a cog in the machine
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idiom

a cog in the machine

Meaning
a small but essential part of a large system
Example
Every engineer is **a cog in the machine** that keeps the factory running.
idiom

a dream come true

Meaning
something that happens which you always wished for
Example
Getting that scholarship was **a dream come true** for her.
idiom

A truth universally acknowledged

Meaning
A widely accepted truth or belief.
Example
**A truth universally acknowledged** is that honesty is important.
idiom

a workaholic

Meaning
a person who works too much and finds it hard to stop
Example
He’s such **a workaholic**, even on weekends he works.
idiom

A friend to all is a friend to none

Meaning
Someone who tries to please everyone may end up pleasing no one
Example
He is friendly to everyone, but he has no real close friends because **a friend to all is a friend to none**.
idiom

an open book

Meaning
someone who is easy to understand or very honest
Example
He’s **an open book**; you can always tell what he’s thinking.
idiom

at the end of your rope

Meaning
to be extremely frustrated and have no patience left
Example
After dealing with delays all day, she was **at the end of her rope**.
idiom

a peaceful resolution

Meaning
a solution that resolves a conflict calmly
Example
They reached **a peaceful resolution** after several discussions.
idiom

art for art’s sake

Meaning
art should be valued for its beauty and not for any moral or political purpose
Example
He believes in **art for art’s sake**, not propaganda.
idiom

a friend in need is a friend indeed

Meaning
a true friend helps you in difficult times
Example
When I was sick, Jane took care of me—**a friend in need is a friend indeed**.
idiom

a thorn in one's side

Meaning
a constant source of annoyance or trouble
Example
The trade dispute has become **a thorn in our side**.
idiom

a big mouth

Meaning
a person who talks too much or reveals secrets
Example
Don’t tell Jake, he’s **a big mouth**!
idiom

a peace of mind

Meaning
a state of mental and emotional calmness
Example
After the long vacation, she finally got **a peace of mind**.
idiom

a dime a dozen

Meaning
very common and not valuable
Example
Those toys are **a dime a dozen** at the market.
idiom

alien invasion

Meaning
a sudden arrival or overwhelming presence of something unfamiliar
Example
The mall felt like an **alien invasion** during the sale.
phrasal-verb

argue with

Meaning
to disagree or fight verbally with someone
Example
My brother often **argues with** me about household chores.
idiom

a cold fish

Meaning
someone who is unemotional or not friendly
Example
He seemed **a cold fish** when I first met him.
idiom

a piece of cake

Meaning
something that is very easy to do
Example
The exam was **a piece of cake** for me.
idiom

a snake in the grass

Meaning
a secret enemy
Example
Be careful; there’s **a snake in the grass**.
idiom

a cut above

Meaning
better than others; superior in quality or ability
Example
Her work is **a cut above** the rest.
phrasal-verb

adapt around

Meaning
to modify plans or behavior to fit changing circumstances
Example
We need to **adapt around** the new market trends quickly.
idiom

a giant leap for mankind

Meaning
a significant or groundbreaking achievement
Example
The first man landing on the moon was truly **a giant leap for mankind**.
phrasal-verb

ask over

Meaning
to invite someone to your place, often to talk or apologize
Example
He **asked her over** to say sorry for what happened.
idiom

actions speak louder than words

Meaning
what people do is more important than what they say
Example
**Actions speak louder than words**, so prove it with effort.
idiom

A hit piece

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.
idiom

A battle of wits

Meaning
A contest or situation where people use intelligence or cleverness to outsmart each other.
Example
The negotiations were a true **battle of wits** between the two leaders.
idiom

a stroke of genius

Meaning
a brilliant and creative idea
Example
Her design was **a stroke of genius**.
idiom

a double-edged sword

Meaning
something that has both positive and negative consequences
Example
The internet is **a double-edged sword**; it provides vast information but also exposes us to privacy risks.
phrasal-verb

advocate for

Meaning
to publicly support a cause or person
Example
Students **advocate for** safer campuses at the town hall.
idiom

A nervous wreck

Meaning
Someone who is very worried or upset.
Example
He’s **a nervous wreck** before every exam.
idiom

A political animal

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**.
idiom

adapt to change

Meaning
to adjust to new circumstances or environments
Example
In order to succeed, you must learn to **adapt to change**.
idiom

a rollercoaster of emotions

Meaning
to experience very high and very low emotional states in a short time
Example
The week was **a rollercoaster of emotions**, with moments of joy and sadness.
idiom

add fuel to the fire

Meaning
to make a bad situation worse
Example
Your comments **added fuel to the fire**.
idiom

a man with a mission

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.
phrasal-verb

adjust to

Meaning
to gradually become comfortable with a new situation
Example
It can be hard to **adjust to** a new country's social norms.
idiom

at loggerheads

Meaning
in strong disagreement or conflict
Example
The two departments have been **at loggerheads** over the new policy.
idiom

act your age

Meaning
behave in a manner appropriate to your age
Example
Stop being so childish and **act your age**!
idiom

a go-getter

Meaning
someone who is very energetic and determined to succeed
Example
He’s **a go-getter** who never gives up on his goals.
phrasal-verb

aim at

Meaning
to have a particular goal or purpose
Example
This research **aims at** improving online education quality.
idiom

as happy as a clam

Meaning
feeling completely happy and content
Example
After a long vacation, he was **as happy as a clam**.
idiom

adapt or die

Meaning
to survive, one must adjust to changing conditions
Example
In business, it’s **adapt or die**.
idiom

ask around

Meaning
to inquire with several people
Example
I’ll **ask around** to see who can cover the shift.
idiom

as luck would have it

Meaning
by chance; fortunately or unfortunately
Example
**As luck would have it**, I met my old friend at the airport.
idiom

A hard row to hoe

Meaning
A difficult task or challenge.
Example
Getting this project done on time is going to be **a hard row to hoe**.
idiom

android-like

Meaning
acting emotionless or mechanical like a robot
Example
He works in an **android-like** manner, without any emotion.
idiom

air gap

Meaning
a physical separation between secure and insecure systems
Example
Critical networks are kept **air-gapped** to prevent unauthorized access.
idiom

as honest as the day is long

Meaning
completely honest and trustworthy
Example
Everyone knows that Tom is **as honest as the day is long**.
idiom

a fine line

Meaning
a very small difference between two things
Example
There’s **a fine line** between genius and madness in art.
idiom

a power play

Meaning
a strategic move to gain control or influence over a situation
Example
His decision to challenge the leader was a clear **power play**.
idiom

algorithm

Meaning
a set of rules or instructions for solving a problem or performing a task
Example
The **algorithm** sorts the data into categories.
phrasal-verb

appreciate for

Meaning
to recognize the value of someone or something
Example
I really **appreciate you for** staying late to finish the work.
phrasal-verb

adapt around challenges

Meaning
to change plans or behavior to deal with obstacles effectively
Example
Our team had to **adapt around challenges** when the project timeline shifted.
idiom

A red herring

Meaning
A misleading clue or distraction intended to divert attention from the real issue.
Example
The new law was just a **red herring** to distract from the corruption scandal.
idiom

a sound mind in a sound body

Meaning
mental health depends on physical health
Example
**A sound mind in a sound body** is the key to a happy life.
idiom

As green as grass

Meaning
Very inexperienced or new at something.
Example
He’s **as green as grass** in his new job.
idiom

ace the test

Meaning
to perform extremely well on an exam or task
Example
She **aced the test** and got the highest score.
phrasal-verb

allocate to

Meaning
to assign or distribute resources to a specific task or person
Example
The manager decided to **allocate** more funds **to** the marketing team.
phrasal-verb

adapt within communities

Meaning
to adjust behavior and habits to fit in with a local community
Example
Immigrants often need to **adapt within communities** to feel at home.
idiom

a long shot

Meaning
something that has a very small chance of success
Example
Winning the competition is **a long shot**, but we’ll try.
idiom

As cool as a cucumber

Meaning
Very calm and relaxed.
Example
Even in stressful situations, she stays **as cool as a cucumber**.
idiom

a job well done

Meaning
a task completed with great success
Example
The project was completed ahead of schedule, truly **a job well done**.
idiom

a good Samaritan

Meaning
a person who helps others in need
Example
A **good Samaritan** helped the injured man on the road.
idiom

A pretty picture

Meaning
A pleasant or ideal situation; often used ironically
Example
This isn’t **a pretty picture** – we need to fix these problems.
idiom

a fair game

Meaning
a situation where both parties have equal opportunities to succeed or compromise
Example
The terms of the contract were discussed until both sides agreed it was **a fair game**.
idiom

a chapter of one’s life

Meaning
a period or stage in someone’s life
Example
Leaving college was the end of an important **chapter of her life**.
idiom

at the end of the day

Meaning
when everything is considered; ultimately
Example
**At the end of the day**, teamwork solved the problem.
idiom

a well-oiled machine

Meaning
a group that works efficiently and smoothly together
Example
Our team worked like **a well-oiled machine** during the event.
idiom

At a snail’s pace

Meaning
Very slowly.
Example
The traffic was moving **at a snail’s pace**.
idiom

a wake-up call

Meaning
an event that makes someone realize they need to change
Example
Losing his job was a **wake-up call** for him.
idiom

addiction to something

Meaning
a strong and harmful need to do or use something
Example
He is struggling with his **addiction to smoking**.
phrasal-verb

allow for

Meaning
to consider possible factors when planning something
Example
When assessing risk, always **allow for** human error.
idiom

a spark of genius

Meaning
a sudden and brilliant idea
Example
Her **spark of genius** helped us solve the problem quickly.
idiom

A Trojan horse

Meaning
Something intended to secretly undermine or bring harm from within.
Example
The malware acted as **a Trojan horse**, allowing hackers access to private data.
idiom

A politician's promise is like a bubble

Meaning
a politician's promises are often unrealistic or unattainable
Example
You can't trust his plans; **a politician's promise is like a bubble**.
idiom

a clean bill of health

Meaning
a report confirming good health
Example
The doctor gave me **a clean bill of health** after the check-up.
idiom

a shot in the arm

Meaning
something that gives encouragement or energy
Example
The new funding was **a real shot in the arm** for the project.
idiom

a front-page story

Meaning
a news story that is important enough to be placed on the front page of a newspaper
Example
The fire in the city center was **a front-page story** for the national newspapers.
idiom

a guiding light

Meaning
someone who inspires or leads others toward success
Example
Her courage became **a guiding light** for the whole team.
idiom

AI accountability

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.
idiom

a penny for your thoughts

Meaning
a way of asking someone what they are thinking about
Example
You look lost in thought — **a penny for your thoughts**?
idiom

a light at the end of the tunnel

Meaning
a sign that a situation will improve soon; hope in a difficult situation
Example
After months of hard work, she finally saw **a light at the end of the tunnel**.
idiom

as fresh as a daisy

Meaning
full of energy and not tired
Example
Even after the hike, she looked **as fresh as a daisy**.
idiom

a flash in the pan

Meaning
something that seems promising at first but fails to deliver
Example
The peace talks were just **a flash in the pan**.
phrasal-verb

add up to

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.
idiom

at peace with oneself

Meaning
feeling calm and accepting of oneself
Example
She felt **at peace with herself** after making the decision.
idiom

A true friend is one who stands by you

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**.
idiom

a thing of the past

Meaning
something that no longer exists or happens
Example
With smartphones, landline phones are **a thing of the past**.
idiom

a taste of your own medicine

Meaning
to experience the same unpleasantness you caused to others
Example
He was rude to everyone, but now he’s getting **a taste of his own medicine**.
idiom

A Scrooge

Meaning
A very stingy or miserly person.
Example
Don’t be **a Scrooge**—it’s Christmas!
idiom

a party animal

Meaning
someone who loves going to parties
Example
My roommate is **a party animal**; she goes out every weekend.
idiom

a stepping stone

Meaning
an event or experience that helps one to progress
Example
This internship was **a stepping stone** to my career.
idiom

a window of opportunity

Meaning
a short period when one has a chance to act effectively
Example
We have **a window of opportunity** to finalize the deal this week.
phrasal-verb

account for

Meaning
to explain the reason for something; to represent a portion of something
Example
These factors **account for** most of the differences in results.
idiom

a man of his word

Meaning
a person who keeps their promises
Example
He’s **a man of his word**, you can trust him.
idiom

a piece of the puzzle

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.
idiom

a bright spark

Meaning
a clever and intelligent person; someone with original ideas
Example
He's such **a bright spark**; he always finds innovative solutions.
phrasal-verb

adhere to

Meaning
to follow or obey a rule, law, or belief strictly
Example
All organizations must **adhere to** government policies.
idiom

an apple a day keeps the doctor away

Meaning
eating healthy food helps you stay well
Example
My mom always says, '**An apple a day keeps the doctor away**.'
idiom

as easy as ABC

Meaning
very easy to do or understand
Example
For him, solving math problems is **as easy as ABC**.
idiom

against the ropes

Meaning
in a difficult situation or near defeat
Example
The company was **against the ropes**, but it managed to recover.
idiom

a catnap

Meaning
a short, light sleep
Example
I took **a catnap** after lunch.
idiom

a quick study

Meaning
someone who learns new things very fast
Example
She’s **a quick study** and mastered the topic in a day.
idiom

at your wits' end

Meaning
to be so worried or stressed that you don’t know what to do
Example
I’m **at my wits’ end** trying to finish all this work.
idiom

a light bulb moment

Meaning
a moment of sudden inspiration or realization
Example
She had **a light bulb moment** during the meeting.
idiom

a whole new ball game

Meaning
a completely new or different situation; something that changes the way things are done.
Example
Starting a business from scratch is **a whole new ball game**.
phrasal-verb

align efforts toward

Meaning
to direct teamwork and actions toward a shared objective
Example
We need to **align efforts toward** achieving long-term goals.
phrasal-verb

adapt from experience

Meaning
to change behavior or methods based on what one has learned
Example
Good leaders **adapt from experience** to face new challenges.
idiom

alien concept

Meaning
something unfamiliar or strange
Example
Honesty seems like an **alien concept** to him.
idiom

a glimmer of hope

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**.
idiom

a blast from the past

Meaning
something that reminds you of an earlier time
Example
Seeing that old photo album was **a blast from the past**.
idiom

a change of heart

Meaning
a change in one’s opinion or feelings
Example
She had **a change of heart** and decided to stay.
idiom

a silver bullet

Meaning
a simple solution to a complex problem
Example
There is no **silver bullet** for solving climate change, but we need to take action.
idiom

a learning curve

Meaning
the process of learning something new, especially one that requires time and effort
Example
There was a steep **learning curve** when I first started the project.
phrasal-verb

add up revenue

Meaning
to calculate total income or sales
Example
The accountant will **add up revenue** from all branches.
phrasal-verb

attach to

Meaning
to include a file or document with an email
Example
I've **attached** the report **to** this email.
idiom

a slippery slope

Meaning
a course of action that seems to lead to undesirable or dangerous consequences
Example
Starting to ignore small violations can lead to **a slippery slope** of bigger legal issues.
idiom

as free as a bird

Meaning
completely free; without worries
Example
After the exams, I felt **as free as a bird**.
idiom

A watched pot never boils

Meaning
Time feels longer when you are waiting for something.
Example
Don't keep looking at the clock; **a watched pot never boils**.
idiom

at the top of one’s game

Meaning
to be performing at one’s best level
Example
The athlete is **at the top of his game** this season.
idiom

A giant leap

Meaning
A significant advancement or achievement.
Example
Landing on the moon was **a giant leap** for mankind.