answer the call of duty
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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

a million-dollar smile

一个美丽而迷人的微笑
Meaning
a beautiful and charming smile
Example
She greeted everyone with **a million-dollar smile**.
她用百万美元的微笑迎接了每一个人。
idiom

A peaceful mind is a happy mind

心境的平静带来幸福和满足。
Meaning
Mental calmness leads to happiness and contentment.
Example
She believes that **a peaceful mind is a happy mind**.
她认为**平静的心灵是幸福的心灵**。
idiom

a cold fish

一个没有情感或不友好的人
Meaning
someone who is unemotional or not friendly
Example
He seemed **a cold fish** when I first met him.
当我第一次见到他时，他看起来像一个冷淡的人。
idiom

as honest as the day is long

完全诚实和值得信赖
Meaning
completely honest and trustworthy
Example
Everyone knows that Tom is **as honest as the day is long**.
每个人都知道汤姆是**像白天一样诚实**。
phrasal-verb

adhere to principles

继续遵守或遵循道德规则或信仰
Meaning
to continue to obey or follow moral rules or beliefs
Example
A true professional should **adhere to principles** even under pressure.
一个真正的专业人士即使在压力下也应该**adhere to principles**。
idiom

a tough cookie

一个强大的人，不容易被打扰
Meaning
someone who is strong and not easily upset
Example
She’s **a tough cookie**; nothing can discourage her.
她是**a tough cookie**; 没有什么可以让她灰心。
idiom

a snake in the grass

一个秘密的敌人
Meaning
a secret enemy
Example
Be careful; there’s **a snake in the grass**.
小心；草丛里有一个秘密敌人。
idiom

ace the test

在考试或任务中表现出色
Meaning
to perform extremely well on an exam or task
Example
She **aced the test** and got the highest score.
她**考试通过**并获得了最高分。
idiom

a party animal

喜欢参加派对的人
Meaning
someone who loves going to parties
Example
My roommate is **a party animal**; she goes out every weekend.
我的室友是**a party animal**；她每个周末都会出去。
phrasal-verb

allocate to

将资源分配或分发到特定的任务或个人
Meaning
to assign or distribute resources to a specific task or person
Example
The manager decided to **allocate** more funds **to** the marketing team.
经理决定将更多资金分配给营销团队。
idiom

a chapter of one’s life

人生中的一个阶段或时期
Meaning
a period or stage in someone’s life
Example
Leaving college was the end of an important **chapter of her life**.
离开大学是她人生中一个重要篇章的结束。
idiom

a political hot potato

一个有争议或敏感的政治问题
Meaning
a controversial or sensitive political issue
Example
Immigration has become **a political hot potato** in the country.
移民问题已成为该国的**政治烫手山芋**。
idiom

a bone of contention

一个分歧或争议的主题
Meaning
a subject of disagreement or dispute
Example
Money has always been **a bone of contention** between them.
钱一直是他们之间的**争议点**。
idiom

At the drop of a hat

立即；毫不犹豫。
Meaning
Immediately; without hesitation.
Example
He’s ready to help **at the drop of a hat**.
他准备好**毫不犹豫**地帮助。
idiom

a thorn in the flesh

一些或某人造成持续的麻烦或烦恼
Meaning
something or someone that causes continuous trouble or annoyance
Example
The new regulations have been **a thorn in the flesh** for small business owners.
新规定对小企业主来说已经成为了**肉中的刺**。
idiom

at the cutting edge

在一个领域中的最先进位置
Meaning
at the most advanced position in a field
Example
The lab is **at the cutting edge** of medical research.
实验室处于**医学研究的最前沿**。
idiom

a quantum leap

一次巨大的突然改善
Meaning
a big and sudden improvement
Example
This discovery is **a quantum leap** in medical research.
这个发现是医学研究中的**量子飞跃**。
idiom

a ticking time bomb

一个随时可能变得危险的情况或人。
Meaning
A situation or person that could become dangerous at any moment.
Example
His anger issues make him **a ticking time bomb**.
他的愤怒问题让他成为一颗定时炸弹。
idiom

a thorn in one's side

不断的烦恼或问题的来源
Meaning
a constant source of annoyance or trouble
Example
The trade dispute has become **a thorn in our side**.
贸易争端已成为**我们侧面的刺**。
idiom

ahead of the pack

比竞争对手更成功
Meaning
to be more successful than competitors
Example
Her innovative ideas always keep her **ahead of the pack**.
她的创新想法总是让她保持在竞争对手之前。
idiom

at loggerheads

在强烈的分歧或冲突中
Meaning
in strong disagreement or conflict
Example
The two departments have been **at loggerheads** over the new policy.
这两个部门在新政策上存在强烈的分歧。
idiom

adapt to change

适应新的环境或情况
Meaning
to adjust to new circumstances or environments
Example
In order to succeed, you must learn to **adapt to change**.
为了成功，你必须学会适应变化。
idiom

adapt to the changing times

适应新的条件或环境
Meaning
to adjust to new conditions or circumstances
Example
In order to survive in this fast-paced world, you must **adapt to the changing times**.
为了在这个快节奏的世界中生存，你必须**适应变化的时代**。
phrasal-verb

adapt from experience

根据所学的内容改变行为或方法
Meaning
to change behavior or methods based on what one has learned
Example
Good leaders **adapt from experience** to face new challenges.
优秀的领导者**从经验中适应**以应对新的挑战。
idiom

a bundle of joy

某人或某物带来巨大的幸福
Meaning
someone or something that brings great happiness
Example
Their new baby is **a bundle of joy** for the family.
他们的新宝宝是家庭的**快乐源泉**。
idiom

at the top of one’s game

处于最佳状态
Meaning
to be performing at one’s best level
Example
The athlete is **at the top of his game** this season.
这位运动员本赛季处于最佳状态。
idiom

at the eleventh hour

在最后时刻
Meaning
at the very last moment
Example
He submitted his assignment **at the eleventh hour**.
他在最后时刻提交了他的作业。
idiom

AI-powered

使用人工智能运行的
Meaning
referring to systems or applications that use artificial intelligence to function
Example
The company launched an **AI-powered** assistant to help customers find products more easily.
该公司推出了一个**人工智能驱动的**助手，帮助客户更容易找到产品。
idiom

As green as grass

非常没有经验或刚开始做某事。
Meaning
Very inexperienced or new at something.
Example
He’s **as green as grass** in his new job.
他在新工作中完全没有经验。
idiom

a happy camper

一个对生活感到满足和满足的人
Meaning
a person who is content and satisfied with life
Example
After getting the job, he’s been **a happy camper**.
得到这份工作后，他一直是一个**快乐的露营者**。
idiom

an apple a day keeps the doctor away

健康的饮食有助于保持健康
Meaning
eating healthy food helps you stay well
Example
My mom always says, '**An apple a day keeps the doctor away**.'
我妈妈总是说，'每天一个苹果能让医生远离。'
idiom

adapt or die

为了生存，必须适应不断变化的环境
Meaning
to survive, one must adjust to changing conditions
Example
In business, it’s **adapt or die**.
在商业中，这是**适应或死**。
idiom

a Eureka moment

突然的发现或顿悟时刻
Meaning
a moment of sudden discovery or realization
Example
He had **a Eureka moment** when he solved the equation.
他在解决方程时经历了**尤里卡时刻**。
idiom

a weight off one's shoulders

解决问题或负担后的轻松感觉
Meaning
a feeling of relief after a problem or burden is resolved
Example
When she finished the project, it felt like a **weight off her shoulders**.
当她完成项目时，她感觉像肩上的重担被卸下了一样。
idiom

air gap

安全与不安全系统之间的物理隔离
Meaning
a physical separation between secure and insecure systems
Example
Critical networks are kept **air-gapped** to prevent unauthorized access.
关键网络被**气隔离**以防止未经授权的访问。
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。
idiom

a paradigm shift

方法或基本假设的根本变化
Meaning
a fundamental change in approach or underlying assumptions
Example
The invention of the internet marked a **paradigm shift** in communication and information sharing.
互联网的发明标志着通信和信息共享的**范式转变**。
idiom

a daydreamer

一个花很多时间想着愉快事情而不是工作的人的人
Meaning
someone who spends a lot of time thinking about pleasant things rather than working
Example
She’s **a daydreamer** who often forgets what she’s doing.
她是一个**白日梦者**，经常忘记自己在做什么。
idiom

a weak link

系统或小组中最不可靠或最不安全的部分
Meaning
the least reliable or secure part of a system or group
Example
One careless employee can be **a weak link** in the security chain.
一个不小心的员工可能是安全链中的**薄弱环节**。
idiom

a heart of steel

一个情感上坚强且不屈的人
Meaning
someone who is emotionally strong and unyielding
Example
Despite all the challenges, he handled everything with **a heart of steel**.
尽管面临所有挑战，他以**铁一般的心脏**应对了一切。
idiom

Apple of my eye

某人你深深地爱着。
Meaning
Someone you love dearly.
Example
Her son is the **apple of her eye**.
她的儿子是她的**眼中钉**。
phrasal-verb

appreciate for

认识到某人或某物的价值
Meaning
to recognize the value of someone or something
Example
I really **appreciate you for** staying late to finish the work.
我真的**很欣赏你**为了完成工作而留下到很晚。
idiom

Above reproach

完全诚实且没有缺陷。
Meaning
Completely honest and without fault.
Example
Her integrity is **above reproach**.
她的诚信无可挑剔。
idiom

a bumper crop

异常丰收
Meaning
an unusually large harvest
Example
Farmers are happy this year because of **a bumper crop** of rice.
农民们今年很高兴，因为**丰收的稻米**。
idiom

a chip off the old block

像父母一样相似的人
Meaning
someone who is very similar to their parent
Example
Your daughter is so smart — she’s **a chip off the old block**.
你的女儿真聪明——她是**老块的一个碎片**。
idiom

a fool and his money are soon parted

那些不小心管理自己钱财的人，很快就会失去它
Meaning
people who are careless with their money will lose it quickly
Example
He spent all his money on useless gadgets; **a fool and his money are soon parted**.
他把所有的钱都花在了无用的电子产品上；**傻瓜和他的钱很快就会分开**。
idiom

artificial genius

由人类创造的极其聪明的系统
Meaning
an exceptionally smart system created by humans
Example
Chatbots have become the face of **artificial genius**.
聊天机器人已成为人工智慧的代表。
idiom

a shot in the arm

给人鼓励或能量的东西
Meaning
something that gives encouragement or energy
Example
The new funding was **a real shot in the arm** for the project.
新的资金对项目来说是**真正的强心针**。
idiom

a tough act to follow

某事如此令人印象深刻，以至于其他人难以匹配或超越
Meaning
something so impressive that others find it hard to match or surpass
Example
His last performance was **a tough act to follow**.
他的最后一次表演是**一个难以超越的精彩表演**。
idiom

a gift from the heavens

一种祝福或非常特别的东西
Meaning
a blessing or something very special
Example
Her support during the tough times was **a gift from the heavens**.
她在困难时刻的支持是来自天堂的礼物。
idiom

A political animal

一个非常感兴趣并且有才华的人
Meaning
A person who is very interested in politics and has a talent for it
Example
He’s known to be a real **political animal**.
他以一个真正的**政治动物**而闻名。
idiom

AI accountability

开发者和组织的责任是确保人工智能系统公平、安全和道德地运作。
Meaning
the responsibility of developers and organizations to ensure AI systems act fairly, safely, and ethically.
Example
Ensuring **AI accountability** is essential to avoid harmful consequences in society.
确保**AI 责任**对于避免社会中有害的后果至关重要。
idiom

age before beauty

幽默地用来让年长的人先行
Meaning
used humorously to let an older person go first
Example
He opened the door and said, '**Age before beauty**,' letting his grandmother enter first.
他打开门说：“**年龄先于美貌**”，让他的奶奶先进去。
phrasal-verb

acknowledge with thanks

正式接受某物并感谢赠予者
Meaning
to formally accept something and thank the giver
Example
We **acknowledge with thanks** the donation from our partners.
我们对合作伙伴的捐赠表示感谢。
idiom

At a snail’s pace

非常慢。
Meaning
Very slowly.
Example
The traffic was moving **at a snail’s pace**.
交通以**蜗牛的速度**行驶。
idiom

a social butterfly

一个非常社交并且喜欢与人见面的人
Meaning
someone who is very social and enjoys meeting people
Example
He’s **a social butterfly**, always at some event or gathering.
他是**社交蝴蝶**，总是在某个活动或聚会上。
idiom

As I see it

根据我的理解或意见
Meaning
According to my understanding or opinion
Example
As I see it, we need to try a different strategy.
在我看来，我们需要尝试不同的策略。
idiom

a man with a mission

一个有强烈目标和决心实现某事的人
Meaning
a person with strong purpose and determination to achieve something
Example
He’s **a man with a mission** to change the way we think about education.
他是一个**有使命的人**，要改变我们对教育的看法。
B1 idiom

all ears

非常专心地听
Meaning
Listening very attentively
Example
When the teacher started explaining the concept, the students were all ears.
当老师开始解释这个概念时，学生们都非常专心地听着。
idiom

a giant leap for mankind

一次重大的或开创性的成就
Meaning
a significant or groundbreaking achievement
Example
The first man landing on the moon was truly **a giant leap for mankind**.
第一个登月的人真的是**人类的伟大飞跃**。
idiom

A watched pot never boils

当你等待某事时，时间感觉更长。
Meaning
Time feels longer when you are waiting for something.
Example
Don't keep looking at the clock; **a watched pot never boils**.
不要一直看着钟；**被盯着的壶永远不会开**。
phrasal-verb

ally with

与某人联手共同追求共同目标或利益
Meaning
to join forces with someone for a shared cause or benefit
Example
The developing nations **allied with** each other to negotiate better trade terms.
发展中国家与其他国家**结盟以**谈判更好的贸易条款。
idiom

A solid foundation

一个强大且可靠的基础或起点。
Meaning
A strong and reliable base or starting point.
Example
The success of this company is built on a **solid foundation** of hard work and dedication.
这家公司的成功建立在**坚实的基础**上，靠的是辛勤工作和奉献精神。
idiom

a blank slate

一个没有任何先前知识或经验的人
Meaning
a person with no prior knowledge or experience
Example
He came to the school like a **blank slate**.
他像一张**空白纸**一样来到学校。
idiom

a masterpiece

一件杰出的艺术作品或成就
Meaning
an outstanding work of art or achievement
Example
Her latest sculpture is truly **a masterpiece**.
她的最新雕塑真的是**一件杰作**。
idiom

a piece of the puzzle

更大情况或问题的小部分
Meaning
a small part of a larger situation or problem
Example
Finding the right team is just **a piece of the puzzle** in creating a successful business.
找到合适的团队只是创建成功企业中的**一块拼图**。
idiom

As far as I can tell

根据我理解的；根据我知道的
Meaning
As I understand; based on what I know
Example
As far as I can tell, everything is fine.
根据我理解的，一切都很好。
idiom

a fair trial

一个所有方都被平等和公正对待的审判
Meaning
a trial where all sides are treated equally and justly
Example
The defendant demanded **a fair trial** to prove his innocence.
被告要求**一个公正的审判**来证明他的无辜。
idiom

a bug in the system

程序或系统中的问题或错误
Meaning
a problem or error in a program or system
Example
There seems to be **a bug in the system** causing slow performance.
似乎 **系统中有一个bug**，导致性能缓慢。
phrasal-verb

aim for

努力实现特定目标
Meaning
to try to achieve a particular goal
Example
You should **aim for** continuous improvement in your work.
你应该**致力于**你工作的持续改进。
idiom

a trusted ally

一个可以信任并且可靠的人或团体
Meaning
a person or group that is trusted and reliable
Example
She has always been **a trusted ally** in our business ventures.
她一直是我们商业计划中的**一个可信赖的盟友**。
idiom

artificial instinct

机器做出看似自然或类似人类的决策的能力
Meaning
a machine’s ability to make decisions that seem natural or human-like
Example
The new model shows a kind of **artificial instinct** while driving.
新模型在驾驶时展示了一种**人工本能**。
idiom

a step in the right direction

朝着目标前进的小行动
Meaning
a small action that leads to progress towards a goal
Example
Completing the first phase of the project is definitely **a step in the right direction**.
完成项目的第一阶段无疑是 **a step in the right direction**。
idiom

A bird in the hand is worth two in the bush

拥有的东西比冒险失去它去争取更好的东西要好。
Meaning
It’s better to hold onto something you have than risk losing it by trying to get something better.
Example
I decided to keep the job offer I already have because **a bird in the hand is worth two in the bush**.
我决定保留我已经收到的工作邀请，因为**一鸟在手胜过两鸟在林**。
idiom

a bridge too far

一个过于雄心勃勃或无法实现的尝试或目标
Meaning
an attempt or goal that is too ambitious or impossible to achieve
Example
The proposal to negotiate with all the countries at once was **a bridge too far**.
同时与所有国家谈判的提议是**一座太远的桥**。
idiom

a weight off your shoulders

从处理压力情境后的解脱
Meaning
relief after dealing with a stressful situation
Example
Finishing the project felt like **a weight off my shoulders**.
完成这个项目就像把肩上的重担卸下来。
idiom

a feather in one’s cap

值得骄傲的成就
Meaning
an achievement to be proud of
Example
Winning the national award was **a feather in his cap**.
赢得全国奖项是他值得骄傲的成就。
idiom

act the part

以符合特定角色或情境的方式行事
Meaning
to behave in a way that fits a particular role or situation
Example
If you want to be treated like a leader, you need to **act the part**.
如果你想像一个领导者一样被对待，你需要**扮演角色**。
idiom

A true friend is one who stands by you

一个真正的朋友会在你困难的时候陪伴你
Meaning
A true friend will be there for you during difficult times
Example
Even in the worst of times, she proved to be a true friend. **A true friend is one who stands by you**.
即使在最糟糕的时候，她证明了自己是一个真正的朋友。**一个真正的朋友会在你困难的时候陪伴你**。
idiom

A Scrooge

一个非常吝啬或小气的人。
Meaning
A very stingy or miserly person.
Example
Don’t be **a Scrooge**—it’s Christmas!
别做吝啬鬼——现在是圣诞节！
idiom

an old hand

在某事上非常有经验的人
Meaning
someone very experienced at something
Example
She’s **an old hand** at managing big events.
她是管理大型活动的**老手**。
phrasal-verb

add up to

形成总金额；在财务上有意义
Meaning
to result in a total amount; to make sense financially
Example
All these small expenses **add up to** a large amount by the end of the month.
所有这些小费用到月末会**加起来**成为一笔大钱。
idiom

a bitter pill to swallow

一个难以接受的不愉快事实或情况
Meaning
an unpleasant fact or situation to accept
Example
Losing the championship was **a bitter pill to swallow** for the team.
输掉冠军对团队来说是一个难以接受的事实。
phrasal-verb

ask out

邀请某人和你一起去某个地方，尤其是去约会
Meaning
to invite someone to go somewhere with you, especially on a date
Example
He finally had the courage to **ask out** his coworker for dinner.
他终于鼓起勇气邀请他的同事去吃晚餐。
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

a heart of gold

一个非常友善和关心他人的人
Meaning
someone who is very kind and caring
Example
She has **a heart of gold**, always helping anyone in need.
她有**一颗金子般的心**，总是帮助有需要的人。
idiom

A Jekyll and Hyde

一个人格中有两个完全不同面的人。
Meaning
A person with two very different sides to their personality.
Example
He’s like **a Jekyll and Hyde**—nice one moment and cruel the next.
他就像一个杰基尔与海德——一会儿温柔，一会儿残酷。
idiom

a work of art

非常美丽或巧妙制作的东西
Meaning
something very beautiful or skillfully made
Example
Her wedding dress was truly **a work of art**.
她的婚纱真的是**一件艺术品**。
idiom

a glimmer of hope

在困难的情况下改善或成功的微小迹象
Meaning
a small sign of improvement or success in a difficult situation
Example
Even in the hardest times, he never gave up because there was always **a glimmer of hope**.
即使在最艰难的时期，他也从未放弃，因为总有**一线希望**。
idiom

A giant leap

一个重要的进步或成就。
Meaning
A significant advancement or achievement.
Example
Landing on the moon was **a giant leap** for mankind.
登月是人类的一大飞跃。
phrasal-verb

agree upon

就某事达成共识或决定
Meaning
to reach a shared understanding or decision on something
Example
Both nations **agreed upon** a trade policy that benefits their people.
两国**就**一项对人民有利的贸易政策达成一致。
idiom

above the law

不受法律约束；认为自己无法被规则触及
Meaning
not subject to the law; thinking one is untouchable by rules
Example
Some powerful people act as if they are **above the law**.
一些有权势的人表现得像他们 **高于法律**。
idiom

art imitates life

艺术反映真实生活的经历或真理
Meaning
art reflects real-life experiences or truths
Example
**Art imitates life**, and great artists capture that essence.
**艺术模仿生活**，伟大的艺术家捕捉到这一本质。
idiom

Ask a million questions

非常好奇，问很多问题。
Meaning
To be extremely curious and ask many questions.
Example
Kids often **ask a million questions** about everything.
孩子们常常问**一百万个问题**关于一切。
phrasal-verb

adapt over time

逐渐适应变化或新环境
Meaning
to gradually adjust to changes or new circumstances
Example
Teams often **adapt over time** as they face different challenges.
团队通常会**随着时间的推移适应**不同的挑战。
idiom

a wolf in sheep's clothing

看起来无害但实际上很危险的人
Meaning
someone who appears harmless but is actually dangerous
Example
He was **a wolf in sheep's clothing**.
他是披着羊皮的狼。
idiom

A hit piece

一篇旨在损害某人声誉的文章或报道，通常是带有偏见或不公平的方式。
Meaning
A story or article intended to damage someone's reputation, often in a biased or unfair way.
Example
The editor criticized the paper for publishing such a **hit piece** on the politician.
编辑批评该报刊登这样一篇针对政客的 **hit piece**。
idiom

a closed book

某事或某人很难理解
Meaning
something or someone that is difficult to understand
Example
He’s **a closed book** when it comes to his personal life.
当涉及到他的个人生活时，他就像一本封闭的书。
idiom

A leap of faith

即使没有证据或证明，仍然相信某事。
Meaning
Believing in something even without evidence or proof.
Example
When she took the job offer, it was truly **a leap of faith**.
当她接受工作邀请时，真的 **信念的一跃**。
idiom

Airhead

一个傻乎乎或愚蠢的人。
Meaning
A silly or foolish person.
Example
Don't be such an **airhead**, pay attention!
不要那么傻，集中注意力！
idiom

addiction to something

强烈且有害的做某事或使用某物的需求
Meaning
a strong and harmful need to do or use something
Example
He is struggling with his **addiction to smoking**.
他在与他的**吸烟成瘾**作斗争。
idiom

alien concept

一些陌生或奇怪的东西
Meaning
something unfamiliar or strange
Example
Honesty seems like an **alien concept** to him.
诚实对他来说就像一个**外星概念**。
idiom

At the end of one’s rope

累到无法再应对任何事。
Meaning
To be so tired or frustrated that you can’t deal with anything more.
Example
After working nonstop for weeks, I was **at the end of my rope**.
连续几个星期不停地工作后，我已经**筋疲力尽**。
idiom

A Romeo

一个热情的情人或浪漫的男人。
Meaning
A passionate lover or a romantic man.
Example
He acts like **a Romeo** around her.
他在她身边表现得像一个罗密欧。
idiom

against the ropes

处于困难的情况或接近失败
Meaning
in a difficult situation or near defeat
Example
The company was **against the ropes**, but it managed to recover.
公司陷入困境，但设法恢复了。
phrasal-verb

allow time for

确保你有足够的时间做未来的事情
Meaning
to make sure you have enough time to do something in the future
Example
Always **allow time for** unexpected delays.
始终为意外的延迟留出时间。
idiom

A clear conscience is a soft pillow

当你诚实时，你会平静地睡觉，没有愧疚感。
Meaning
When you live honestly, you sleep peacefully without guilt.
Example
After telling the truth, he had a peaceful night’s sleep because **a clear conscience is a soft pillow**.
告诉真相后，他度过了一个安静的夜晚，因为**清晰的良心是一个柔软的枕头**。
phrasal-verb

appeal to

正式或真诚地请求某人帮助
Meaning
to ask someone earnestly or formally for help
Example
The charity **appealed to** the public for donations.
慈善机构**向**公众呼吁捐款。
idiom

a change of heart

某人的意见或情感的变化
Meaning
a change in one’s opinion or feelings
Example
She had **a change of heart** and decided to stay.
她有了**改变主意**，决定留下来。
idiom

alien invasion

某物的突然到来或压倒性的存在感
Meaning
a sudden arrival or overwhelming presence of something unfamiliar
Example
The mall felt like an **alien invasion** during the sale.
商场在促销期间感觉就像是**外星人入侵**。
idiom

as fresh as a daisy

精力充沛，一点也不累
Meaning
full of energy and not tired
Example
Even after the hike, she looked **as fresh as a daisy**.
即使徒步旅行之后，她看起来仍然像雏菊一样清新。
idiom

As cool as a cucumber

非常冷静和放松。
Meaning
Very calm and relaxed.
Example
Even in stressful situations, she stays **as cool as a cucumber**.
即使在紧张的情况下，她也能保持镇定自若。
idiom

a slow learner

一个理解或学习事物较慢的人
Meaning
someone who takes time to understand or learn things
Example
Don’t worry if you need more time—you’re just **a slow learner**.
如果你需要更多时间，别担心——你只是一个**慢学习者**。
phrasal-verb

add up revenue

计算总收入或销售额
Meaning
to calculate total income or sales
Example
The accountant will **add up revenue** from all branches.
会计将来自所有分支的收入加总。
idiom

a couch potato

一个花很多时间坐着看电视的人
Meaning
a person who spends a lot of time sitting and watching TV
Example
He’s become **a couch potato** since he lost his job.
他自从失去工作后，变成了**一块沙发土豆**。
idiom

a clean bill of health

确认健康良好的报告
Meaning
a report confirming good health
Example
The doctor gave me **a clean bill of health** after the check-up.
医生在体检后给了我一份健康良好的报告。
phrasal-verb

attach to

将文件或文档附加到电子邮件中
Meaning
to include a file or document with an email
Example
I've **attached** the report **to** this email.
我已将报告附加到此电子邮件。
idiom

a gray area

一种不清楚或可以用多种方式理解的情况或话题
Meaning
a situation or topic that is not clear or that can be understood in more than one way
Example
The question of intellectual property rights in the digital age is still **a gray area**.
数字时代的知识产权问题仍然是**灰色地带**。
phrasal-verb

apply for

正式请求某个工作或职位
Meaning
to make a formal request for a job or position
Example
She decided to **apply for** the marketing manager position at the new company.
她决定申请新公司市场经理职位。
idiom

against the clock

尽可能快地做某事，因为时间有限
Meaning
to do something as fast as possible because time is limited
Example
We were working **against the clock** to finish the project on time.
我们正在与时间赛跑，以便按时完成项目。