carry out one's duties
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idiom

carry out one's duties

执行分配给自己的任务或责任
Meaning
to perform one's assigned tasks or responsibilities
Example
He always **carries out his duties** with honesty and dedication.
他总是以诚实和奉献精神完成自己的职责。
idiom

look into

调查或检查某事
Meaning
to investigate or examine something
Example
They promised to **look into** the billing error today.
他们承诺今天调查账单错误。
phrasal-verb

come out in favor of

公开支持或同意某事
Meaning
to publicly support or agree with something
Example
The committee **came out in favor of** the new proposal.
委员会**支持**了新的提案。
idiom

keep smiling

即使面对困难也保持愉快
Meaning
to stay cheerful even when facing difficulties
Example
Whatever happens, just **keep smiling**.
无论发生什么，保持微笑。
phrasal-verb

grow into confidence

逐渐发展自信与能力
Meaning
to gradually develop self-assurance and ability
Example
Over time, she **grew into confidence** in her managerial role.
随着时间的推移，她在她的管理角色中**逐渐获得了信心**。
phrasal-verb

gear up for adventure

为一些刺激的事情准备设备和心态
Meaning
to prepare equipment and mindset for something exciting
Example
We **gear up for adventure** by checking safety kits before the hike.
我们通过在徒步旅行前检查安全装备来为冒险做好准备。
phrasal-verb

stand firm for

为你相信的某人或某事坚定支持
Meaning
to remain supportive and steady for someone or something you believe in
Example
She **stood firm for** her friend even when others doubted him.
她坚定支持她的朋友，即使其他人怀疑他。
idiom

think twice

在采取行动之前仔细重新考虑一些事情
Meaning
to reconsider something carefully before acting
Example
You should **think twice** before making that deal.
在做这个交易之前你应该**三思而后行**。
phrasal-verb

pull together for

共同努力以达成某个目标
Meaning
to work jointly to achieve something
Example
Nations must **pull together for** a stable global economy.
各国必须为实现一个稳定的全球经济共同努力。
idiom

scratch someone's back

为某人做某事，以换取以后得到的帮助或好处
Meaning
to do something for someone in exchange for a favor or help later
Example
We agreed to **scratch each other's backs** in this business deal.
我们同意在这笔商业交易中互相**刮背**。
phrasal-verb

go on about

反复谈论某人的优点
Meaning
to talk repeatedly about someone’s good qualities
Example
He always **goes on about** how talented his daughter is.
他总是谈论他女儿有多么有才华
idiom

the real McCoy

真正的或原始的东西
Meaning
the genuine or original thing
Example
This painting is **the real McCoy**, not a copy.
这幅画是**zhe real McCoy**，不是一副复制品。
phrasal-verb

make after

追赶或追踪某人
Meaning
to chase or pursue someone
Example
The police **made after** the suspect immediately.
警察立即追赶了嫌疑人。
idiom

leave a carbon footprint

通过日常活动造成污染或环境影响
Meaning
to cause pollution or environmental impact through daily activities
Example
Flying frequently can **leave a large carbon footprint**.
频繁飞行可能会**留下大量碳足迹**。
idiom

outside the box

以不寻常或非常规的方式思考或行动
Meaning
thinking or acting in an unusual or unconventional way
Example
To solve this problem, we need to think **outside the box**.
为了解决这个问题，我们需要**跳出框框**思考。
phrasal-verb

expand into

将企业扩展到新的领域或部门
Meaning
to grow a business into new territories or sectors
Example
They are planning to **expand into** renewable energy markets.
他们计划在可再生能源市场扩展到。
idiom

feel like a new person

再次感觉清新和健康
Meaning
to feel refreshed and healthy again
Example
After a good night’s sleep, I **feel like a new person**.
经过一夜好眠后，我**感觉像一个新的人**。
phrasal-verb

step beyond

超出预期或允许的范围
Meaning
to go further than expected or allowed
Example
Her creativity always **steps beyond** traditional boundaries.
她的创造力总是超越传统的界限。
idiom

carry weight

拥有影响力或重要性
Meaning
to have influence or importance
Example
His opinion **carries a lot of weight** in this organization.
他的意见在这个组织中**具有很大的影响力**。
idiom

patch over

掩盖问题而不真正解决
Meaning
to cover up a problem without truly fixing it
Example
We can’t just **patch over** the security flaws.
我们不能仅仅掩盖安全漏洞。
idiom

back on one’s feet

恢复并再次变得健康
Meaning
to recover and be healthy again
Example
After a few days of rest, he’s finally **back on his feet**.
休息几天后，他终于**恢复过来**。
idiom

take a dim view of

不赞成某事; 拥有负面意见
Meaning
to disapprove of something; to have a negative opinion
Example
The manager **takes a dim view of** employees arriving late.
经理不赞成员工迟到。
idiom

hit it off

迅速而轻松地成为朋友
Meaning
to become friends quickly and easily
Example
They **hit it off** right after being introduced.
他们在介绍后立即成为了朋友。
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。
phrasal-verb

shout out to

公开承认或赞扬某人
Meaning
to publicly acknowledge or compliment someone
Example
Let’s **shout out to** everyone who helped organize the event.
让我们向所有帮助组织活动的人表示感谢。
idiom

hashtag activism

使用标签来支持在线的社会或政治原因
Meaning
using hashtags to support social or political causes online
Example
**Hashtag activism** can raise awareness but may not lead to real change.
**标签行动主义**可以提高意识，但不一定会带来真正的改变。
idiom

What’s done is done

对于过去的错误没有必要再担心了。
Meaning
There is no point in worrying about past mistakes.
Example
We can’t change the past, so **what’s done is done**.
我们不能改变过去，所以**做过的就是做过的**。
phrasal-verb

push for promotion

积极争取在工作中获得更高职位
Meaning
to actively try to get a higher position at work
Example
She decided to **push for promotion** after completing the leadership training.
她决定在完成领导力培训后**争取晋升**。
phrasal-verb

break past fear

克服恐惧并采取勇敢的行动
Meaning
to overcome fear and take courageous action
Example
You can only grow when you **break past fear** and take risks.
只有当你**克服恐惧**并承担风险时，你才能成长。
idiom

chicken out

因为害怕而决定不做某事
Meaning
to decide not to do something because of fear
Example
He was going to ask her out but **chickened out** at the last minute.
他本来要约她出去，但在最后一刻**临阵退缩**了。
idiom

feeling blue

感到悲伤或沮丧
Meaning
to feel sad or depressed
Example
She’s been **feeling blue** all day.
她整天都很伤心。
phrasal-verb

work under

在压力下工作
Meaning
to operate or perform duties while facing stress or conditions
Example
She can **work under** extreme pressure and still deliver quality results.
她可以在极大压力下工作，并且仍然交付高质量的结果。
idiom

make it to the top

达到成功的最高点
Meaning
to reach the highest point of success
Example
After years of hard work, he finally **made it to the top** of his career.
经过多年的辛勤工作，他终于**达到了事业的巅峰**。
idiom

fearless as a lion

非常勇敢和大胆
Meaning
to be very brave and bold
Example
The firefighter was **fearless as a lion** during the rescue.
消防员在营救过程中是**fearless as a lion**。
idiom

a close call

一个灾难或事故险些发生的情况。
Meaning
A situation where a disaster or accident was narrowly avoided.
Example
That was **a close call** — the car almost hit us!
那真是**千钧一发** — 车差点撞到我们！
phrasal-verb

wait around

在等某件事时待在某个地方什么都不做
Meaning
to stay somewhere doing nothing while waiting for something
Example
I had to **wait around** for hours before the meeting started.
我不得不等了几个小时，会议才开始。
idiom

Cross one’s mind

突然想到某事。
Meaning
To suddenly think of something.
Example
It never **crossed my mind** that he could be lying.
我从未**想过**他可能在撒谎。
idiom

android-like

像机器人一样没有情感或机械地行动
Meaning
acting emotionless or mechanical like a robot
Example
He works in an **android-like** manner, without any emotion.
他以**android-like**的方式工作，没有任何情感。
phrasal-verb

brag about

骄傲地谈论自己的或他人的成就
Meaning
to talk proudly about one’s or someone’s achievements
Example
He loves to **brag about** his team’s success.
他喜欢谈论他团队的成功。
phrasal-verb

blend in

自然地成为某个团体或文化的一部分
Meaning
to become part of a group or culture naturally
Example
He tried to **blend in** by learning the local customs and traditions.
他通过学习当地的风俗和传统，努力融入其中。
idiom

feel for

对某人有同情心
Meaning
to have sympathy for someone
Example
We really **feel for** anyone stuck in that traffic.
我们真的为任何被困在那个交通中的人感到同情。
phrasal-verb

grow beyond limits

在你认为可能的范围之外提升自己
Meaning
to improve yourself beyond what you thought possible
Example
You will **grow beyond limits** once you believe in your abilities.
一旦你相信自己的能力，你将超越极限。
idiom

give someone the creeps

让某人感到不舒服或害怕
Meaning
to make someone feel uncomfortable or afraid
Example
Old abandoned houses **give me the creeps**.
那些旧的废弃房子让我毛骨悚然。
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。
phrasal-verb

take it out on

通过对无辜的人发泄愤怒或沮丧来表达情绪
Meaning
to express anger or frustration by being unpleasant to someone not responsible
Example
Don’t **take it out on** your colleagues when you’re stressed.
当你感到有压力时，不要**把气出在**你的同事身上。
phrasal-verb

kick start

快速有效地开始某事
Meaning
to start something quickly and effectively
Example
The new project aims to **kick start** rural economic growth.
新项目旨在快速启动农村经济增长。
phrasal-verb

whip up

快速准备一顿饭
Meaning
to quickly prepare a meal
Example
She can **whip up** a healthy salad in minutes.
她可以在几分钟内准备一个健康的沙拉
idiom

push your luck

冒险希望获得更多成功
Meaning
take a risk hoping for more success
Example
You already got a discount, don’t **push your luck**.
你已经获得了折扣，不要再 **试探运气**。
idiom

fill out

通过提供信息来填写表格
Meaning
to complete a form by providing information
Example
Please **fill out** this survey after the workshop.
请在研讨会后填写此调查。
idiom

the cream of the crop

群体中最优秀的人或事物
Meaning
the best among a group of people or things
Example
Only **the cream of the crop** get into that university.
只有最优秀的人才能进入那所大学。
phrasal-verb

let feelings out

表达情感，而不是把它们憋在心里
Meaning
to express emotions instead of keeping them inside
Example
It's important to **let your feelings out** instead of hiding them.
重要的是**释放你的感情**而不是把它们藏起来。
phrasal-verb

shop around for

在购买之前比较价格或产品
Meaning
to compare prices or products before buying
Example
Many customers **shop around for** the best deals online.
许多顾客在线比较价格，寻找最优惠的交易。
idiom

talk around

通过讨论说服某人
Meaning
to persuade someone by discussion
Example
We finally **talked her around** to joining the team.
我们终于**说服了她**加入团队。
idiom

hit back

用力回应批评或攻击
Meaning
to reply to criticism or attack with force
Example
The team plans to **hit back** with a stronger strategy.
团队计划用更强大的策略进行反击。
phrasal-verb

acknowledge with

通过某种方式表示认可或感谢
Meaning
to show recognition or appreciation through something
Example
They **acknowledged with** a small gift for all his hard work.
他们通过送给他一个小礼物来表达对他辛勤工作的认可。
phrasal-verb

move beyond

超越之前的水平或限制
Meaning
to progress further than a previous level or limitation
Example
He tried to **move beyond** his earlier academic failures.
他试图**超越**自己以前的学术失败。
phrasal-verb

build upon research

以先前的研究为基础，推动创新
Meaning
to use previous studies as a base for innovation
Example
Scientists often **build upon research** to create groundbreaking solutions.
科学家常常**以先前的研究为基础**来创造创新的解决方案。
phrasal-verb

talk yourself into

说服自己做某事
Meaning
to persuade yourself to do something
Example
She finally **talked herself into** applying for the scholarship.
她终于说服自己申请奖学金。
phrasal-verb

copy down

写下某事，就像它是一样
Meaning
to write something exactly as it is
Example
Make sure to **copy down** the correct formula from the board.
确保从黑板上**复制下来**正确的公式。
phrasal-verb

cut down expenses

削减开支
Meaning
to reduce the amount of money spent
Example
To stay profitable, companies must **cut down expenses**.
为了保持盈利，企业必须削减开支。
idiom

make friends

交朋友
Meaning
to form new friendships
Example
It’s easy to **make friends** when you’re kind to others.
当你对别人友善时，很容易**交朋友**。
phrasal-verb

work out to

计算或得出某个金额
Meaning
to calculate or come to a certain amount
Example
The total cost **works out to** about $200.
总费用约为200美元。
idiom

True blue

忠诚和可信赖。
Meaning
Loyal and trustworthy.
Example
You can count on her; she’s **true blue**.
你可以依赖她；她非常忠诚。
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**。
phrasal-verb

ease tensions between

减少国家之间的冲突或敌对
Meaning
to reduce conflict or hostility between countries
Example
Efforts were made to **ease tensions between** the rival nations.
为减少敌对国家之间的紧张局势作出了努力。
phrasal-verb

hash through

彻底讨论某事以达到清晰
Meaning
to discuss something thoroughly to reach clarity
Example
Let's **hash through** the ethics policy before we publish.
在发布之前，让我们彻底讨论伦理政策。
phrasal-verb

set up for

为活动准备或安排某事
Meaning
to prepare or arrange something for an event
Example
They started to **set up for** the cultural fair early in the morning.
他们一大早就开始为文化博览会做准备。
phrasal-verb

clam up with

因为害羞或恐惧突然停止说话
Meaning
to suddenly stop talking because of shyness or fear
Example
He **clammed up with** embarrassment when everyone stared at him.
当每个人盯着他看时，他因为羞愧而沉默。
phrasal-verb

slip out

不小心说出来
Meaning
to say something unintentionally
Example
The secret just **slipped out** during the chat.
那个秘密在聊天时**不小心泄露了**。
phrasal-verb

build endurance

逐渐培养长时间坚持下去的能力
Meaning
to gradually develop the ability to keep going for a long time
Example
Athletes **build endurance** through consistent training.
运动员通过持续训练建立耐力。
phrasal-verb

cut out middlemen

直接交易而不使用中介
Meaning
to trade directly without using intermediaries
Example
The exporters decided to **cut out middlemen** and sell directly to buyers.
出口商决定**去除中介**，直接向买家销售。
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。
phrasal-verb

fume at

对某人或某事感到或表现愤怒
Meaning
to feel or show anger towards someone or something
Example
She was **fuming at** her friends for breaking her trust.
她因为朋友们破坏了她的信任而**生气**。
idiom

Patience pays off

耐心最终会带来积极的结果。
Meaning
Being patient will eventually lead to positive results.
Example
I know you’ve been waiting for a long time, but trust me, **patience pays off**.
我知道你等了很长时间，但相信我，耐心会得到回报。
phrasal-verb

knock out

击败某人使其无法继续比赛
Meaning
to defeat someone so they can no longer compete
Example
They **knocked out** the defending champions in the semi-final.
他们在半决赛中击败了防守冠军。
idiom

cry your heart out

因悲伤而大声哭泣
Meaning
to cry a lot due to sadness
Example
She **cried her heart out** after hearing the bad news.
听到坏消息后，她痛哭流涕。
phrasal-verb

stand against

强烈反对或抵制某事
Meaning
to oppose or resist something strongly
Example
He decided to **stand against** the unfair law.
他决定反对不公正的法律。
idiom

think tank

一群专家，发展新思想或政策
Meaning
a group of experts developing new ideas or policies
Example
The **think tank** proposed innovative educational reforms.
**思想库**提出了创新的教育改革。
idiom

a universe of possibilities

无尽的机会或选择
Meaning
endless opportunities or options
Example
Technology has opened **a universe of possibilities**.
技术开启了**无限的可能性**。
idiom

make strides

取得显著进展
Meaning
to make noticeable progress
Example
The company has really **made strides** in product development.
公司在产品开发方面确实**取得了显著进展**。
phrasal-verb

step down costs

逐渐减少开支
Meaning
to gradually reduce expenses
Example
The company will **step down costs** to increase profitability.
公司将减少成本以提高盈利能力。
phrasal-verb

speak highly of

称赞某人或某事
Meaning
to praise someone or something
Example
Everyone **speaks highly of** her work ethic.
每个人都高度评价她的职业道德。
idiom

rest easy

摆脱忧虑或恐惧
Meaning
to be free from worry or fear
Example
You can **rest easy** knowing everything is under control.
你可以放心，因为一切都在掌控之中。
idiom

a run on the bank

由于担心银行倒闭，许多人从银行提取他们的钱
Meaning
a situation where many people withdraw their money from a bank due to fear of collapse
Example
Rumors of insolvency caused **a run on the bank**.
破产的传闻引发了**银行挤兑**。
idiom

fly off the handle

以非常生气的方式反应，毫不思考
Meaning
to react in a very angry way without thinking
Example
He **flew off the handle** when someone scratched his new car.
当有人刮擦他的汽车时，他**飞出手柄**。
phrasal-verb

catch somebody out

展示某人犯错或撒谎
Meaning
to show that someone has made a mistake or is lying
Example
The teacher tried to **catch the student out** during the test.
老师在考试期间试图**抓住学生的错误**。
phrasal-verb

rinse off after

在活动后迅速洗净
Meaning
to quickly wash yourself following an activity
Example
I always **rinse off after** my evening workout.
我总是在晚上锻炼后冲洗。
phrasal-verb

keep cool

保持冷静
Meaning
to remain calm in a stressful situation
Example
It’s important to **keep cool** even when things go wrong.
即使事情出错，也要**保持冷静**。
phrasal-verb

draw out creativity

鼓励或激发某人的创造潜力
Meaning
to encourage or inspire someone’s creative potential
Example
The manager tried to **draw out creativity** from every team member.
经理试图从每个团队成员中激发创造力。
phrasal-verb

run away with

轻松获胜；未经许可拿走某物
Meaning
to win easily; to take something without permission
Example
Their team **ran away with** the championship.
他们的队伍**轻松赢得**了冠军。
idiom

nose to the grindstone

专注并长期努力工作
Meaning
to focus and work hard for a long time
Example
He kept his **nose to the grindstone** and got promoted.
他专心工作并得到了晋升。
idiom

add insult to injury

让糟糕的情况变得更糟
Meaning
to make a bad situation even worse
Example
First, they lost the game, and then, to **add insult to injury**, their bus broke down.
首先，他们输了比赛，然后，**雪上加霜**，他们的公交车坏了。
idiom

walk on air

感到非常高兴
Meaning
to feel very happy
Example
She was **walking on air** after hearing his message.
听到他的消息后，她**高兴得飘飘然**。
phrasal-verb

phase out of

逐渐停止使用或生产某物
Meaning
to gradually stop using or producing something
Example
The company decided to **phase out of** non-profitable divisions.
公司决定逐渐关闭非盈利部门。
phrasal-verb

move up professionally

在职业生涯中升迁至更高的职位或层次
Meaning
to advance to a higher position or level in one’s career
Example
He worked hard to **move up professionally** within the company.
他努力工作以在公司内**职业上升**
idiom

a political football

一个被政治家用来为自己谋取利益的问题
Meaning
an issue used by politicians for their own advantage
Example
Healthcare has become **a political football** in the country.
医疗保健已经成为国家中的**政治足球**。
phrasal-verb

phase out late nights

逐渐停止熬夜
Meaning
to gradually stop staying up very late
Example
I'm **phasing out late nights** so morning workouts feel better.
我正在 **逐渐减少熬夜**，以便早晨的锻炼感觉更好。
phrasal-verb

set time aside for

为某事预留时间
Meaning
to reserve part of your schedule for something
Example
I **set time aside for** journaling before bed.
我在睡觉前专门安排时间写日记。
idiom

teach an old dog new tricks

试图教某人一些因其年龄或经验而难以学习的东西
Meaning
to try to teach someone something that is difficult for them to learn due to their age or experience
Example
It's hard to **teach an old dog new tricks**, but I'll try.
很难**教一只老狗新把戏**，但我会试试看。
phrasal-verb

bring in reforms

引入改革以改善系统或政策
Meaning
to introduce changes to improve a system or policy
Example
The new government promised to **bring in reforms** to strengthen the economy.
新政府承诺引入改革以加强经济。
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。
phrasal-verb

get back up

在摔倒或失败后恢复
Meaning
to recover after falling or failing
Example
When life knocks you down, **get back up** and try again.
当生活击倒你时，**get back up** 并重新尝试。
idiom

break down

因强烈的情绪而开始哭泣
Meaning
to start crying due to strong emotions
Example
She **broke down** when she heard the sad news.
她听到悲伤的消息时崩溃了。
idiom

light years ahead

比其他人先进得多
Meaning
far more advanced than others
Example
This new smartphone is **light years ahead** of its competitors.
这款新智能手机比竞争对手领先很多。
phrasal-verb

snap back

生气或恼怒时做出尖锐回应
Meaning
to reply sharply when angry or irritated
Example
He **snapped back** when his boss blamed him unfairly.
当老板不公平地责备他时，他**反击**了。
idiom

set the bar high

设定高标准或期望
Meaning
to establish high standards or expectations
Example
Her achievements have **set the bar high** for future leaders.
她的成就为未来的领导者设定了高标准。
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

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

a leopard can't change its spots

一个人不能改变他们与生俱来的本性或特征
Meaning
someone cannot change their inherent nature or characteristics
Example
No matter how hard he tries, **a leopard can't change its spots**.
不管他怎么努力，一只豹子不能改变它的斑点。
phrasal-verb

back away from blame

在争论中避免将责任推给别人或自己
Meaning
to avoid putting blame on others or oneself during a disagreement
Example
It’s wise to **back away from blame** and focus on solutions.
明智的做法是 **回避责备**，并专注于解决方案。
idiom

golden opportunity

一个非常好的机会；稀有的机会
Meaning
a very good chance; rare opportunity
Example
This is a **golden opportunity** to show your talent.
这是一个**黄金机会**展示你的才华。
idiom

light the fire

激励或鼓舞人们充满热情地行动
Meaning
to inspire or motivate people to act passionately
Example
Her speech really **lit the fire** in the employees’ hearts.
她的演讲真正点燃了员工们心中的火焰。
idiom

plug and play

使用简单，无需复杂设置
Meaning
easy to use without complex setup
Example
The new printer is **plug and play** – no installation needed.
这台新打印机是 **plug and play**，无需安装。
idiom

law of the jungle

强者生存；缺乏秩序或法律
Meaning
survival of the strongest; lack of order or law
Example
In war, the **law of the jungle** often applies.
在战争中，**丛林法则**常常适用。
idiom

keep your mind on

专注于任务或目标
Meaning
to stay focused on a task or goal
Example
If you **keep your mind on** your studies, you’ll do well.
如果你**保持你的心思**在学习上，你会做得很好。
phrasal-verb

pivot to

应对挑战或新机会时改变方向或策略
Meaning
to change direction or strategy in response to challenges or new opportunities
Example
When their initial product failed, the startup decided to **pivot to** a new market.
当他们的初始产品失败时，初创公司决定**转向**一个新市场。
idiom

A flash of inspiration

突如其来的创意
Meaning
A sudden creative idea
Example
He had **a flash of inspiration** while working late at night.
他在深夜工作时有了**灵感的闪现**。
phrasal-verb

shut off from

停止与他人沟通或分享情感
Meaning
to stop communicating or sharing emotions with others
Example
After the argument, he **shut himself off from** everyone for days.
争吵后，他**与所有人断开**了好几天。
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

answer the call of duty

履行某人的义务，尤其是在困难情况下
Meaning
to fulfill one's obligation, especially in a difficult situation
Example
Firefighters **answered the call of duty** during the massive fire.
消防员在大火中履行了他们的职责。
idiom

double back

转身并回到你来的路
Meaning
to turn around and go back the way you came
Example
We had to **double back** to grab the projector.
我们不得不返回去拿投影仪。