call the bluff
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idiom

call the bluff

挑战某人证明他们的权威或主张
Meaning
to challenge someone to prove their authority or claim
Example
She **called his bluff** when he threatened to quit.
当他威胁辞职时，她揭穿了他的虚张声势。
idiom

crunch the data

处理和分析大量数据
Meaning
to process and analyze large amounts of data
Example
The AI can **crunch the data** in seconds and give insights.
AI 可以在几秒钟内处理数据并提供见解。
idiom

copycat

模仿另一个人的人
Meaning
someone who imitates another person
Example
She’s such a **copycat**, always doing what I do.
她是个**copycat**，总是做我做的事。
idiom

Cheer up

变得更开心; 不要伤心。
Meaning
Become happier; don’t be sad.
Example
It’s not the end of the world—**cheer up**!
这不是世界的末日——振作起来！
idiom

come out of one's shell

变得更外向或更自信
Meaning
to become more outgoing or confident
Example
She used to be shy, but now she has finally **come out of her shell**.
她以前很害羞，但现在她终于**走出了她的壳**。
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

call the tune

掌控; 做出重要决定
Meaning
to be in control; to make important decisions
Example
In this company, the investors **call the tune**.
在这家公司，投资者做出重要决策。
idiom

circle around

围绕某物反复移动
Meaning
to move repeatedly around something
Example
The hawk kept **circling around** above the trees.
老鹰不停地在树木上空**盘旋**。
idiom

castles in the air

不可能或不现实的梦想或计划
Meaning
dreams or plans that are impossible or unrealistic
Example
He’s always building **castles in the air** about his future.
他总是在为自己的未来建造**castles in the air**。
idiom

code your way out

通过编程技能解决问题
Meaning
to solve a problem through programming skills
Example
When the system crashed, she managed to **code her way out**.
当系统崩溃时，她成功地**编程解决了问题**。
idiom

clash of civilizations

不同文化、宗教或文明群体之间的冲突
Meaning
the conflict between different cultural, religious, or civilizational groups
Example
The debate about cultural differences is often seen as a **clash of civilizations**.
关于文化差异的辩论常被视为一次**文明的冲突**。
idiom

cut through the noise

在竞争中脱颖而出；尽管有干扰，依然能够引起注意
Meaning
to stand out from the competition; to be noticed despite distractions
Example
Our campaign needs to **cut through the noise** and grab people’s attention.
我们的营销需要在竞争中脱颖而出，吸引人们的注意。
idiom

change of scene

新的环境或情况
Meaning
a new environment or situation
Example
After months of work, I needed a **change of scene**.
经过几个月的工作，我需要一个**场景变化**。
idiom

Cultural melting pot

不同文化融合的地方
Meaning
A place where different cultures blend together
Example
New York is often described as a **cultural melting pot**.
纽约常被描述为一个**文化大熔炉**。
idiom

cross the ethical line

做某事，被认为在道德上是错误的
Meaning
to do something that is considered morally wrong in ethics
Example
Selling user data without permission **crosses the ethical line**.
未经许可出售用户数据 **越过了道德界限**。
idiom

cutting-edge marketing

使用最新和最先进的营销技术
Meaning
using the latest and most advanced marketing techniques
Example
Our company invests in **cutting-edge marketing** strategies.
我们的公司投资于前沿营销策略。
idiom

cover your tracks

隐藏一个人行为的证据
Meaning
to hide evidence of one’s actions
Example
Hackers often **cover their tracks** after breaking into systems.
黑客在进入系统后常常**掩盖他们的痕迹**。
idiom

can’t wait

急切地或迫不及待地等待某事发生
Meaning
to be very eager or impatient for something to happen
Example
I **can’t wait** to see the new movie!
我迫不及待想要看新电影！
idiom

come through

在困难的情况下做出预期或承诺的事情
Meaning
to do what is expected or promised, especially in difficult situations
Example
She always **comes through** when we need her most.
她总是在我们最需要她的时候帮助我们。
idiom

caught red-handed

在做错事时被当场抓住
Meaning
to be caught in the act of doing something wrong
Example
The thief was **caught red-handed** stealing the wallet.
小偷在偷钱包时被**当场抓住**。
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。
idiom

clue in

给某人必要的信息
Meaning
to give someone the necessary information
Example
Can you **clue me in** on the schedule changes?
你能 **告诉我时间表的变化吗？**
idiom

Cook the books

伪造财务记录以掩盖损失或盗窃。
Meaning
To falsify financial records to hide losses or theft.
Example
The accountant was fired for trying to **cook the books**.
那位会计因为试图篡改账目而被解雇。
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。
idiom

call on

请某人发言或做某事
Meaning
to request someone to speak or do something
Example
The teacher will **call on** you if you raise your hand.
如果你举手，老师会叫你发言。
idiom

catch lightning in a bottle

通过创造力或运气实现惊人而稀有的事情
Meaning
to achieve something amazing and rare through creativity or luck
Example
Their new design **caught lightning in a bottle**.
他们的新设计**抓住了瓶中的闪电**
idiom

clamp down

采取强硬措施来制止某事
Meaning
to take strong action to stop something
Example
The manager decided to **clamp down** on late arrivals.
经理决定对迟到的人采取严格措施。
idiom

Crooked as a snake

不诚实或不可靠
Meaning
Dishonest or untrustworthy.
Example
Everyone knows that politician is **crooked as a snake**.
大家都知道那位政治家是**像蛇一样不诚实**。
idiom

chart a new course

规划新的方向或策略
Meaning
to plan a new direction or strategy
Example
After the crisis, the CEO decided to **chart a new course**.
危机过后，首席执行官决定制定新的方针。
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**。
idiom

confide in someone

相信某人，足够信任到可以告诉他们秘密
Meaning
to trust someone enough to tell them secrets
Example
She only **confides in** her best friend.
她只会向她最好的朋友吐露心事。
idiom

chase your dreams

积极努力实现你的雄心
Meaning
to actively try to achieve your ambitions
Example
You should always **chase your dreams** no matter how hard it seems.
无论多么困难，你都应该始终**追求你的梦想**。
idiom

come out clean

被证明无罪或免除指责。
Meaning
To be proven innocent or free from blame.
Example
After investigation, he **came out clean**.
经过调查后，他被证明是清白的。
idiom

count to ten

在生气之前暂停并冷静下来
Meaning
to pause and calm down before reacting in anger
Example
When you’re upset, just **count to ten** before speaking.
当你生气时，在说话之前先**数到十**。
idiom

carve your own path

开辟自己的道路以获得成功或独立
Meaning
to create your own way of achieving success or independence
Example
She decided to **carve her own path** instead of joining her family business.
她决定**开辟自己的道路**，而不是加入家族企业。
idiom

cover your bases

为所有可能的结果做好准备；保持谨慎
Meaning
to prepare for all possible outcomes; to be cautious
Example
Make sure you **cover your bases** before presenting the report.
在提交报告之前，确保你已经**覆盖了你的基础**。
idiom

call it quits

停止或结束某事
Meaning
to stop or end something
Example
After working for hours, they decided to **call it quits** for the day.
经过几个小时的工作后，他们决定**结束今天**的工作。
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

carry the weight of the world on one's shoulders

感到对许多问题或职责负责
Meaning
to feel responsible for many problems or duties
Example
She always **carries the weight of the world on her shoulders**, even when it's not her fault.
她总是肩负着整个世界的重担，即使那不是她的错。
idiom

cross your heart

做出真诚的承诺
Meaning
to make a sincere promise
Example
I’ll never tell anyone, **cross my heart**.
我永远不会告诉任何人，**我发誓**。
idiom

cut a deal

迅速达成商业协议
Meaning
to reach a business agreement quickly
Example
They **cut a deal** to save both companies money.
他们**达成了协议**，为两家公司节省资金。
idiom

crybaby

一个容易抱怨或哭泣的人
Meaning
someone who complains or cries easily
Example
Don’t be a **crybaby**, it’s just a small scratch.
不要做一个**爱哭鬼**，这只是一个小小的擦伤。
idiom

cross the aisle

与对立政治党派的成员合作
Meaning
to cooperate with members of the opposing political party
Example
He often **crosses the aisle** to work on bipartisan issues.
他经常**穿过过道**与对方党派合作处理两党问题。
idiom

circle of friends

一群你与之友好的人的群体
Meaning
a group of people you are friendly with
Example
She has a large **circle of friends** from college.
她有一个来自大学的大家**朋友圈**
idiom

Catch on

开始理解某事。
Meaning
To begin to understand something.
Example
It took him a while to **catch on** to the new rules.
他花了些时间**理解**新规则。
idiom

change one's tune

改变自己的意见或态度
Meaning
to change one's opinion or attitude
Example
After hearing the good news, he decided to **change his tune**.
听到好消息后，他决定**改变自己的看法**。
idiom

check back in

稍后再次联系以获取更新
Meaning
to reconnect later to get an update
Example
Let’s **check back in** next week on the prototype.
我们下周再检查原型。
idiom

cut both ways

既有积极的一面，也有消极的一面
Meaning
to have both positive and negative effects
Example
Working from home **cuts both ways** – you save time but lose social interaction.
在家工作**有利也有弊**——节省时间，但失去了社交互动。
idiom

Clean hands

无罪或没有负罪感。
Meaning
To be innocent or free from guilt.
Example
He claims to have **clean hands** in the scandal.
他声称在丑闻中有**clean hands**。
idiom

chapter and verse

提供关于某事的完整和准确细节
Meaning
to provide full and exact details about something
Example
She can quote **chapter and verse** to support her argument.
她可以引用**chapter and verse**来支持她的论点。
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**。
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

come rain or shine

不管发生什么；无论天气或情况如何
Meaning
no matter what happens; in any weather or situation
Example
He goes jogging **come rain or shine**.
无论晴天还是雨天，他都会去跑步。
idiom

close the deal

成功地达成协议
Meaning
to successfully finalize an agreement
Example
After weeks of negotiation, they finally **closed the deal**.
经过数周的谈判，他们终于达成了协议。
idiom

color outside the lines

以创造性和不拘一格的方式思考或行动
Meaning
to think or act creatively and unconventionally
Example
Good designers always **color outside the lines**.
优秀的设计师总是**超越界限**思考。
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。
idiom

clear away

移除物品以整理空间
Meaning
to remove things to tidy a space
Example
Please **clear away** the dishes after lunch.
请在午餐后清理盘子。
idiom

cold call

在没有事先介绍的情况下联系潜在客户
Meaning
to contact a potential customer without prior introduction
Example
He spent all morning making **cold calls** to new clients.
他花了一整个早上给新客户打**冷电话**。
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**。
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。
idiom

cut and dry

清晰直接; 没有混淆的空间
Meaning
clear and straightforward; no room for confusion
Example
The decision wasn’t as **cut and dry** as they expected.
决策并不像他们预期的那样明确直接。
idiom

cover all the angles

从各个角度审视一个故事或问题
Meaning
to examine a story or issue from every perspective
Example
The journalist tried to **cover all the angles** before publishing the article.
记者在发布文章之前尽力**涵盖所有角度**。
idiom

chip away at

逐步在某事上工作以取得结果
Meaning
to gradually work on something to achieve a result
Example
She **chipped away at** her thesis every evening until it was finished.
她每晚都**逐步工作**她的论文，直到完成。
idiom

Change is the only constant

生活中的一切都在不断变化；没有什么保持不变。
Meaning
Everything in life keeps changing; nothing stays the same.
Example
Don’t resist — change is the only constant.
不要抵抗 — 变化是唯一不变的。
idiom

check back

稍后回来获取更新
Meaning
to return at a later time for an update
Example
Please **check back** next week for the final list.
请在下周**回来**查看最终名单。
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！
idiom

carry on luggage

随身携带的小包或行李
Meaning
small bags taken with you on a plane or trip
Example
She packed all her essentials in her **carry on luggage**.
她把所有必需品都装在她的随身行李里。
idiom

couldn’t care less

表现出完全的冷漠
Meaning
to show total indifference
Example
She **couldn’t care less** about what people think.
她对别人怎么想完全不在乎。
idiom

check in on

监视或查看某人或某物的状态
Meaning
to monitor or see how someone or something is doing
Example
Could you **check in on** the kids while I'm out?
你能在我出去时**check in on**孩子们吗？
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。
idiom

chin up, soldier

在困难的情况下保持勇敢和坚强
Meaning
to stay brave and strong in difficult situations
Example
**Chin up, soldier**, things will get better soon.
**振作起来，士兵**，一切很快就会好起来。
idiom

call to arms

为了捍卫某个原因而采取行动的号召
Meaning
a call to take action, especially to defend a cause
Example
The leader’s speech was a **call to arms** for all citizens to fight corruption.
领导人的演讲是一个**号召大家行动起来**，呼吁所有公民与腐败作斗争。
idiom

call a spade a spade

诚实直接地说话，即使它令人不悦
Meaning
to speak honestly and directly, even if it’s unpleasant
Example
She always **calls a spade a spade**, no matter who gets offended.
她总是直言不讳，不管谁生气。
idiom

Cut your losses

停止做不再有利可图的事情。
Meaning
To stop doing something that is no longer profitable.
Example
It’s better to **cut your losses** and move on.
最好**止损**并继续前进。
idiom

circle back

稍后返回到一个话题或任务
Meaning
to return to a topic or task later
Example
Let's **circle back** to this issue after lunch.
我们午餐后再回到这个问题。
idiom

cry one’s eyes out

大声哭泣; 无法控制地哭泣
Meaning
to cry a lot; to weep uncontrollably
Example
She **cried her eyes out** after watching that sad movie.
她在看完那部悲伤的电影后**哭得不成样子**。
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

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

cold shoulder

故意忽视某人
Meaning
to ignore someone deliberately
Example
After the argument, she gave him the **cold shoulder** for days.
争吵后，她几天没有理他。
idiom

corner the market

主导特定市场
Meaning
to dominate a particular market
Example
They’ve managed to **corner the market** in organic products.
他们已经成功主导了有机产品市场。
idiom

cut someone down to size

批评某人让他感到自己不重要
Meaning
to criticize someone to make them feel less important
Example
The manager **cut him down to size** after he bragged too much.
经理在他吹嘘过多后**把他给放下**了。
idiom

catch someone red-handed

当某人做错事时把他抓住
Meaning
to catch someone in the act of doing something wrong
Example
The police **caught him red-handed** as he was stealing from the store.
警察**当场抓住了他**，当时他正在商店偷东西。
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。
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**。
idiom

caught between a rock and a hard place

进退两难
Meaning
in a difficult situation where any choice you make will have negative consequences
Example
I'm **caught between a rock and a hard place** - both options are terrible.
我进退两难，两个选择都很糟糕。
idiom

cliffhanger

一个让观众悬念重重的结局
Meaning
an ending that leaves the audience in suspense
Example
The episode ended on a **cliffhanger**, so we can’t wait for the next one.
这一集以**悬崖式结局**结束，我们迫不及待地等待下一集。
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。
idiom

chain reaction

由一个事件引发的一系列事件
Meaning
a series of events triggered by one event
Example
One breakthrough can start a **chain reaction** of new innovations.
一个突破可以引发新的创新的**连锁反应**。
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

chatterbox

一个说很多话的人
Meaning
a person who talks a lot
Example
My little sister is a real **chatterbox**.
我的小妹妹是个真正的喋喋不休的人。
idiom

crossing the ethical boundary

以超出道德可接受范围的方式行事
Meaning
to act in a way that goes beyond moral acceptability
Example
Using AI to manipulate emotions may be **crossing the ethical boundary**.
使用人工智能操纵情绪可能是在**跨越道德界限**。
idiom

cover story

杂志或报纸封面的主要故事
Meaning
the main story on the front of a magazine or newspaper
Example
Her interview became the **cover story** of the week.
她的采访成为了本周的封面故事。
idiom

chill out

放松并停止生气或紧张
Meaning
to relax and stop being angry or nervous
Example
You need to **chill out** and enjoy the weekend.
你需要放松并享受周末。
idiom

crack of dawn

非常早的早晨
Meaning
very early in the morning
Example
He wakes up at the **crack of dawn** every day.
他每天早上在黎明时分醒来。
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

cornerstone of success

实现成功的最重要基础或要素
Meaning
the most important foundation or element for achieving success
Example
Hard work is the **cornerstone of success**.
勤奋工作是**成功的基石**。
idiom

Cover a lot of ground

处理大量的信息或材料
Meaning
to deal with a lot of information or material
Example
The lecture **covered a lot of ground** in just one hour.
这次讲座在一个小时内涵盖了许多内容。
idiom

cross your fingers

希望事情按你想要的方式发生
Meaning
to hope that things will happen the way you want
Example
I'm **crossing my fingers** that I get the job.
我在祈祷我能得到这份工作。
idiom

come straight to the point

直接而诚实，不浪费时间
Meaning
to be direct and honest without wasting time
Example
Please **come straight to the point** and tell me what happened.
请直接了当告诉我发生了什么。
idiom

come to light

浮出水面；变得为人所知或被揭示
Meaning
to become known or revealed
Example
The truth finally **came to light** after many years.
真相在多年后终于**浮出水面**。
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

chart your own course

独立规划自己的道路或未来
Meaning
to plan your own path or future independently
Example
He decided to **chart his own course** and become an entrepreneur.
他决定**规划自己的道路**并成为企业家。
idiom

come full circle

经历一系列变化后回到原来的状态
Meaning
to return to the original state after a series of changes
Example
After years abroad, she’s **come full circle** and moved back home.
在国外多年后，她回到了原点并搬回了家。
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

carry the load

承担困难的责任
Meaning
to take responsibility for something difficult
Example
She had to **carry the load** after her manager resigned.
在她的经理辞职后，她不得不承担责任。
idiom

chip in for

为共同费用出钱
Meaning
to contribute money toward a shared cost
Example
Everyone agreed to **chip in for** a farewell cake.
每个人都同意为告别蛋糕出钱。
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

carry the weight

承担重大责任或负担
Meaning
to take on a large responsibility or burden
Example
As the team leader, it's his job to **carry the weight** of the project's success.
作为团队领导，承担**重担**是他的工作，确保项目的成功。
idiom

cream of the crop

一组中的最佳；最优选择
Meaning
the best of a group; the finest selection
Example
These students are the **cream of the crop**.
这些学生是**最棒的**。
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**。
idiom

Crossing the Rubicon

采取一个不可逆转的步骤，带来严重后果。
Meaning
Taking an irreversible step with serious consequences.
Example
By going public with the information, he was **crossing the Rubicon**.
通过公开信息，他迈出了一个不可逆转的步伐。
idiom

chip in

为共同的目标贡献金钱或努力
Meaning
to contribute money or effort to a shared goal
Example
Everyone agreed to **chip in** for Maya’s farewell gift.
大家一致同意为玛雅的告别礼物出钱。
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

Cut one’s losses

停止做一些失败的事情，以避免进一步的损失。
Meaning
To stop doing something that is failing to avoid further loss.
Example
It’s better to **cut your losses** and exit the market now.
现在最好是**减少你的损失**并退出市场。
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。
idiom

crazy about someone

深深地被某人吸引或迷住
Meaning
to be deeply attracted or infatuated with someone
Example
She’s **crazy about** her new boyfriend.
她对她的新男朋友**疯狂**。
idiom

carve up

将某物分成部分
Meaning
to divide something into parts
Example
Let’s **carve up** the timeline into manageable phases.
我们把时间线划分为可管理的阶段。
idiom

chase rainbows

尝试实现不可能的事情
Meaning
to try to achieve something impossible
Example
Stop **chasing rainbows** and focus on reality.
停止**追逐彩虹**，专注于现实。
idiom

cross your mind

短暂地想到某事
Meaning
to think of something briefly
Example
It never **crossed my mind** that he could lie.
我从没想到他会撒谎。
idiom

cut the cord

摆脱对某人或某事的依赖
Meaning
to become independent from someone or something
Example
It’s time for you to **cut the cord** and live on your own.
是时候你独立生活，不再依赖别人了。
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。