call up
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phrasal-verb

call up

打电话
Meaning
to phone someone
Example
I’ll **call up** my friend to invite him to dinner.
我会给我的朋友打电话，邀请他来吃晚餐。
phrasal-verb

cut off negativity

去除负面影响或思想
Meaning
to remove negative influences or thoughts
Example
He learned to **cut off negativity** to stay mentally strong.
他学会了去除负面影响，以保持心理强大。
phrasal-verb

clamp down on

采取严格措施来阻止或控制某事
Meaning
to take strict action to stop or control something
Example
Authorities are **clamping down on** tax evasion this year.
当局今年正在**加大对**税收逃避的打击力度。
phrasal-verb

carry yourself with pride

以自信和尊严的方式表现自己
Meaning
to behave in a confident and dignified way
Example
Always **carry yourself with pride**, even when things get tough.
无论何时 **以自豪的姿态展示自己**, 即使在困难时刻。
phrasal-verb

come up

被提及或意外发生
Meaning
to be mentioned or occur unexpectedly
Example
Your name **came up** during the meeting.
你的名字在会议中**出现**。
phrasal-verb

clam down from

在非常紧张或愤怒之后逐渐放松
Meaning
to gradually relax after being very stressed or angry
Example
It took him an hour to **clam down from** the argument.
他花了一个小时才平静下来，结束了争论。
phrasal-verb

carry across

使人们理解你的想法或情感
Meaning
to make people understand your idea or emotion
Example
The speaker’s emotions really **carried across** to the audience.
演讲者的情感真的**传递**给了观众。
idiom

clear your head

暂时停止思考某事并放松
Meaning
to stop thinking about something for a while and relax
Example
After a stressful week, I like to take a walk to **clear my head**.
在一周的压力之后，我喜欢散步来**清理头脑**。
idiom

close ranks

在面对反对时团结并相互支持
Meaning
to unite and support each other when facing opposition
Example
The employees **closed ranks** after the company came under criticism.
员工们在公司受到批评后**团结一致**。
phrasal-verb

click with

立刻与某人产生联系或理解
Meaning
to immediately feel a connection or understanding with someone
Example
We instantly **clicked with** each other at the party.
我们在聚会上立刻与对方产生了联系。
phrasal-verb

cheer someone for

通过赞美或鼓励某人来表达欣赏
Meaning
to show appreciation by praising or encouraging someone
Example
They **cheered him for** his volunteer work at the shelter.
他们因他的志愿者工作在收容所中为他加油。
phrasal-verb

call in

打电话给某个地方，特别是工作；请求某人帮助
Meaning
to phone a place, especially work; to ask for help from someone
Example
I had to **call in** sick this morning.
今天早上我不得不**打电话请病假**。
phrasal-verb

care for

照顾生病或需要帮助的人
Meaning
to look after someone who is sick or in need
Example
He **cares for** his elderly parents every day.
他每天照顾他的年迈父母
idiom

content is king

高质量的内容是在线成功的最重要因素
Meaning
high-quality content is the most important factor for success online
Example
Never forget that **content is king** in digital marketing.
永远不要忘记，在数字营销中，**内容就是王者**。
phrasal-verb

cut back on mistakes

减少你犯的错误数量
Meaning
to reduce the number of errors you make
Example
To grow professionally, try to **cut back on mistakes**.
为了职业发展，尽量减少你犯的错误数量。
idiom

couldn't believe my eyes

惊讶得不敢相信自己所看到的
Meaning
to be so surprised that you doubt what you see
Example
I **couldn’t believe my eyes** when I saw the results.
当我看到结果时，我简直不敢相信自己的眼睛。
phrasal-verb

cut down on sugar

减少你摄入的糖的量
Meaning
to reduce the amount of sugar you consume
Example
I decided to **cut down on sugar** to improve my health.
我决定**减少糖分**以改善我的健康。
phrasal-verb

chill down

在沮丧或压力之后放松和冷静下来
Meaning
to relax and become calm after being upset or stressed
Example
After a tough day, I usually take a walk to **chill down**.
经过艰难的一天，我通常散步以放松自己。
idiom

clean conscience

有一种感觉，你没有做错任何事情
Meaning
feeling that you have done nothing wrong
Example
He can sleep well because he has a **clean conscience**.
他可以睡得很好，因为他有一颗**干净的良心**。
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。
phrasal-verb

connect emotionally with

与某人分享并理解情感，达到更深层次
Meaning
to share and understand emotions with someone on a deeper level
Example
It’s important to **connect emotionally with** your partner for a healthy relationship.
与伴侣**情感上联系**对建立健康的关系至关重要。
idiom

carry over

将某事物转移到稍后的时间或地点
Meaning
to transfer something to a later time or place
Example
We’ll **carry over** the unused vacation days to next year.
我们将把未使用的假期天数转移到明年。
idiom

clear the air

通过坦诚交谈消除紧张或误会
Meaning
to remove tension or misunderstanding by talking openly
Example
We need to sit down and **clear the air** about what happened last week.
我们需要坐下来坦诚地谈谈上周发生的事情，以消除误会。
idiom

carry yourself with confidence

以自信和确定的方式行事
Meaning
to behave in a confident and assured way
Example
She always **carries herself with confidence** during meetings.
她在会议期间总是以自信的态度展示自己。
idiom

cross one's heart

做出真诚的承诺，通常由孩子们使用
Meaning
to make a sincere promise, often used by children
Example
I’ll never lie to you again, **cross my heart**.
我再也不会对你撒谎了，**我发誓**。
idiom

cover up

掩盖某事的真相
Meaning
to hide the truth about something
Example
They tried to **cover up** the mistake.
他们试图掩盖这个错误。
phrasal-verb

come together for

为共同目标团结在一起；为共同目标而努力
Meaning
to unite for a common purpose; to join efforts toward a shared goal
Example
Communities from all over the world **come together for** humanitarian causes.
来自世界各地的社区为人道主义事业团结在一起。
phrasal-verb

clear the air with

通过与某人进行坦诚的对话来解决紧张局势
Meaning
to resolve tension by having an honest talk with someone
Example
I want to **clear the air with** you before the next meetup.
我想在下次见面之前与您澄清一下
idiom

cry over spilt milk

为无法改变的事情而懊恼
Meaning
to be upset about something that cannot be changed
Example
There’s no use **crying over spilt milk**.
为洒掉的牛奶哭是没有用的。
idiom

Crossing the line

超出可接受或适当的界限
Meaning
To go beyond acceptable or proper boundaries.
Example
The diplomat was criticized for **crossing the line** in his comments about the host country.
外交官因在关于东道国的评论中**越过了界限**而受到批评。
idiom

cool off

冷却或冷静
Meaning
to become less hot or less angry
Example
Let the soup **cool off** before serving.
让汤在上桌前冷却。
idiom

cracks in the wall

系统或关系中的问题或弱点迹象
Meaning
signs of problems or weaknesses in a system or relationship
Example
There are **cracks in the wall** of their friendship lately.
最近他们的友谊出现了裂痕。
phrasal-verb

chop up

迅速将某物切成小块
Meaning
to cut something into small pieces quickly
Example
He **chopped up** the onions for the curry.
他为咖喱切碎了洋葱。
phrasal-verb

call for action

要求人们做一些事情来解决问题
Meaning
to demand people to do something to solve a problem
Example
The protest **called for action** on climate change.
抗议活动**呼吁采取行动**应对气候变化。
phrasal-verb

cool down after

在锻炼或努力后轻松放松
Meaning
to gently relax following exercise or effort
Example
Always **cool down after** intense matches to avoid injury.
总是**冷却下来后**在激烈的比赛后避免受伤。
phrasal-verb

call together

召集人们开会
Meaning
to bring people together for a meeting
Example
The director **called together** the team for an urgent discussion.
导演**召集**团队进行紧急讨论。
phrasal-verb

come over

拜访某人的家。
Meaning
to visit someone's house
Example
Why don’t you **come over** for lunch tomorrow?
为什么你明天不来我家吃午饭？
phrasal-verb

carry up

将某物从较低的地方搬到较高的地方
Meaning
to take something from a lower place to a higher place
Example
Please **carry up** these bags to the attic.
请把这些袋子搬到阁楼。
phrasal-verb

clear out

摆脱不必要的东西，感到精神焕发
Meaning
to get rid of unnecessary things to feel mentally refreshed
Example
I like to **clear out** my desk when I'm feeling stressed.
当我感到有压力时，我喜欢清理我的桌子
phrasal-verb

climb up

用手和脚向上爬
Meaning
to move upward using hands and feet
Example
The children **climbed up** the tree to get the kite.
孩子们 **爬上** 树去拿风筝。
idiom

cat nap

白天短暂的小睡
Meaning
a short sleep during the day
Example
I took a **cat nap** before the meeting.
我在会议前小睡了一会儿。
idiom

change of heart

对某事或某人感受的变化
Meaning
a change in the way one feels about something or someone
Example
He had a **change of heart** and decided to stay.
他改变了主意，决定留下。
idiom

call around

通过电话联系几个人或地方
Meaning
to contact several people or places by phone
Example
I’ll **call around** to find a venue with parking.
我会打电话给几个地方，找一个有停车位的地方。
idiom

cash in on

从某个情况中获利，通常很快
Meaning
to profit from a situation, often quickly
Example
Several startups tried to **cash in on** the sudden trend.
几个初创公司试图从突如其来的趋势中获利。
phrasal-verb

cut someone off

打断某人说话
Meaning
to interrupt someone while they are speaking
Example
She kept **cutting me off** whenever I tried to explain.
每次我试图解释时，她总是**打断我**。
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。
phrasal-verb

cool off after

在生气或沮丧后冷静下来
Meaning
to calm down after being angry or upset
Example
He went for a walk to **cool off after** the argument.
他去散步以便在争论后冷静下来。
phrasal-verb

check on

确保某人安全或过得好
Meaning
to make sure someone is safe or doing well
Example
He **checked on** his grandparents after hearing about the storm.
在听到风暴的消息后，他检查了他的祖父母。
phrasal-verb

coordinate across borders

与不同国家的人们共同组织工作
Meaning
to organize efforts with people in different countries
Example
We **coordinate across borders** to keep the partnership moving smoothly.
我们**跨越边界协调**，以保持伙伴关系的顺利进行。
idiom

Curiosity killed the cat

过于好奇可能导致麻烦。
Meaning
Being too inquisitive can lead to trouble.
Example
Don't ask too many questions about his past — **curiosity killed the cat**.
不要问他太多关于过去的问题 — 好奇害死了猫。
phrasal-verb

carry through on

完成或履行承诺、计划或责任
Meaning
to complete or fulfill a promise, plan, or commitment
Example
A person with strong ethics will always **carry through on** their promises.
一个有强大道德观念的人总是会履行他们的承诺。
phrasal-verb

carry yourself with

以自信和尊严的方式展示自己
Meaning
to present yourself in a confident and dignified way
Example
He always **carries himself with** confidence and calmness.
他总是以自信和平静展示自己。
idiom

calm down

冷静下来或放松
Meaning
to become less angry or upset
Example
Please **calm down**, everything is under control.
请冷静下来，一切都在掌控之中。
idiom

cut somebody some slack

因为某人此刻有问题，不像通常那样严厉批评他们
Meaning
to not judge someone as severely as you usually would because they are having problems at the present time
Example
He's been under a lot of stress lately, so let's **cut him some slack**.
他最近压力很大，我们给他一些喘息的时间
phrasal-verb

check out of

付完账后离开酒店
Meaning
to leave a hotel after paying the bill
Example
We **checked out of** the hotel early to catch our flight.
我们为了赶上航班，早早地离开了酒店。
phrasal-verb

carry out negotiations

进行正式讨论以达成协议
Meaning
to conduct formal discussions to reach an agreement
Example
Our team will **carry out negotiations** with foreign investors next week.
我们的团队将在下周与外国投资者进行谈判。
phrasal-verb

cash in

从投资或情境中赚取金钱
Meaning
to make money from an investment or situation
Example
Investors **cashed in** when the stock prices soared.
当股价飙升时，投资者**赚取了金钱**。
idiom

call to mind

记起或回想起某事
Meaning
to remember or recall something
Example
This song **calls to mind** my childhood days.
这首歌让我想起了我的童年。
phrasal-verb

crack down on protests

使用武力或严格措施来控制抗议活动
Meaning
to use force or strict measures to control protests
Example
Authorities began to **crack down on protests** after violence erupted.
暴力爆发后，政府开始对抗议活动采取强硬措施。
phrasal-verb

come down with

染上疾病
Meaning
to become ill with a disease
Example
I think I'm **coming down with** a cold.
我觉得我**得了感冒**。
phrasal-verb

clamor for

大声并情感强烈地要求某事
Meaning
to demand something loudly and emotionally
Example
Fans **clamored for** an encore performance.
粉丝们**clamored for**加场演出。
phrasal-verb

cash out

将投资出售换取金钱
Meaning
to sell an investment for money
Example
He decided to **cash out** his stocks when the prices were high.
他决定在股价高时出售他的股票。
phrasal-verb

cope under pressure

即使在压力或困难情况下也能很好地发挥作用
Meaning
to manage to function well even in stressful or difficult situations
Example
He learned to **cope under pressure** during tight deadlines.
他在紧迫的最后期限下学会了如何承受压力。
phrasal-verb

chill off

当你感到紧张或生气时，冷静下来或放松
Meaning
to calm down or relax when feeling tense or angry
Example
I went for a walk to **chill off** after the argument.
争吵后我去散步来冷静下来。
idiom

climbing the ladder

改善自己的位置，通常是在职业或个人成长中
Meaning
to improve one's position, typically in a career or personal growth
Example
He started at the bottom of the company and has been **climbing the ladder** ever since.
他从公司最底层开始，从那时起他一直在**爬上梯子**。
idiom

cover all bases

为所有可能的情况做好准备
Meaning
to prepare for all possible situations
Example
Before the presentation, we need to **cover all bases**.
在演讲之前，我们需要做好所有准备工作。
phrasal-verb

climb up the ladder

在公司或组织中晋升到更高职位
Meaning
to move to a higher position in a company or organization
Example
She worked hard for years to **climb up the ladder** in her company.
她努力工作了多年，才在她的公司中**爬上了梯子**。
phrasal-verb

count down from

从某个特定点开始倒数
Meaning
to recite numbers backward starting from a specific point
Example
The teacher had us **count down from** twenty to practice timing.
老师让我们从二十开始倒数来练习时间。
idiom

carry the can

接受责任或指责，通常是不公平的。
Meaning
to accept responsibility or blame, often unfairly.
Example
She was left to **carry the can** after her manager left.
经理离开后，她不得不 **承担责任**。
phrasal-verb

cut down travel emissions

减少由交通造成的污染
Meaning
to reduce pollution caused by transportation
Example
We can **cut down travel emissions** by holding virtual meetings.
我们可以通过举办虚拟会议来**减少交通污染**。
phrasal-verb

carry around

随时带着某物
Meaning
to have something with you all the time
Example
He always **carries around** a notebook to jot down ideas.
他总是带着一本笔记本来记录想法。
idiom

change gears

转变思考方式或做事方式
Meaning
to shift to a new way of thinking or doing things
Example
We need to **change gears** if we want to reach our target in time.
如果我们想按时达到目标，我们需要**换挡**。
phrasal-verb

cry out for

急需某物
Meaning
to need something urgently
Example
This area **cries out for** better healthcare facilities.
该区域**迫切需要**更好的医疗设施。
phrasal-verb

call off

取消某事
Meaning
to cancel something
Example
We had to **call off** the meeting because the manager was sick.
因为经理生病，我们不得不取消会议。
idiom

call someone out

公开批评某人的行为或行动
Meaning
to criticize someone publicly for their behavior or actions
Example
She **called him out** for being rude to the waiter.
她因对服务员无礼而**公开批评**了他。
idiom

cut loose

自由地表现并享受自己
Meaning
to behave freely and enjoy oneself
Example
It’s the weekend—time to **cut loose**!
是周末了—是时候**放松**了！
phrasal-verb

carry on bravely

尽管面临情感困难，仍然勇敢前行
Meaning
to continue with courage despite emotional hardship
Example
He chose to **carry on bravely** after losing his loved one.
在失去亲人后，他选择勇敢地继续前行。
phrasal-verb

check back on progress

检查自上次更新以来工作进展到何种程度
Meaning
to review how far work has moved since the last update
Example
Project leads **check back on progress** every Thursday morning.
项目负责人每周四早上**检查进展**。
phrasal-verb

calm yourself down

放松并停止感到生气或紧张
Meaning
to relax and stop feeling angry or nervous
Example
Take a deep breath to **calm yourself down** before reacting.
在反应之前深呼吸来 **冷静下来**。
idiom

cash cow

一种持续带来大量收入的产品或服务
Meaning
a product or service that consistently generates a lot of money
Example
Their mobile app has become a **cash cow** for the company.
他们的移动应用程序已成为公司的摇钱树。
idiom

cut someone some slack

不那么批评或给某人喘息的机会
Meaning
to be less critical or give someone a break
Example
You should **cut him some slack**—he’s having a tough day.
你应该**宽容他一点**—他今天过得很艰难。
idiom

come into the spotlight

获得公众关注或认可
Meaning
to receive public attention or recognition
Example
She **came into the spotlight** after winning the award.
她 **进入了聚光灯** 之后获得了奖项。
idiom

clear the decks

通过移除不必要的事物来为行动做准备。
Meaning
Prepare for action by removing unnecessary things.
Example
We need to **clear the decks** before the new project begins.
我们需要在新项目开始之前**clear the decks**。
idiom

come to the rescue

帮助陷入困境的人
Meaning
to help someone in trouble
Example
A firefighter **came to the rescue** of the trapped cat.
一名消防员**来救援**被困的猫。
idiom

code like a machine

在编程中极快且高效地工作
Meaning
to work extremely fast and efficiently on programming
Example
She can **code like a machine** when a deadline is near.
当截止日期临近时，她可以**像机器一样编程**。
phrasal-verb

cut down workforce

减少员工数量
Meaning
to reduce the number of employees
Example
Due to reduced demand, the factory **cut down workforce** by 20 percent.
由于需求减少，工厂将员工数量减少了20%。
idiom

Caught with your pants down

被抓到没有准备或感到尴尬。
Meaning
To be caught unprepared or embarrassed.
Example
The manager was **caught with his pants down** when asked about the figures.
当被问及数据时，经理毫无准备地被抓到。
phrasal-verb

check with

确认信息或向某人请求批准
Meaning
to confirm information or ask for approval from someone
Example
Please **check with** your supervisor before making any changes.
请在做任何更改之前，与您的主管确认。
phrasal-verb

crash down

突然停止工作或完全失败
Meaning
to suddenly stop working or fail completely
Example
The software **crashed down** in the middle of my presentation.
软件**崩溃**在我的演示中间。
idiom

change your tune

改变你的意见或态度
Meaning
to change your opinion or attitude
Example
He criticized the plan at first but later **changed his tune**.
一开始他批评了这个计划，但后来他改变了看法。
phrasal-verb

code around

为问题找到软件解决方案
Meaning
to find a software workaround for a problem
Example
Engineers **code around** the bug until an official patch ships.
工程师们绕过这个bug，直到发布官方补丁。
idiom

cover all the bases

为每个可能的情况做好准备
Meaning
to prepare for every possible situation
Example
We need to **cover all the bases** before the meeting.
我们需要在会议之前做好准备。
idiom

catch the train

准时赶上火车或事件
Meaning
to be on time for a train or event
Example
Hurry up or you’ll not **catch the train**!
快点，否则你会错过火车！
idiom

corner office

公司中成功或高职位的象征
Meaning
a symbol of success or high position in a company
Example
Everyone dreams of getting the **corner office** one day.
每个人都梦想有一天能得到 **角落办公室**。
phrasal-verb

comfort someone through

在困难时期帮助某人情感上
Meaning
to help someone emotionally during a difficult time
Example
She **comforted him through** his toughest days.
她在最困难的日子里安慰了他。
phrasal-verb

carry on through

尽管面临困难或情感上的痛苦，仍然继续
Meaning
to continue despite difficulties or emotional pain
Example
He managed to **carry on through** the tough times.
他设法在困难的时光中继续前行。
phrasal-verb

catch on with

在人群中变得受欢迎或被接受
Meaning
to become popular or well-accepted among people
Example
The innovative idea quickly **caught on with** young consumers.
这个创新的想法迅速**获得了年轻消费者的认可**。
phrasal-verb

check out for the day

结束工作并在当天剩余时间里放松心情
Meaning
to finish work and mentally leave for the rest of the day
Example
Once my reports are sent, I **check out for the day** and rest.
一旦我发送完报告，我就结束工作，放松休息。
idiom

come a long way

取得了很大的进步或改善
Meaning
to make a lot of progress or improvement
Example
She has **come a long way** since she started her career.
她自从开始自己的事业后取得了巨大的进步。
phrasal-verb

come back

回来
Meaning
to return to a place
Example
When will you **come back** from London?
你什么时候从伦敦回来?
phrasal-verb

clean up well

穿戴整齐后看起来不错
Meaning
to look good after getting dressed or groomed
Example
He usually looks messy, but he **cleans up well** for special occasions.
他通常看起来很凌乱，但在特殊场合时，他看起来很得体。
idiom

change with the times

适应社会或科技的变化
Meaning
to adapt to the changes in society or technology
Example
In order to stay relevant in the business, it's important to **change with the times**.
为了在商业中保持相关性，重要的是要**与时俱进**。
phrasal-verb

cut off caffeine

停止饮用咖啡或含咖啡因的饮料
Meaning
to stop consuming coffee or caffeinated drinks
Example
She has **cut off caffeine** to sleep better at night.
她已经停止饮用咖啡因，为了晚上能更好睡觉
phrasal-verb

cheer yourself up

做些事情让自己感觉更开心
Meaning
to do something to feel happier
Example
I bought some flowers to **cheer myself up** after a long week.
我买了一些花来**让自己开心**，度过漫长的一周。
phrasal-verb

call attention to

让人们注意到一些好的事情
Meaning
to make people notice something good
Example
He **called attention to** the artist’s unique style.
他**引起了人们对**艺术家独特风格的关注。
phrasal-verb

cut back emissions

减少生产的污染量
Meaning
to reduce the amount of pollution produced
Example
Our office **cuts back emissions** by switching to public transport incentives.
我们的办公室通过实施公共交通激励措施来**减少排放**。
idiom

call the shots

掌控决策，做出决定
Meaning
to be in charge and make decisions
Example
In this company, the manager **calls the shots**.
在这家公司，经理做出决策。
phrasal-verb

clean up shared docs

整理共享文件，便于每个人轻松使用
Meaning
to tidy common files so everyone can use them easily
Example
I **clean up shared docs** every Friday to remove outdated drafts.
我每周五**清理共享文档**，删除过时的草稿。
phrasal-verb

comment back

在线回复某人的评论
Meaning
to reply to someone’s comment online
Example
She always **comments back** to her followers.
她总是**回复**她的粉丝的评论
idiom

come out with it

公开或诚实地说出你一直隐藏的事情
Meaning
to say something openly or honestly that you’ve been hiding
Example
Stop hesitating and just **come out with it**!
别再犹豫，直接说出来！
phrasal-verb

catch up in

无意中卷入某事
Meaning
to become involved in something, often unwillingly
Example
He got **caught up in** a legal issue he didn’t understand.
他**卷入了**一个他不理解的法律问题。
idiom

case closed

事情已经解决或结束
Meaning
the matter is settled or finished
Example
The evidence was clear, so it’s **case closed**.
证据很清楚，所以这是**案件已结**。
idiom

cut corners

以最简单或最便宜的方式做某事
Meaning
to do something in the easiest or cheapest way
Example
They **cut corners** to finish the project faster.
他们为了更快完成项目而走捷径。
phrasal-verb

cut down on delays

减少浪费的时间或工作中的延迟
Meaning
to reduce the amount of time wasted or delays in work
Example
The team is working to **cut down on delays** in project delivery.
团队正在努力**减少项目交付的延迟**。
idiom

crack the code

解决一个复杂的问题或谜题
Meaning
to solve a complex problem or mystery
Example
It took hours, but we finally **cracked the code** of the system error.
花了好几个小时，但我们终于**破解了系统错误的代码**。
idiom

cut your teeth

在特定领域或工作中获得初步经验
Meaning
to gain initial experience in a particular area or job
Example
He **cut his teeth** in the banking industry before starting his own firm.
在创办自己的公司之前，他在银行业获得了初步经验。
phrasal-verb

cut back from

减少对有害事物的参与或依赖
Meaning
to reduce involvement or dependency on something harmful
Example
We should **cut back from** non-renewable energy sources.
我们应该减少对非可再生能源来源的依赖。
idiom

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 such a **couch potato**, he never goes out or exercises.
他是一个 **couch potato**，他从不外出，也不做运动。
phrasal-verb

cheer yourself on

激励和鼓励自己继续前进
Meaning
to motivate and encourage yourself to keep going
Example
Sometimes you just need to **cheer yourself on** when no one else does.
有时候你只需要在没有人鼓励你的时候**激励自己**
idiom

cutthroat competition

极其激烈而残酷的竞争
Meaning
extremely intense and ruthless competition
Example
The smartphone market is a **cutthroat competition**.
智能手机市场是一场残酷的竞争。
idiom

cold case

一宗长时间未解决的刑事案件
Meaning
a criminal case that has not been solved for a long time
Example
The detective reopened a **cold case** from 1999.
侦探重新开启了1999年的**冷案**。