兴得难以抑制情感
Meaning
to be so happy that it’s hard to contain emotions
Example
The parents **burst with joy** when their child won the prize.
当孩子赢得奖项时，父母**高兴得合不拢嘴**。
idiom

back to square one

重新开始
Meaning
to start over again
Example
After the computer crashed, I had to go **back to square one** with my report.
电脑崩溃后，我不得不重新开始我的报告。
idiom

button up

完成准备工作或安全地关闭某物
Meaning
to finish preparations or close something securely
Example
Let’s **button up** the proposal by Friday.
让我们在周五前**button up**提案。
idiom

back and forth

反复改变意见或决策
Meaning
to change opinions or decisions repeatedly
Example
We’ve been going **back and forth** about this issue for weeks.
我们已经就这个问题讨论了几个星期。
idiom

break free

摆脱控制或限制
Meaning
to escape from control or restriction
Example
She wanted to **break free** from her routine life.
她想要摆脱日常生活的束缚。
idiom

barefaced lie

大胆而无耻的谎言
Meaning
a bold and shameless lie
Example
His excuse was a **barefaced lie**.
他的借口是一个无耻的谎言。
idiom

bring luck

带来好运
Meaning
to cause good fortune
Example
This bracelet is said to **bring luck** to whoever wears it.
有人说，这只手链会带来好运给佩戴它的人。
idiom

breathe in

深呼吸
Meaning
to inhale air deeply
Example
Take a moment to **breathe in** before you speak.
在说话之前，花一刻钟深呼吸。
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

break faith

打破信任
Meaning
to stop being loyal or trustworthy
Example
He **broke faith** with his team when he left suddenly.
他**打破了信任**与他的团队，当他突然离开时。
idiom

break someone’s heart

让某人非常伤心
Meaning
to make someone very sad
Example
It really **broke his heart** when she left him.
当她离开他时，真的让他心碎了。
idiom

back on your feet

恢复健康了
Meaning
recovered and healthy again
Example
It’s good to see you **back on your feet** after the flu.
很高兴看到你在得流感后恢复健康。
idiom

Born and bred

在特定地方度过一生并受其文化影响
Meaning
Having lived all one’s life in a particular place and influenced by its culture
Example
She’s a Dhaka **born and bred** woman.
她是一个在达卡出生并长大的女人。
idiom

break down in tears

突然开始哭泣
Meaning
to start crying suddenly
Example
She **broke down in tears** after hearing the sad story.
她在听到悲伤的故事后**突然哭了起来**。
idiom

butter wouldn’t melt in their mouth

看起来无辜的人，实际上可能并非如此
Meaning
someone who looks innocent but might not be
Example
She looks so sweet—**butter wouldn’t melt in her mouth**.
她看起来那么甜美—**黄油在她嘴里不会融化**。
idiom

Best foot forward

努力给人留下最好的印象
Meaning
To try to make the best possible impression
Example
She always puts her **best foot forward** on important occasions.
她总是在重要场合尽力表现自己最好的一面。