bottom out
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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

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

be your own biggest fan

欣赏并相信自己
Meaning
to appreciate and believe in yourself
Example
You should **be your own biggest fan** to stay motivated.
你应该成为自己最大的粉丝，以保持动力。
idiom

brain like a sieve

记忆力非常差
Meaning
having a very bad memory
Example
I keep forgetting things—I’ve got a **brain like a sieve**!
我总是忘记事情——我有一个**像筛子一样的大脑**！
idiom

black hole

一种事物消失或丧失而没有解释的情况
Meaning
a situation where things disappear or are lost without explanation
Example
All the research data went into a **black hole** after the server crash.
所有研究数据在服务器崩溃后进入了一个**黑洞**。
idiom

be on the same page

与某人达成一致或有相同的理解
Meaning
to agree with someone or have the same understanding
Example
Before getting married, they made sure they were **on the same page** about their future.
在结婚之前，他们确保他们在关于未来的事情上**达成一致**。
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

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。
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

behind the times

过时或未跟上现代思想
Meaning
old-fashioned or not keeping up with modern ideas
Example
My uncle still uses a typewriter—he’s **behind the times**.
我的叔叔仍然使用打字机——他 **跟不上时代**。
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

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

by and large

大体上
Meaning
generally speaking; on the whole
Example
**By and large**, we agree with your proposal.
大体上，我们同意你的提案。
idiom

Break with tradition

做事与通常方式不同
Meaning
To do something in a different way from what is usually done
Example
The couple decided to **break with tradition** and have a small wedding on the beach.
这对情侣决定打破传统，在海滩举行小型婚礼。
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

bored to death

极度无聊
Meaning
extremely bored
Example
I was **bored to death** during the long lecture.
我在长时间的讲座中感到极度无聊。
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

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。
idiom

burn a hole in one's pocket

很快或不负责任地花钱
Meaning
to spend money quickly or irresponsibly
Example
After receiving his bonus, he couldn't resist and **burned a hole in his pocket** by buying a new car.
收到奖金后，他忍不住买了一辆新车，把钱都花光了。
idiom

Break bread with someone

共享一餐; 通过食物建立联系
Meaning
To share a meal; to bond over food
Example
They decided to **break bread** to celebrate their new partnership.
他们决定一起**分享食物**以庆祝他们的新伙伴关系。
idiom

Burn rate

创业公司花费资本的速度。
Meaning
The rate at which a startup spends its capital.
Example
Our **burn rate** is too high; we need to cut costs.
我们的**烧钱率**太高；我们需要削减成本。
idiom

big data

极大的数据集，可以通过计算分析来揭示模式、趋势和关联。
Meaning
Extremely large data sets that may be analyzed computationally to reveal patterns, trends, and associations.
Example
The company uses **big data** to improve customer experience.
公司使用**大数据**来提升客户体验。
idiom

be at someone’s beck and call

随时准备帮助或服从某人
Meaning
to always be ready to help or obey someone
Example
The assistant is **at his boss’s beck and call**.
助理始终在老板的召唤下。
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

better safe than sorry

谨慎总比冒险后悔要明智。
Meaning
It’s wiser to be cautious than to take risks and regret later.
Example
I always double-check the locks — **better safe than sorry**.
我总是仔细检查锁 — 谨慎总比事后后悔好。
idiom

bury your head in the sand

忽略问题，指望它自己解决
Meaning
to ignore a problem hoping it will go away
Example
We can’t **bury our heads in the sand** about climate change any longer.
我们不能再对气候变化**把头埋在沙里**了
idiom

bookend something

标志某事的开始和结束
Meaning
to mark the beginning and end of something
Example
Her career was **bookended** by two great performances.
她的职业生涯以两场精彩的表演为开端和结束。
idiom

Barking up the wrong tree

采取错误或被误导的行动方向。
Meaning
To pursue a mistaken or misguided course of action.
Example
If you think I'm guilty, you're **barking up the wrong tree**.
如果你认为我有罪，那你就找错对象了。
idiom

behind someone’s back

在他们不知道的情况下做某事
Meaning
to do something secretly without their knowledge
Example
She was talking about me **behind my back**.
她在**我背后**说我的坏话。
idiom

Bide one’s time

耐心等待合适的机会。
Meaning
To wait patiently for the right opportunity.
Example
She decided to **bide her time** before making a move.
她决定在采取行动前**耐心等待时机**。
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

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

be there for someone

在需要时支持或帮助某人
Meaning
to support or help someone when they need it
Example
True friends **are there for you** when you need them.
真正的朋友会在你需要时为你提供帮助
idiom

big mouth

一个说太多话或泄露秘密的人
Meaning
someone who talks too much or reveals secrets
Example
Don’t tell him anything — he’s got a **big mouth**.
别告诉他任何事情 — 他有一个**大嘴巴**。
idiom

be in the driver’s seat

控制局势
Meaning
to be in control of a situation
Example
After the merger, our company is **in the driver’s seat**.
合并后，我们公司处于**驾驶员座位**。
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

better late than never

做某事迟做总比根本不做要好
Meaning
it’s better to do something late than not do it at all
Example
**Better late than never** – he finally apologized.
**迟做总比不做强** – 他终于道歉了。
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

Be as good as your word

Zuò nǐ suǒ chéngnuò de shì.
Meaning
To do what you promised to do.
Example
He said he’d help and he’s **as good as his word**.
Tā shuō tā huì bāngzhù, ér tā **rú tā de huà yīyàng hǎo**.
idiom

break into a market

成功进入一个新的市场或行业
Meaning
to successfully enter a new market or industry
Example
The company is trying to **break into the Asian market**.
公司正在尝试进入亚洲市场。
idiom

bend the rules

做例外; 稍微修改规则
Meaning
to make exceptions; to modify rules slightly
Example
The teacher **bent the rules** to help the new student.
老师**弯曲规则**以帮助新学生。
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

break the problem down

将复杂的问题分解成较小、更易管理的部分
Meaning
to divide a complex problem into smaller, more manageable parts
Example
Let's **break the problem down** into smaller steps.
让我们把问题分解成较小的步骤
idiom

believe you’re good enough

接受你是有能力和值得的人
Meaning
to accept that you are capable and worthy
Example
To overcome fear, you must **believe you’re good enough**.
要克服恐惧，你必须相信自己足够好。
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

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

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

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

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

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

behind bars

在监狱里
Meaning
in prison
Example
The murderer will spend the rest of his life **behind bars**.
谋杀犯将余生都在监狱里度过。
idiom

buy into

接受或支持一个想法或计划
Meaning
to accept or support an idea or plan
Example
The team quickly **bought into** the new workflow.
团队迅速**接受了**新的工作流程。
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

by leaps and bounds

快速进展或改善
Meaning
to progress or improve very quickly
Example
Her English has improved **by leaps and bounds**.
她的英语进步**非常快**。
idiom

blood, sweat, and tears

巨大的努力和辛勤的工作
Meaning
great effort and hard work
Example
Building this company took a lot of **blood, sweat, and tears**.
建立这家公司花费了很多努力和辛勤的工作。
idiom

burned out

因过度工作而完全疲惫
Meaning
completely exhausted or tired due to overwork
Example
After months of overtime, she felt **burned out**.
经过几个月的加班后，她感到筋疲力尽。
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

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

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

beat down

重复用力打击，例如强烈的阳光或雨水
Meaning
to strike repeatedly with force, such as intense sun or rain
Example
The afternoon sun **beat down** on the field all day.
下午的阳光 **照射** 在田野上整整一天。
idiom

big brother

一个哥哥或一个表现得具有保护性的人
Meaning
an older brother or someone who behaves protectively
Example
Mark acts like a **big brother** to everyone in the neighborhood.
马克对邻里里的每个人都像**大哥哥**一样。
idiom

buckle under pressure

因过度压力或压力而屈服或失败。
Meaning
to give in or fail due to too much stress or pressure
Example
Some employees **buckle under pressure**, while others thrive.
一些员工在压力下屈服，而其他员工则茁壮成长。
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

blank mind

无法清晰思考或记起某事
Meaning
unable to think clearly or remember something
Example
During the exam, my **mind went blank**.
考试时，我的**脑子一片空白**。
idiom

be a person of your word

成为一个遵守承诺的人
Meaning
to be someone who keeps their promises
Example
She is truly **a person of her word**, always doing what she says.
她真的是一个信守承诺的人，总是做她说的事情。
idiom

bag of bones

一个非常瘦的人
Meaning
a very thin person
Example
After his illness, he turned into a **bag of bones**.
生病后，他变成了一个瘦骨如柴的人。
idiom

behind the eight ball

处于困难的位置或处于不利地位
Meaning
to be in a difficult position or disadvantage
Example
Without proper funding, the project is **behind the eight ball**.
没有适当的资金，项目处于**困难的境地**。
idiom

back on track

返回正确的路径或计划
Meaning
to return to the right path or plan
Example
After some delays, our trip is **back on track**.
经过一些延迟后，我们的旅行已**恢复正常**。
idiom

brainchild of

由某人创造的想法或发明
Meaning
an idea or invention created by someone
Example
ChatGPT is the **brainchild of** OpenAI researchers.
ChatGPT 是 **brainchild of** OpenAI 研究人员的创意。
idiom

breakthrough

一个重大的或突如其来的发展或发现；一个重要的成就
Meaning
a significant or sudden development or discovery; an important achievement
Example
The scientist made a major **breakthrough** in his research on cancer treatment.
科学家在癌症治疗研究中取得了一个重大的**bùruì kè sū**。
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

bend someone’s ear

与某人长时间交谈，通常是为了抱怨
Meaning
to talk to someone for a long time, usually to complain
Example
He **bent my ear** about his terrible day at work.
他**在我耳边抱怨**他工作中的糟糕一天。
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

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

book smart

从学习中获得知识而不是从经验中获得的人
Meaning
knowledgeable from studying rather than experience
Example
He’s **book smart** but lacks practical experience.
他很有书本知识，但缺乏实际经验。
idiom

bank on

依赖于或依靠某事发生
Meaning
to rely on or depend on something happening
Example
You can **bank on** her support during tough times.
你可以在困难时刻依赖她的支持。
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

blind justice

不受外部因素影响的公正正义
Meaning
justice that is impartial and not influenced by external factors
Example
**Blind justice** treats everyone the same, regardless of wealth or status.
**盲目的正义** 对每个人一视同仁，不论财富或地位。
idiom

balance of trade

一个国家的出口和进口之间的差异
Meaning
the difference between a country's exports and imports
Example
A negative **balance of trade** can weaken a nation's currency.
负的贸易平衡可能削弱一个国家的货币
idiom

big thanks

一种非正式的说谢谢的方式
Meaning
an informal way to say thank you very much
Example
**Big thanks** to everyone who supported the project.
非常感谢所有支持该项目的人。
idiom

burst into tears

突然开始哭泣
Meaning
to suddenly start crying
Example
She **burst into tears** after hearing the bad news.
她听到坏消息后**突然哭了起来**。
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

born in the purple

出生于富裕或皇室家庭
Meaning
born into a wealthy or royal family
Example
He was **born in the purple**, so wealth was never an issue.
他出生于皇室家庭，因此财富从未是问题。
idiom

blow the whistle

揭露不正当行为或揭示机密信息
Meaning
to expose wrongdoing or reveal secret information
Example
He **blew the whistle** on the company’s illegal activities.
他揭露了公司非法活动。
idiom

blow someone's mind

让某人感到震惊或惊讶
Meaning
to amaze or astonish someone
Example
The magic show really **blew my mind**.
魔术表演真的让我大吃一惊。
idiom

breach of security

违反或未能遵守安全协议
Meaning
a violation or failure to adhere to security protocols
Example
The company faced a significant **breach of security** last year.
公司去年面临了一个重大的安全漏洞。
idiom

be like family

像家庭成员一样亲近
Meaning
to be as close as family members
Example
My best friend is **like family** to me.
我最好的朋友对我来说**就像家人**。
idiom

backseat driver

给出不必要的建议或方向的人
Meaning
a person who gives unwanted advice or direction
Example
Don't be a **backseat driver**, let me handle it.
别当**后座司机**，让我来处理吧。
idiom

block out

忽略干扰或不愉快的想法
Meaning
to ignore distractions or unpleasant thoughts
Example
She tried to **block out** the noise and continue working.
她试图**阻挡**噪音并继续工作。
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

by the skin of one’s teeth

勉强逃脱或达成某事。
Meaning
To narrowly escape or achieve something by a very small margin.
Example
I passed the exam **by the skin of my teeth**.
我勉强通过了考试。
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

break one's word

未能履行承诺
Meaning
to fail to keep a promise
Example
Don’t **break your word**; people rely on you.
不要**打破承诺**；人们依赖你。
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

behind the scenes

秘密地或没有公众知晓
Meaning
secretly or without public knowledge
Example
A lot of work happens **behind the scenes** to make a movie.
为了制作电影，很多工作发生在幕后。
idiom

break out in a cold sweat

因恐惧或焦虑而突然开始流汗
Meaning
to suddenly start sweating due to fear or anxiety
Example
He **broke out in a cold sweat** before his job interview.
他在面试前因害怕而出了一身冷汗。
idiom

birds of a feather

有相似兴趣或特征的人
Meaning
people with similar interests or characteristics
Example
Tom and Jerry are always together—**birds of a feather**.
汤姆和杰瑞总是在一起——他们是志同道合的朋友。
idiom

blow one’s top

突然变得非常生气
Meaning
to suddenly become very angry
Example
He **blew his top** when he saw the mistake.
当他看到错误时，他非常生气。
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

brave the storm

勇敢地面对巨大的困难
Meaning
to face great difficulties with courage
Example
They **braved the storm** to rescue the stranded people.
他们**勇敢地面对风暴**去营救被困的人。
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

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

beat a dead horse

在已经解决的问题上浪费时间
Meaning
to waste time on a topic that has already been resolved
Example
Stop **beating a dead horse**; the decision is final.
别再纠结这个问题了，决定已经定了。
idiom

backroom deal

由有权势的人达成的秘密协议
Meaning
a secret agreement made by powerful people
Example
The media exposed the **backroom deal** between the two parties.
媒体揭露了两方之间的**秘密协议**。
idiom

break up

结束一段浪漫关系
Meaning
to end a romantic relationship
Example
They decided to **break up** after five years together.
他们决定在一起五年后分手。
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

bottle up feelings

把情感藏在心里不表达
Meaning
to keep emotions inside without expressing them
Example
It's not healthy to **bottle up your feelings** for too long.
长时间把情感压抑在心里对身体不好。
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

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

blur the lines

使两者之间的区别变得不那么清晰
Meaning
to make the difference between two things less clear or distinct
Example
AI-generated art often **blurs the lines** between human creativity and machine output.
人工智能生成的艺术常常**模糊了**人类创造力与机器输出之间的界限。
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

bear in mind

记住或考虑某事
Meaning
to remember or consider something
Example
**Bear in mind** that traffic will be heavy at that time.
请记住，那时交通会很拥挤。
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

byte the bullet

勇敢地面对困难的情况
Meaning
to face a difficult situation bravely
Example
We have to **byte the bullet** and fix the system bugs now.
我们必须勇敢地面对并修复系统的漏洞。
idiom

beyond a shadow of a doubt

毫无疑问；完全确定
Meaning
without any doubt; completely certain
Example
He is **beyond a shadow of a doubt** the best candidate for the job.
他**毫无疑问**是这个工作的最佳候选人。
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

Breaking new ground

做出重要的新发现或创新；做一些前所未做过的事情。
Meaning
To make an important new discovery or innovation; to do something that has never been done before.
Example
The new trade agreement is **breaking new ground** in international relations.
新的贸易协议在国际关系中**开创了新局面**。
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

backdoor access

一种秘密或未经授权的方式访问系统或信息
Meaning
a secret or unauthorized way to access a system or information
Example
Hackers found a **backdoor access** to the company’s database.
黑客发现了进入公司数据库的后门通道。
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

beyond a reasonable doubt

毫无合理怀疑；完全确定
Meaning
without any logical reason to doubt; with full certainty
Example
The evidence proved his guilt **beyond a reasonable doubt**.
证据证明了他的罪行毫无合理怀疑。