Behind the curve
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idiom

Behind the curve

相比竞争对手，处于落后或发展较慢的状态。
Meaning
To be less advanced or slow compared to competitors.
Example
Our company is **behind the curve** in adopting AI technologies.
我们的公司在采用人工智能技术方面落后于竞争对手。
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

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

bright spark

一个非常聪明或有才华的人
Meaning
a very clever or talented person
Example
The new intern is a real **bright spark** with great ideas.
新的实习生是一个真正的**bright spark**，拥有很棒的想法。
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

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

black box

一个工作原理不被理解或不透明的系统或过程
Meaning
a system or process whose workings are not understood or transparent
Example
The neural network is often described as a **black box** because its decision-making process is not fully transparent.
神经网络通常被描述为一个**黑盒**，因为其决策过程并不完全透明。
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

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

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

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

breaking the deadlock

结束没有进展的情况
Meaning
to end a situation where no progress is being made
Example
The negotiation team succeeded in **breaking the deadlock**.
谈判团队成功地**打破僵局**。
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

backdoor entry

一种秘密或非官方的方式进入某物
Meaning
a secret or unofficial way to access something
Example
Hackers found a **backdoor entry** into the company’s database.
黑客找到了公司数据库中的**后门入口**。
idiom

beat around the bush

避免谈论主要话题
Meaning
to avoid talking about the main topic
Example
Stop **beating around the bush** and tell me what happened.
不要绕圈子，告诉我发生了什么。
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

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 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

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

bent over backwards

非常努力地帮助或取悦某人
Meaning
to try very hard to help or please someone
Example
She **bent over backwards** to make sure everyone was happy.
她**弯腰后仰**确保每个人都很高兴。
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

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

burn rubber

开得非常快
Meaning
to drive very fast
Example
They **burned rubber** as they raced to the hospital.
他们飞快地驶向医院。
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

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

Blue ocean strategy

创造一个几乎没有竞争的新市场空间。
Meaning
Creating a new market space with little or no competition.
Example
Their **blue ocean strategy** helped them dominate a new market.
他们的**蓝海战略**帮助他们在新市场中占据主导地位。
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

blow away the cobwebs

在不活跃后让身心焕然一新
Meaning
to refresh one’s mind or body after inactivity
Example
A short walk helped me **blow away the cobwebs**.
一次短暂的散步帮助我**焕然一新**。
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 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

bear the responsibility

承担某事的责任
Meaning
to take on the duty of something
Example
She was willing to **bear the responsibility** for the new project.
她愿意为这个新项目承担责任。
idiom

burn out

由于过度工作而变得非常疲劳并失去动力
Meaning
to become very tired and lose motivation due to overwork
Example
If you don’t rest, you’ll **burn out** soon.
如果你不休息，你很快就会**精疲力尽**。
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

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

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

bottle up your feelings

隐藏或压抑你的情感
Meaning
to hide or suppress your emotions
Example
Don't **bottle up your feelings**; talk about them.
不要**压抑你的情感**；谈论它们。
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

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

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

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

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

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

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

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

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

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

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

break into

成功进入一个新领域或职业
Meaning
to enter a new field or profession successfully
Example
She managed to **break into** the film industry last year.
她去年成功进入了电影行业。
idiom

balance the books

确保收入和支出相等
Meaning
to make sure income and expenses are equal
Example
The accountant worked late to **balance the books**.
会计加班工作，直到**平衡账本**。
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

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

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

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

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

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

bite the byte

应对困难的技术挑战
Meaning
to deal with a difficult technological challenge
Example
Developers had to **bite the byte** to fix the software issue.
开发人员必须 **bite the byte** 来修复软件问题。
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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

botnet

一组感染了恶意软件的计算机网络，能够被黑客远程控制
Meaning
a network of computers infected with malware that are controlled remotely by a hacker
Example
The hacker used the **botnet** to launch a massive DDoS attack on the server.
黑客利用**僵尸网络**发动了大规模的DDoS攻击。
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

bury the differences

忘记争执，重新成为朋友
Meaning
to forget disagreements and be friendly again
Example
They decided to **bury their differences** and work together.
他们决定**埋葬他们的分歧**，一起工作。
idiom

burn one’s fingers

因为自己的错误而受苦
Meaning
to suffer because of one’s own mistake
Example
He **burned his fingers** by investing in a risky business.
他因为投资于一个冒险的生意而受到了损失。
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

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

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

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

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

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

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 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

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

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

bootstrap a startup

在没有外部资金的情况下利用有限资源建立业务
Meaning
to build a business using limited resources without external funding
Example
Many successful founders **bootstrapped their startups** in the early days.
许多成功的创始人在早期就**自筹资金启动了他们的初创公司**。
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

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

bring home the bacon

赚取钱财养家
Meaning
to earn money to support the family
Example
He works hard every day to **bring home the bacon**.
他每天努力工作，以便赚取钱财养家。
idiom

be sure of yourself

对你的能力或意见有信心
Meaning
to have confidence in your abilities or opinions
Example
To be a leader, you must **be sure of yourself**.
成为一名领导者，你必须对自己有信心。
idiom

back off

离开或停止给某人压力
Meaning
to move away or stop pressuring someone
Example
Let’s **back off** and give them space to decide.
让我们**退一步**，给他们一些决定的空间。
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

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

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

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

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

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

boil down to

归结为某个主要原因或要点
Meaning
to have something as the main point or reason
Example
The argument **boiled down to** a simple misunderstanding.
争论**归结为**一个简单的误会。
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

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

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

bounce back

在挫折或失败后迅速恢复
Meaning
to recover quickly after a setback or failure
Example
She **bounced back** after losing the competition.
她在输掉比赛后迅速恢复了过来。
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

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

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

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

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

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

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

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

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

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

bust someone

逮捕或抓住某人做非法的事情
Meaning
to arrest or catch someone doing something illegal
Example
The officer was able to **bust someone** for selling drugs.
警察成功地逮捕了一个卖毒品的人。
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

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

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。
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

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

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

backpropagation

一种用于神经网络的学习算法，通过调整网络中的权重来最小化错误
Meaning
a learning algorithm used in neural networks to minimize error by adjusting weights through the network
Example
The **backpropagation** algorithm helps in optimizing the neural network's performance.
反向传播算法有助于优化神经网络的性能。
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。