Cogito, ergo sum
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idiom

Cogito, ergo sum

Meaning
I think, therefore I am. A fundamental philosophical proposition that asserts the act of thinking is proof of one's existence.
Example
René Descartes' famous phrase **Cogito, ergo sum** highlights the importance of self-awareness in understanding existence.
idiom

chip in for

Meaning
to contribute money toward a shared cost
Example
Everyone agreed to **chip in for** a farewell cake.
idiom

cash in on

Meaning
to profit from a situation, often quickly
Example
Several startups tried to **cash in on** the sudden trend.
idiom

cut somebody some slack

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**.
idiom

carve out a niche

Meaning
to establish a unique place or role for oneself
Example
She **carved out a niche** as a specialist in art restoration.
idiom

conversion rate

Meaning
The percentage of visitors to a website who take a desired action, such as making a purchase or signing up.
Example
Our **conversion rate** has significantly improved after the redesign of the website.
idiom

Climb the ranks

Meaning
To move up to higher positions through hard work and experience.
Example
He **climbed the ranks** from an intern to a manager in five years.
idiom

change with the times

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**.
idiom

crack down on

Meaning
to take strict action to stop something
Example
The city plans to **crack down on** illegal parking downtown.
idiom

cross your mind

Meaning
to think of something briefly
Example
It never **crossed my mind** that he could lie.
idiom

cover story

Meaning
the main story on the front of a magazine or newspaper
Example
Her interview became the **cover story** of the week.
idiom

Cook the books

Meaning
To falsify financial records to hide losses or theft.
Example
The accountant was fired for trying to **cook the books**.
idiom

cross the ethical line

Meaning
to do something that is considered morally wrong in ethics
Example
Selling user data without permission **crosses the ethical line**.
idiom

cry wolf

Meaning
to raise a false alarm
Example
Do not **cry wolf** or no one will believe you later.
idiom

chip in

Meaning
to contribute money or effort to a shared goal
Example
Everyone agreed to **chip in** for Maya’s farewell gift.
idiom

change your mind

Meaning
to decide something different from before
Example
She **changed her mind** about going to the party.
idiom

crossed wires

Meaning
a misunderstanding between two people
Example
We must have **crossed wires** about the meeting time.
idiom

call the bluff

Meaning
to challenge someone to prove their authority or claim
Example
She **called his bluff** when he threatened to quit.
idiom

cold feet

Meaning
to feel nervous or hesitant about something
Example
He got **cold feet** before proposing to her.
idiom

cut loose

Meaning
to behave freely and enjoy oneself
Example
It’s the weekend—time to **cut loose**!
idiom

Cheer up

Meaning
Become happier; don’t be sad.
Example
It’s not the end of the world—**cheer up**!
idiom

come out of one's shell

Meaning
to become more outgoing or confident
Example
She used to be shy, but now she has finally **come out of her shell**.
idiom

clean up your act

Meaning
to start behaving more responsibly.
Example
You need to **clean up your act** if you want that promotion.
idiom

carve out

Meaning
to create or obtain something with effort
Example
She managed to **carve out** time for daily reading.
idiom

Chart a course

Meaning
To plan a way to achieve something.
Example
The company has **charted a course** for global expansion.
idiom

carry the burden

Meaning
to take on responsibility or a difficult task
Example
She had to **carry the burden** of the entire project alone.
idiom

cold war

Meaning
a state of political hostility and tension between countries without actual warfare
Example
During the 20th century, the United States and the Soviet Union were engaged in a **cold war**.
idiom

chatterbox

Meaning
a person who talks a lot
Example
My little sister is a real **chatterbox**.
idiom

call on

Meaning
to request someone to speak or do something
Example
The teacher will **call on** you if you raise your hand.
idiom

Clean hands

Meaning
To be innocent or free from guilt.
Example
He claims to have **clean hands** in the scandal.
idiom

call the tune

Meaning
to be in control; to make important decisions
Example
In this company, the investors **call the tune**.
idiom

Cook up a story

Meaning
To invent a false story.
Example
He **cooked up a story** to explain why he was late.
idiom

clamp down

Meaning
to take strong action to stop something
Example
The manager decided to **clamp down** on late arrivals.
idiom

clear the decks

Meaning
Prepare for action by removing unnecessary things.
Example
We need to **clear the decks** before the new project begins.
idiom

Caught with your pants down

Meaning
To be caught unprepared or embarrassed.
Example
The manager was **caught with his pants down** when asked about the figures.
idiom

change your tune

Meaning
to change your opinion or attitude
Example
He criticized the plan at first but later **changed his tune**.
idiom

cop a plea

Meaning
to plead guilty to a lesser charge in order to avoid a more severe penalty
Example
He decided to **cop a plea** and serve a shorter sentence.
idiom

crossing the aisle

Meaning
when a politician supports or votes for the opposite party
Example
She surprised everyone by **crossing the aisle** to support the bill.
idiom

carry out one's duties

Meaning
to perform one's assigned tasks or responsibilities
Example
He always **carries out his duties** with honesty and dedication.
idiom

cutting edge

Meaning
the most advanced or innovative
Example
Our company is working on **cutting edge** AI technology.
idiom

call around

Meaning
to contact several people or places by phone
Example
I’ll **call around** to find a venue with parking.
idiom

come into the spotlight

Meaning
to receive public attention or recognition
Example
She **came into the spotlight** after winning the award.
idiom

crash the system

Meaning
to cause complete failure in a system or process
Example
One wrong command can **crash the system**.
idiom

cry over spilled milk

Meaning
to be upset about something that cannot be changed
Example
There's no use **crying over spilled milk**.
idiom

cold shoulder

Meaning
to ignore someone deliberately
Example
After the argument, she gave him the **cold shoulder** for days.
idiom

castles in the air

Meaning
dreams or plans that are impossible or unrealistic
Example
He’s always building **castles in the air** about his future.
idiom

chill out

Meaning
to relax and stop being angry or nervous
Example
You need to **chill out** and enjoy the weekend.
idiom

call it quits

Meaning
to stop or end something
Example
After working for hours, they decided to **call it quits** for the day.
idiom

Cut your losses

Meaning
To stop doing something that is no longer profitable.
Example
It’s better to **cut your losses** and move on.
idiom

cut through the noise

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.
idiom

cloud computing

Meaning
the practice of using remote servers to store, manage, and process data over the internet
Example
Many businesses rely on **cloud computing** for data storage and security.
idiom

cutting-edge marketing

Meaning
using the latest and most advanced marketing techniques
Example
Our company invests in **cutting-edge marketing** strategies.
idiom

can’t wait

Meaning
to be very eager or impatient for something to happen
Example
I **can’t wait** to see the new movie!
idiom

catch lightning in a bottle

Meaning
to achieve something amazing and rare through creativity or luck
Example
Their new design **caught lightning in a bottle**.
idiom

confide in someone

Meaning
to trust someone enough to tell them secrets
Example
She only **confides in** her best friend.
idiom

cut corners

Meaning
to do something in the easiest or cheapest way
Example
They **cut corners** to finish the project faster.
idiom

couch potato

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.
idiom

cut above the rest

Meaning
to be better than others
Example
His presentation was **a cut above the rest**.
idiom

cut both ways

Meaning
to have both positive and negative effects
Example
Working from home **cuts both ways** – you save time but lose social interaction.
idiom

carve your own path

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.
idiom

come full circle

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.
idiom

catch the travel bug

Meaning
to become very interested in traveling
Example
After visiting Thailand, she really **caught the travel bug**.
idiom

cold fish

Meaning
a person who is unemotional or lacks warmth
Example
He’s such a **cold fish**; he never shows his feelings.
idiom

check over

Meaning
to examine something carefully for mistakes
Example
Let’s **check over** the draft before sending it.
idiom

crybaby

Meaning
someone who complains or cries easily
Example
Don’t be a **crybaby**, it’s just a small scratch.
idiom

Crossing the line

Meaning
To go beyond acceptable or proper boundaries.
Example
The diplomat was criticized for **crossing the line** in his comments about the host country.
idiom

Cultural shock

Meaning
A feeling of confusion when exposed to a different culture or way of life
Example
Moving from a small village to a big city gave me **cultural shock**.
idiom

calm down

Meaning
to become less angry or upset
Example
Please **calm down**, everything is under control.
idiom

cracks in the wall

Meaning
signs of problems or weaknesses in a system or relationship
Example
There are **cracks in the wall** of their friendship lately.
idiom

call a truce

Meaning
to agree to stop fighting or arguing for a while
Example
They decided to **call a truce** until the boss arrived.
idiom

Catwalk queen

Meaning
A woman who is very confident and stylish, like a model
Example
She walked into the room like a **catwalk queen**.
idiom

come straight to the point

Meaning
to be direct and honest without wasting time
Example
Please **come straight to the point** and tell me what happened.
idiom

cover all bases

Meaning
to prepare for all possible situations
Example
Before the presentation, we need to **cover all bases**.
idiom

cold call

Meaning
to contact a potential customer without prior introduction
Example
He spent all morning making **cold calls** to new clients.
idiom

Caught on camera

Meaning
Recorded on video; captured visually
Example
The accident was **caught on camera** by a passerby.
idiom

come out on top

Meaning
to be the best or most successful in a situation
Example
Despite the competition, she **came out on top**.
idiom

cry one’s heart out

Meaning
to cry very hard due to sadness
Example
She **cried her heart out** after the breakup.
idiom

circle back

Meaning
to return to a topic or task later
Example
Let's **circle back** to this issue after lunch.
idiom

carry the weight

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.
idiom

clash of wills

Meaning
a conflict between two determined people
Example
It was a **clash of wills** between the manager and the employee.
idiom

call to order

Meaning
to officially begin a meeting or discussion
Example
The chairperson **called the meeting to order** at 10 AM.
idiom

clear away

Meaning
to remove things to tidy a space
Example
Please **clear away** the dishes after lunch.
idiom

carry the load

Meaning
to take responsibility for something difficult
Example
She had to **carry the load** after her manager resigned.
idiom

clash of civilizations

Meaning
the conflict between different cultural, religious, or civilizational groups
Example
The debate about cultural differences is often seen as a **clash of civilizations**.
idiom

check in on

Meaning
to monitor or see how someone or something is doing
Example
Could you **check in on** the kids while I'm out?
idiom

clear up

Meaning
to make something easier to understand or to tidy a place
Example
Let me **clear up** the schedule so everyone knows their tasks.
idiom

come a long way

Meaning
to make a lot of progress or improvement
Example
She has **come a long way** since she started her career.
idiom

come out with it

Meaning
to say something openly or honestly that you’ve been hiding
Example
Stop hesitating and just **come out with it**!
idiom

clear your head

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**.
idiom

chew someone out

Meaning
to angrily scold or criticize someone
Example
The coach **chewed out** the team for their poor performance.
idiom

couldn’t care less

Meaning
to show total indifference
Example
She **couldn’t care less** about what people think.
idiom

content is king

Meaning
high-quality content is the most important factor for success online
Example
Never forget that **content is king** in digital marketing.
idiom

cross that bridge when we come to it

Meaning
to deal with a problem only when it arises
Example
Don't worry about the challenges now, we will **cross that bridge when we come to it**.
idiom

circle around

Meaning
to move repeatedly around something
Example
The hawk kept **circling around** above the trees.
idiom

chain reaction

Meaning
a series of events triggered by one event
Example
One breakthrough can start a **chain reaction** of new innovations.
idiom

Cut class

Meaning
To skip a class without permission
Example
He **cut class** to watch a movie.
idiom

catch a bug

Meaning
to find a problem or defect in a system
Example
The developer was able to **catch a bug** in the system before it went live.
idiom

chip away at

Meaning
to gradually work on something to achieve a result
Example
She **chipped away at** her thesis every evening until it was finished.
idiom

crash and burn

Meaning
to fail completely or suddenly
Example
The new software update **crashed and burned** after launch.
idiom

create buzz

Meaning
to generate excitement and talk about a product or event
Example
The teaser video helped **create buzz** before the product launch.
idiom

caught red-handed

Meaning
to be caught in the act of doing something wrong
Example
The thief was **caught red-handed** stealing the wallet.
idiom

couldn't believe my eyes

Meaning
to be so surprised that you doubt what you see
Example
I **couldn’t believe my eyes** when I saw the results.
idiom

circle of friends

Meaning
a group of people you are friendly with
Example
She has a large **circle of friends** from college.
idiom

cut a deal

Meaning
to reach a business agreement quickly
Example
They **cut a deal** to save both companies money.
idiom

climb the ladder

Meaning
to move up in position or success, especially in a career
Example
He worked hard to **climb the ladder** in his company.
idiom

clear the air

Meaning
to remove tension or misunderstanding by talking openly
Example
We need to sit down and **clear the air** about what happened last week.
idiom

caught between two stools

Meaning
to fail because of trying to do two things at once
Example
He was **caught between two stools**—trying to please both his boss and his team.
idiom

carry the world on your shoulders

Meaning
to feel responsible for everything; to take on too much stress
Example
You can’t **carry the world on your shoulders**; learn to share the load.
idiom

come crashing down

Meaning
to suddenly fail or collapse
Example
Their plans **came crashing down** after the crisis.
idiom

code the future

Meaning
to create innovations that shape future technology
Example
AI researchers are working hard to **code the future**.
idiom

come of age

Meaning
to reach maturity; to become fully developed
Example
The company has **come of age** in the last few years.
idiom

cream of the crop

Meaning
the best of a group; the finest selection
Example
These students are the **cream of the crop**.
idiom

Cut one’s losses

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.
idiom

cool as a cucumber

Meaning
very calm and composed
Example
He stayed **cool as a cucumber** during the meeting.
idiom

come to light

Meaning
to become known or revealed
Example
The truth finally **came to light** after many years.
idiom

come to the rescue

Meaning
to help someone in trouble
Example
A firefighter **came to the rescue** of the trapped cat.
idiom

chase rainbows

Meaning
to try to achieve something impossible
Example
Stop **chasing rainbows** and focus on reality.
idiom

chart your own course

Meaning
to plan your own path or future independently
Example
He decided to **chart his own course** and become an entrepreneur.
idiom

climb the ladder of success

Meaning
to achieve higher positions in career or life
Example
She’s been **climbing the ladder of success** through hard work.
idiom

clue in

Meaning
to give someone the necessary information
Example
Can you **clue me in** on the schedule changes?
idiom

check in with

Meaning
to contact someone to exchange updates
Example
I’ll **check in with** the vendor later today.