bloom where you are planted
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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

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

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

breach of trust

未能保持信息或承诺的安全
Meaning
a failure to keep information or promises secure
Example
Leaking user data is a major **breach of trust**.
泄露用户数据是一个严重的**信任破裂**。
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 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

betray someone's trust

背叛某人的信任
Meaning
to break someone's confidence in you
Example
She would never **betray your trust**.
她永远不会背叛你的信任。
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

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

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

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

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

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

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

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

bosom friend

一个非常亲密和值得信赖的朋友
Meaning
a very close and trusted friend
Example
We’ve been **bosom friends** since childhood.
我们从小就是非常要好的朋友。
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

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

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

be in high spirits

感到非常开心和积极
Meaning
to feel very happy and positive
Example
Everyone was **in high spirits** after the successful event.
每个人在成功的活动后都非常开心。
idiom

buckle under the strain

屈服于压力或压力
Meaning
to give in to stress or pressure
Example
She refused to **buckle under the strain** and kept going.
她拒绝了**在压力下屈服**并继续前进。
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

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

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

bring the curtain down

结束某事；完成一场表演或活动
Meaning
to end something; to finish a performance or event
Example
The concert **brought the curtain down** on the music festival.
音乐会**为音乐节画上了句号**。
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

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

burn the midnight oil

工作到深夜
Meaning
to work late into the night
Example
She **burned the midnight oil** to finish her project.
她为了完成她的项目，工作到深夜。
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

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

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

Bet the farm

在一个重大决定上冒险一切。
Meaning
To risk everything on one big decision.
Example
He **bet the farm** on that business deal.
他在那笔商业交易中**赌上了一切**。
idiom

bottom line

最重要的点；最终结果或利润
Meaning
the most important point; the final result or profit
Example
The **bottom line** is that trade deficits are increasing.
关键是贸易逆差正在增加。
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

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

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

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

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

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

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

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

bite the dust

失败或被打败
Meaning
to fail or be defeated
Example
Several small startups **bit the dust** last year.
去年有几家小型初创公司**失败了**。
idiom

brainstorm ideas

思考新的和创造性的想法
Meaning
to think of new and creative ideas
Example
The class gathered to **brainstorm ideas** for the science project.
班级聚集在一起为科学项目生成创意。
idiom

brand ambassador

通过个人影响力推广品牌的人
Meaning
a person who promotes a brand through personal influence
Example
They hired a celebrity as their **brand ambassador**.
他们聘请了一位名人作为他们的**品牌大使**。
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

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

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

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

branch out

扩展到新的活动或领域
Meaning
to expand into new activities or areas
Example
The bakery plans to **branch out** into catering services next year.
面包店计划明年扩展到餐饮服务。
idiom

Bring peace to

在某种情况下恢复平静或安宁。
Meaning
To restore calm or tranquility in a situation.
Example
Her kind words helped **bring peace to** the argument.
她的好话帮助**带来了平和**的争论。
idiom

blow your top

非常生气
Meaning
to become very angry
Example
He **blew his top** when he found out about the mistake.
他在得知错误后**火冒三丈**。
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

blue sky thinking

创造性和富有远见的思维，忽视实际限制
Meaning
creative and visionary thinking that ignores practical limitations
Example
Let's engage in some **blue sky thinking** to come up with innovative solutions.
让我们进行一些**蓝天思维**，提出创新的解决方案。
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

brush off

将某事或某人视为不重要而置之不理
Meaning
to dismiss something or someone as unimportant
Example
He tried to **brush off** the criticism during the meeting.
他试图在会议中**brush off**批评。
idiom

burst with energy

充满活力和热情
Meaning
to have a lot of energy and enthusiasm
Example
The children were **bursting with energy** during the game.
孩子们在游戏中充满活力。
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

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

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 of power

各国之间的权力分配，以防止任何一个国家变得过于强大
Meaning
the distribution of power between nations to prevent any one nation from becoming too powerful
Example
The United Nations aims to maintain the **balance of power** among its member states.
联合国旨在维持其成员国之间的**力量平衡**。
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

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

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

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

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

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

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

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

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

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

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

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

beyond your wildest dreams

比你想象的更好或更惊人
Meaning
better or more amazing than imagined
Example
Her success was **beyond her wildest dreams**.
她的成功超出了她最疯狂的梦想。
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

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

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 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

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

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

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

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

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

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

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

blow out of the water

完全惊讶或击败
Meaning
to surprise or defeat completely
Example
Their performance **blew us out of the water**.
他们的表现**完全让我们吃惊**。
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

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

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

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

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

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

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

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

Boom and bust

一段大繁荣之后紧跟着急剧下降的时期。
Meaning
A period of great prosperity followed by a sharp decline.
Example
The real estate market often experiences **boom and bust** cycles.
房地产市场经常经历**繁荣与萧条**的周期。
idiom

build trust

在关系中建立或发展信任
Meaning
to create or develop trust in a relationship
Example
It takes time to **build trust** with new people.
与新的人建立信任需要时间。
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

build from scratch

从头开始做某事
Meaning
to start something from the very beginning
Example
They **built the company from scratch** with no outside funding.
他们从零开始建立公司，没有外部资金。
idiom

beyond words

无法用言语描述的极大或极端
Meaning
too great or extreme to be described in words
Example
Her kindness was **beyond words**.
她的善良是**无法用言语描述的**。
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

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

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

blow one’s own trumpet

自夸; 吹嘘自己的成就
Meaning
to praise oneself; to boast about one's achievements
Example
He loves to **blow his own trumpet** whenever he achieves something.
每当他取得某些成就时，他都喜欢**自夸**。
idiom

bear the brunt

承担某件不愉快事情的主要责任或痛苦
Meaning
to take the main responsibility or suffering of something unpleasant
Example
The junior staff had to **bear the brunt** of the manager’s anger.
初级员工不得不承受经理愤怒的主要部分。
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

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

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

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

brighten up your day

使某人感到更快乐
Meaning
to make someone feel happier
Example
Her smile can **brighten up your day** instantly.
她的微笑能瞬间**让你的一天更美好**。
idiom

be on duty

在某个时间值班或负责某事
Meaning
to be working or responsible for something at a certain time
Example
The guard was **on duty** all night.
警卫整晚都在值班。
idiom

be comfortable in your own skin

对自己是谁感到自信和幸福
Meaning
to be confident and happy with who you are
Example
It took years for her to **be comfortable in her own skin**.
她花了好几年才能在自己的皮肤中感到舒适。
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

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

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

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

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

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

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

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

bear market

股价下跌的时期
Meaning
a period when stock prices are falling
Example
Many people lose money during a **bear market**.
很多人在**熊市**期间亏钱。
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

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。