break the fourth wall
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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

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

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

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

blackout

暂时失去意识
Meaning
to lose consciousness temporarily
Example
He suddenly **blacked out** during the match.
他在比赛中突然**晕倒**。
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

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

blueprint for success

实现成功的详细计划
Meaning
a detailed plan for achieving success
Example
Strong teamwork is the **blueprint for success** in this project.
强大的团队合作是这个项目的**成功的蓝图**。
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

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

break the ice

在尴尬的情况下开始友好的对话
Meaning
to start a friendly conversation in an awkward situation
Example
To **break the ice**, I told a funny story.
为了**打破僵局**，我讲了一个有趣的故事。
idiom

bite your tongue

强忍不说出自己想说的话
Meaning
to stop yourself from saying something you want to say
Example
I had to **bite my tongue** when my boss took credit for my work.
当老板抢走我的功劳时，我不得不忍住不说话。
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

battle-tested

通过经验或困难证明有效
Meaning
proven effective through experience or hardship
Example
She’s a **battle-tested** leader who knows how to stay calm under pressure.
她是一位有经验的领导者，知道如何在压力下保持冷静。
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

be responsible for

对某事负责
Meaning
to be in charge of or accountable for something
Example
She is **responsible for** managing the entire department.
她**负责**管理整个部门。
idiom

break the clutter

在拥挤或竞争激烈的市场中脱颖而出
Meaning
to stand out in a crowded or competitive market
Example
A good tagline can help a brand **break the clutter**.
一个好的标语可以帮助品牌在混乱中脱颖而出。
idiom

back into

无意中向后移到某物中
Meaning
to move backwards into something unintentionally
Example
I nearly **backed into** the recycling bin while parking.
我差点在停车时倒退进回收箱里。
idiom

be all smiles

看起来非常开心和愉快
Meaning
to look very happy and cheerful
Example
She was **all smiles** after hearing the good news.
听到好消息后，她面带笑容。
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

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

bright-eyed and bushy-tailed

精神饱满、充满活力，尤其是在早晨
Meaning
alert and full of energy, especially in the morning
Example
He came to work **bright-eyed and bushy-tailed** after the weekend.
他在周末后精神饱满地来上班。
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

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

busy as a bee

非常活跃或勤奋
Meaning
very active or hardworking
Example
She’s **as busy as a bee** preparing for the wedding.
她正在为婚礼**像蜜蜂一样忙碌**。
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

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

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

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

bite the bullet

决定做一些困难或令人不愉快的事情，之前一直拖延或犹豫不决
Meaning
to decide to do something difficult or unpleasant that one has been putting off or hesitating about
Example
I decided to **bite the bullet** and finish my homework.
我决定**咬子弹**并完成我的作业。
idiom

bridge the gap

减少差异或改善关系
Meaning
to reduce differences or improve relations
Example
The treaty aims to **bridge the gap** between the two sides.
该条约旨在弥合双方之间的差距。
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

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

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

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

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

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

bark up the wrong tree

做出错误的假设
Meaning
to make a wrong assumption
Example
If you think I took your wallet, you’re **barking up the wrong tree**.
如果你认为我拿了你的钱包，你**做出了错误的假设**。
idiom

burning the candle at both ends

没有足够的休息，拼命工作
Meaning
working very hard without enough rest
Example
He is **burning the candle at both ends** with two jobs.
他正在做两个工作，拼命工作。
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

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

breeze through

轻松地做某事，几乎不费力气
Meaning
to do something easily and with little effort
Example
She managed to **breeze through** the exam without any problems.
她轻松地通过了考试，没有遇到任何问题。
idiom

Breaking news

新鲜且重要的信息正在立即报道
Meaning
New and important information being reported immediately
Example
We have **breaking news** about the election results.
我们有关于选举结果的**突发新闻**。
idiom

be on edge

感到紧张，焦虑或容易被激怒
Meaning
to be nervous, tense, or easily upset
Example
She’s been **on edge** all day waiting for the results.
她整天都在**焦虑**地等待结果。
idiom

burning the midnight oil

熬夜工作
Meaning
working late into the night
Example
She’s been **burning the midnight oil** to finish the report.
她为了完成报告，一直在熬夜工作。
idiom

brain like a computer

拥有极其分析性和高效的思维
Meaning
to have an extremely analytical and efficient mind
Example
She remembers every detail; she has a **brain like a computer**.
她记得每个细节；她有一个**像计算机一样的大脑**。
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

block off

封锁一个区域，使人们无法进入
Meaning
to close an area so people cannot enter
Example
Police **blocked off** the street after the accident.
警方在事故后封锁了街道。
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

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

brush aside

把某事视为不重要并置之不理
Meaning
to dismiss something as unimportant
Example
Management **brushed aside** the rumors during the briefing.
管理层在简报中**无视**了这些谣言。
idiom

black box problem

一种情况，其中人工智能系统的内部工作不透明或无法理解
Meaning
a situation where the internal workings of an AI system are not transparent or understood
Example
The biggest challenge in deep learning is the **black box problem**.
深度学习中最大的挑战是**黑盒问题**。
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

born poor, die rich

从贫穷开始，但通过努力工作变得富有
Meaning
to start life poor but become rich through hard work
Example
He’s the kind of man who wants to **born poor, die rich**.
他是那种想要**从贫穷出生，死时富有**的人。
idiom

break new ground

做一些创新或开创性的事情
Meaning
to do something innovative or pioneering
Example
Their research **broke new ground** in medical science.
他们的研究在医学科学上开辟了新天地。
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

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

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

be a role model

成为别人应该模仿的榜样
Meaning
to be an example that others should imitate
Example
She is always a **role model** for younger employees in the company.
她总是公司里年轻员工的**榜样**。
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

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

black box thinking

黑箱思维：通过研究输入和输出分析未知的过程
Meaning
analyzing unknown processes by studying their inputs and outputs
Example
In AI research, **black box thinking** helps improve transparency.
在AI研究中，**黑箱思维**有助于提高透明度。
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

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

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

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

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

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

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

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

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

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

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

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

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

back up

支持或备份重要数据
Meaning
to support or to make a copy of important data
Example
Can you **back up** my explanation during the meeting?
你能在会议期间支持我的解释吗？
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

break a leg

祝愿某人在表演中好运
Meaning
to wish someone good luck in a performance
Example
Before the play started, everyone told her to **break a leg**.
在戏剧开始之前，每个人都告诉她要**祝她好运**。
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 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

beat someone to the punch

在别人之前做某事
Meaning
to do something before someone else does
Example
He **beat me to the punch** by applying for the job first.
他通过首先申请这份工作**抢先一步**。
idiom

butterflies in one's stomach

感到紧张或焦虑
Meaning
feeling nervous or anxious
Example
I had **butterflies in my stomach** before the interview.
面试前我感到很紧张。
idiom

back each other up

互相支持与帮助
Meaning
to support and help one another
Example
In a good team, members always **back each other up**.
在一个好的团队中，成员们总是互相支持。
idiom

brand awareness

消费者对品牌的熟悉程度
Meaning
the extent to which consumers are familiar with a brand
Example
Our main goal is to increase **brand awareness** through social media.
我们的主要目标是通过社交媒体提高**品牌意识**。
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

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

bounce back from

在挫折后迅速恢复
Meaning
to recover quickly after a setback
Example
The team needs to **bounce back from** last week's loss.
队伍需要从上周的失利中迅速恢复。
idiom

bootstrapping

在没有外部资金的情况下建立业务
Meaning
building a business without external funding
Example
He started his company through **bootstrapping**, using only his savings.
他通过**bootstrapping**创办了自己的公司，只使用了自己的储蓄。
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

be a good sport

在困难的情况下保持公平和积极
Meaning
to be fair and positive in difficult situations
Example
Even when she lost the game, she was **a good sport** and congratulated the winner.
即使她输了比赛，她还是一个好运动员，祝贺了获胜者。
idiom

be in the limelight

成为焦点
Meaning
to be the center of attention
Example
The actor was **in the limelight** after his award win.
演员在获奖后成为焦点。
idiom

Born with a silver spoon in one's mouth

出生在富裕家庭。
Meaning
To be born into a wealthy family.
Example
He never had to struggle; he was **born with a silver spoon in his mouth**.
他从未需要奋斗；他出生在富裕家庭。
idiom

break the internet

在网上引起大量关注和讨论
Meaning
to cause an enormous amount of attention and discussion online
Example
The celebrity's new photo **broke the internet**.
这位名人的新照片**打破了互联网**。
idiom

backdoor

一种未记录的访问系统或软件的方式，通常由黑客用来绕过安全防护。
Meaning
An undocumented way of accessing a system or software, usually used by hackers to bypass security.
Example
The attacker installed a **backdoor** to access the system at any time without being detected.
攻击者安装了一个**后门**，以便在任何时候都能访问系统，而不被发现。
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

Band together

为了共同的目标而团结起来。
Meaning
To unite for a common purpose.
Example
The workers **banded together** to demand better wages.
工人们团结起来要求更高的工资。
idiom

break even

收入与支出相等，既无利润也无损失
Meaning
to have equal income and expenses, neither profit nor loss
Example
The company finally **broke even** after three years.
公司终于在三年后**持平**。
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

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

break the bank

花费太多钱；把所有的钱都用光
Meaning
to cost too much; to use up all your money
Example
Buying that car will **break the bank**.
买那辆车会让你**倾家荡产**。
idiom

build castles in the air

做不切实际的计划或梦想
Meaning
to make unrealistic plans or dreams
Example
He’s always **building castles in the air** instead of acting.
他总是在做空想而不行动。
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

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 to the drawing board

在失败后重新开始
Meaning
to start over again after a failure
Example
Our proposal was rejected, so it's **back to the drawing board**.
我们的提案被拒绝了，所以我们必须**重新开始**。
idiom

behind enemy lines

处于敌对或危险的情况中
Meaning
in a hostile or dangerous situation
Example
Journalists were working **behind enemy lines** to report the truth.
记者们在敌人的防线后工作，以报道真相。
idiom

break the glass ceiling

克服障碍或限制，尤其是在职业或个人进步方面
Meaning
to overcome a barrier or limitation, particularly in career or personal advancement
Example
She was the first woman in the company to **break the glass ceiling** and become a senior manager.
她是公司中第一个**打破玻璃天花板**并成为高级经理的女性。
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

burn one's bridges

摧毁无法恢复的关系或机会
Meaning
to destroy relationships or opportunities that cannot be restored
Example
He **burned his bridges** when he insulted his boss.
他在侮辱老板时**烧了自己的桥梁**
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

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

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

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

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

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

burning with envy

感到强烈的嫉妒
Meaning
feeling intense jealousy
Example
She was **burning with envy** when she heard about his promotion.
当她听说他的晋升时，她感到非常嫉妒。
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

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

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

be above board

以诚实和公开的方式行事
Meaning
to act in an honest and open manner
Example
She is always **above board** in all her dealings.
她在所有的交易中总是**诚实**。
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

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。