a loose cannon
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idiom

a loose cannon

Meaning
A person who behaves unpredictably and may cause problems.
Example
Be careful with him — he’s **a loose cannon**.
idiom

a smart cookie

Meaning
a very clever or intelligent person
Example
Don’t underestimate her; she’s **a smart cookie**.
idiom

A golden opportunity

Meaning
a very good chance to do something
Example
Getting this scholarship is **a golden opportunity** for you.
idiom

act your age

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

a political football

Meaning
an issue used by politicians for their own advantage
Example
Healthcare has become **a political football** in the country.
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

act of kindness

Meaning
a single good deed or gesture to help others
Example
That was such a beautiful **act of kindness**.
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

artificial genius

Meaning
an exceptionally smart system created by humans
Example
Chatbots have become the face of **artificial genius**.
idiom

a full plate

Meaning
to be very busy or have many things to do
Example
I can’t join the trip now; I’ve got **a full plate**.
idiom

as thick as thieves

Meaning
To be very close friends who share secrets.
Example
Lisa and Nora are **as thick as thieves** since childhood.
idiom

a blank slate

Meaning
a person with no prior knowledge or experience
Example
He came to the school like a **blank slate**.
idiom

a tough decision to make

Meaning
a decision that is difficult to make because of the potential consequences
Example
Choosing between two job offers was **a tough decision to make**.
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 meeting of minds

Meaning
a situation where people agree or have a shared understanding
Example
The agreement was the result of a real **meeting of minds**.
idiom

all smiles

Meaning
very happy and cheerful
Example
He was **all smiles** after hearing the compliment.
idiom

a burning desire

Meaning
a strong and intense wish to achieve something
Example
She has **a burning desire** to become the best in her field.
idiom

AI-powered

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.
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.
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.
idiom

algorithmic trading

Meaning
the use of algorithms to automate trading in financial markets
Example
Banks are increasingly using **algorithmic trading** to optimize their investments.
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

artificial neural network

Meaning
an AI system designed to mimic the human brain's ability to recognize patterns and solve problems.
Example
The **artificial neural network** is capable of processing data in a way similar to the human brain.
idiom

ace a test

Meaning
to do extremely well on a test
Example
He studied hard and managed to **ace the test**.
idiom

a catnap

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

a man of integrity

Meaning
someone who is honest and morally upright
Example
He is known as **a man of integrity** in the business world.
idiom

a happy camper

Meaning
a person who is content and satisfied with life
Example
After getting the job, he’s been **a happy camper**.
idiom

air out

Meaning
to let fresh air into a space
Example
Open the windows to **air out** the room.
idiom

at sixes and sevens

Meaning
in a state of confusion or disorder
Example
After the renovation, the office was **at sixes and sevens** for weeks.
idiom

a labor of love

Meaning
something done out of passion, not for money
Example
Building that model train was **a labor of love** for him.
idiom

a feather in one’s cap

Meaning
an achievement to be proud of
Example
Winning the national award was **a feather in his cap**.
idiom

age before beauty

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.
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

a heart of steel

Meaning
someone who is emotionally strong and unyielding
Example
Despite all the challenges, he handled everything with **a heart of steel**.
idiom

a ticking time bomb

Meaning
A situation or person that could become dangerous at any moment.
Example
His anger issues make him **a ticking time bomb**.
idiom

An old friend is better than two new ones

Meaning
Long-time friends are more valuable than new ones.
Example
I trust John more than anyone else—**an old friend is better than two new ones**.
idiom

add color to

Meaning
to make something more interesting or lively
Example
The teacher’s stories **added color to** the history lesson.
idiom

ahead of the pack

Meaning
to be more successful than competitors
Example
Her innovative ideas always keep her **ahead of the pack**.
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 negative outlook

Meaning
A pessimistic attitude or perspective
Example
He always has **a negative outlook** on life.
idiom

an out of this world experience

Meaning
an extraordinary or exceptional experience
Example
The view from the space station was truly **an out of this world experience**.
idiom

A scoop

Meaning
An exclusive piece of news
Example
The journalist got **a scoop** about the minister’s resignation.
idiom

a barrel of laughs

Meaning
someone or something very funny or entertaining
Example
The new comedy show is **a barrel of laughs**.
idiom

a quantum leap

Meaning
a big and sudden improvement
Example
This discovery is **a quantum leap** in medical research.
idiom

a man of vision

Meaning
a person who has foresight and imagination
Example
He is **a man of vision** who transformed the company.
idiom

apology accepted

Meaning
used to say that you forgive someone
Example
Don’t worry, **apology accepted**.
idiom

all in the same boat

Meaning
in the same situation or facing the same challenges
Example
We're all **in the same boat**, so let's work together to solve this problem.
idiom

add insult to injury

Meaning
to make a bad situation even worse
Example
First, they lost the game, and then, to **add insult to injury**, their bus broke down.
idiom

against the odds

Meaning
to succeed despite many difficulties or challenges
Example
They won the game **against all odds**, proving their hard work paid off.
idiom

a masterpiece in the making

Meaning
something that has great potential to become exceptional
Example
Her new sculpture is **a masterpiece in the making**.
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 tough cookie

Meaning
someone who is strong and not easily upset
Example
She’s **a tough cookie**; nothing can discourage her.
idiom

A friend is a treasure

Meaning
A true friend is invaluable and precious.
Example
I've known her for years, and she's always been there for me; **a friend is a treasure**.
idiom

Airhead

Meaning
A silly or foolish person.
Example
Don't be such an **airhead**, pay attention!
idiom

a clean slate

Meaning
a fresh start; an opportunity to begin again without past mistakes
Example
He moved to a new city for **a clean slate**.
idiom

adapt or perish

Meaning
to survive, one must adjust to the new conditions
Example
In the business world, it's all about **adapt or perish**.
idiom

At your own risk

Meaning
You are responsible for any possible danger or loss.
Example
You can enter the cave, but it’s **at your own risk**.
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.
idiom

a tough act to follow

Meaning
something so impressive that others find it hard to match or surpass
Example
His last performance was **a tough act to follow**.
idiom

art imitates life

Meaning
art reflects real-life experiences or truths
Example
**Art imitates life**, and great artists capture that essence.
idiom

at the end of the rope

Meaning
to have no more patience or strength left to deal with a problem
Example
She’s **at the end of her rope** trying to manage her work and family together.
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 breakthrough

Meaning
a significant discovery or achievement in science or research
Example
The team made **a breakthrough** in cancer research.
idiom

A bright future lies ahead

Meaning
there is hope for success in the future
Example
With his talent and hard work, **a bright future lies ahead** for him.
idiom

a wolf in sheep's clothing

Meaning
someone who appears harmless but is actually dangerous
Example
He was **a wolf in sheep's clothing**.
idiom

a close call

Meaning
A situation where a disaster or accident was narrowly avoided.
Example
That was **a close call** — the car almost hit us!
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 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

a law unto oneself

Meaning
someone who acts independently and ignores rules
Example
He’s **a law unto himself**, never following company policies.
idiom

a closed book

Meaning
something or someone that is difficult to understand
Example
He’s **a closed book** when it comes to his personal life.
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

as strong as an ox

Meaning
very strong and powerful
Example
He’s **as strong as an ox** after years of training.
idiom

a snowball effect

Meaning
a situation in which something increases in size or importance at a faster and faster rate
Example
The more followers she got, the more famous she became, creating **a snowball effect**.
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 giant leap

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

at each other’s throats

Meaning
to be in constant conflict or fighting
Example
The two brothers were **at each other’s throats** all day.
idiom

addiction to something

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

A blueprint for success

Meaning
A detailed plan or strategy for achieving success.
Example
Hard work and consistency are **a blueprint for success**.
idiom

ace the test

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

a slow learner

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**.
idiom

a clear conscience

Meaning
a state of being free from guilt or regret
Example
She could sleep soundly at night because she had **a clear conscience**.
idiom

A bright future awaits

Meaning
good things are coming ahead
Example
Despite the challenges, a **bright future awaits** you.
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

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 guiding light

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

a kind heart

Meaning
a person who is generous and caring
Example
Her **kind heart** is what makes her loved by everyone.
idiom

at war with oneself

Meaning
to be conflicted or struggling internally
Example
She is **at war with herself** about the decision to move abroad.
idiom

as free as a bird

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

a win-win situation

Meaning
a situation where everyone benefits
Example
Merging the two companies created **a win-win situation** for both parties.
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 thirst for knowledge

Meaning
A strong desire to learn new things.
Example
He has **a thirst for knowledge** and reads constantly.
idiom

A stitch in time saves nine

Meaning
Solving a small problem early prevents a bigger problem later.
Example
Fix that leak now — a stitch in time saves nine.
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 fool and his money are soon parted

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**.
idiom

at death’s door

Meaning
very close to death
Example
He was **at death’s door** before the doctors saved him.
idiom

a dark horse

Meaning
a person who keeps their skills or plans secret until an important moment
Example
Nobody expected her to win; she was **a dark horse**.
idiom

a social butterfly

Meaning
someone who is very social and enjoys meeting people
Example
He’s **a social butterfly**, always at some event or gathering.
idiom

a chip off the old block

Meaning
someone who is very similar to their parent
Example
Your daughter is so smart — she’s **a chip off the old block**.
idiom

a heart of gold

Meaning
someone who is very kind and caring
Example
She has **a heart of gold**, always helping anyone in need.
idiom

as fit as a fiddle

Meaning
in very good health
Example
My grandfather is 80 but still **as fit as a fiddle**.
idiom

at a crossroads

Meaning
at a point where a decision must be made
Example
After years of travel, she found herself **at a crossroads** in life.
idiom

a smooth sea never made a skilled sailor

Meaning
Challenges and difficulties make people stronger and more experienced.
Example
Remember, **a smooth sea never made a skilled sailor**—you’ll learn from tough times.
idiom

a house divided against itself cannot stand

Meaning
a group or organization that is divided in opinion or direction cannot succeed
Example
In a team, **a house divided against itself cannot stand**; everyone needs to agree on the same goal.
idiom

A Catch-22

Meaning
A dilemma or difficult situation from which there is no escape because of mutually conflicting conditions.
Example
It’s a **Catch-22**—you can’t get a job without experience, but you can’t get experience without a job.
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

A solid foundation

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.
idiom

a turning point

Meaning
a moment when an important change happens
Example
Graduating from college was a **turning point** in his life.
idiom

A bright idea

Meaning
a clever or innovative idea
Example
She came up with a **bright idea** for the new marketing campaign.
idiom

an old hand

Meaning
someone very experienced at something
Example
She’s **an old hand** at managing big events.
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

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

artificial empathy

Meaning
AI's ability to simulate or mimic human emotions
Example
The robot therapist shows **artificial empathy** during sessions.
idiom

a steep learning curve

Meaning
when something is difficult to learn, usually quickly
Example
The new software had a **steep learning curve**, but I managed to understand it.
idiom

a bitter pill to swallow

Meaning
an unpleasant fact or situation to accept
Example
Losing the championship was **a bitter pill to swallow** for the team.
idiom

a foot in the door

Meaning
to have a small opportunity to start working in a company or industry
Example
An internship is a great way to get **a foot in the door**.
idiom

A flash of inspiration

Meaning
A sudden creative idea
Example
He had **a flash of inspiration** while working late at night.
idiom

a roller coaster of emotions

Meaning
experiencing intense and fluctuating emotions
Example
Her life has been **a roller coaster of emotions** since the accident.
idiom

a stroke of luck

Meaning
something good that happens by chance
Example
It was **a stroke of luck** that I found my lost wallet.
idiom

a blank page

Meaning
a new beginning; an opportunity to start fresh
Example
After graduation, she saw her life as **a blank page** waiting to be written.
idiom

a match made in heaven

Meaning
a perfect couple, very well suited for each other
Example
They are truly **a match made in heaven**.
idiom

act the part

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**.