a quantum leap
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idiom

a quantum leap

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

answer the call of duty

Meaning
to fulfill one's obligation, especially in a difficult situation
Example
Firefighters **answered the call of duty** during the massive fire.
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 rolling stone gathers no moss

Meaning
a person who keeps moving and exploring avoids boredom or stagnation
Example
**A rolling stone gathers no moss**, and he’s always on the move.
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 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 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 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 ray of hope

Meaning
a small sign of possible success or improvement
Example
The new treatment gave patients **a ray of hope**.
idiom

after the rain comes the rainbow

Meaning
good times follow bad times
Example
Don’t lose faith; **after the rain comes the rainbow**.
idiom

A scoop

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

At the drop of a hat

Meaning
Immediately; without hesitation.
Example
He’s ready to help **at the drop of a hat**.
idiom

a weak link

Meaning
the least reliable or secure part of a system or group
Example
One careless employee can be **a weak link** in the security chain.
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 step in the right direction

Meaning
a small action that leads to progress towards a goal
Example
Completing the first phase of the project is definitely **a step in the right direction**.
idiom

A goal without a plan is just a wish

Meaning
Having a goal without a clear plan makes it unlikely to succeed.
Example
Don’t just dream, remember **a goal without a plan is just a wish**.
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 gray area

Meaning
a situation or topic that is not clear or that can be understood in more than one way
Example
The question of intellectual property rights in the digital age is still **a gray area**.
idiom

at the crossroads

Meaning
facing a decision or choice
Example
I’m **at the crossroads** in my career right now.
idiom

As far as I can tell

Meaning
As I understand; based on what I know
Example
As far as I can tell, everything is fine.
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

a lightbulb moment

Meaning
a sudden realization or understanding
Example
When I saw the results, I had a **lightbulb moment**.
idiom

against all odds

Meaning
despite great difficulties or challenges
Example
She succeeded **against all odds** and became a doctor.
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

a miscarriage of justice

Meaning
a wrong or unfair decision by a court
Example
The innocent man’s imprisonment was **a miscarriage of justice**.
idiom

a brush with fame

Meaning
a brief encounter or experience with a famous person
Example
During the exhibition, I had **a brush with fame** when I met a renowned painter.
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

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

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

All hands on deck

Meaning
Everyone must work together or help with a task.
Example
We need **all hands on deck** to finish this project by tomorrow.
idiom

algorithmic bias

Meaning
the systematic favoritism towards certain data or outcomes by an algorithm, often unintentionally.
Example
The development team worked to eliminate **algorithmic bias** in the AI model.
idiom

a Eureka moment

Meaning
a moment of sudden discovery or realization
Example
He had **a Eureka moment** when he solved the equation.
idiom

A snapshot of

Meaning
A brief look or summary of something
Example
The report gives **a snapshot of** our company's performance.
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

against the ropes

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

as wise as an owl

Meaning
very wise or knowledgeable
Example
My grandfather is **as wise as an owl**.
idiom

automate the process

Meaning
to make a process operate automatically using technology
Example
We need to **automate the process** to save time and cost.
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 thick as two short planks

Meaning
very stupid or slow-witted
Example
He’s **as thick as two short planks**, bless him.
idiom

artificial genius

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

A truth universally acknowledged

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

a man of faith

Meaning
a person who strongly believes in a particular religion or principle
Example
He is known as **a man of faith** in his community.
idiom

alien invasion

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

ahead of its time

Meaning
to be unusually advanced or innovative for its era
Example
That invention was **ahead of its time**.
idiom

act your age

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

Apple of my eye

Meaning
Someone you love dearly.
Example
Her son is the **apple of her eye**.
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 game changer

Meaning
something that completely changes the way things are done
Example
The new technology is a **game changer** for the healthcare industry.
idiom

A negative outlook

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

a crash course

Meaning
a short and intensive course of study
Example
I had to take a **crash course** in programming before starting the job.
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 win-win situation

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

ahead of time

Meaning
before the expected or planned time
Example
She finished her work **ahead of time**.
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

a couch potato

Meaning
a person who spends a lot of time sitting and watching TV
Example
He’s become **a couch potato** since he lost his job.
idiom

a few bricks short of a load

Meaning
a little stupid or crazy
Example
He tries hard, but he’s **a few bricks short of a load**.
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.
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

a run on the bank

Meaning
a situation where many people withdraw their money from a bank due to fear of collapse
Example
Rumors of insolvency caused **a run on the bank**.
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

ahead of the curve

Meaning
to be more advanced or innovative than others
Example
Their company is **ahead of the curve** in AI development.
idiom

a slip of the tongue

Meaning
a spoken mistake; saying something unintentionally
Example
It was just **a slip of the tongue**, I didn’t mean to offend you.
idiom

a heart-to-heart

Meaning
a sincere and open conversation
Example
We had **a heart-to-heart** about our future plans.
idiom

a stroke of genius

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

afraid of your own shadow

Meaning
to be easily frightened
Example
He’s so timid; he’s **afraid of his own shadow**.
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

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 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

act of kindness

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

Ask a million questions

Meaning
To be extremely curious and ask many questions.
Example
Kids often **ask a million questions** about everything.
idiom

answer for something

Meaning
to be responsible for something bad that happens
Example
You’ll have to **answer for your actions** if things go wrong.
idiom

a brainwave

Meaning
a sudden clever idea or solution
Example
I had **a brainwave** and realized how to fix the issue.
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 cut above

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

Meaning
a small problem that is exaggerated
Example
Their argument was just **a storm in a teacup**.
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 blueprint for success

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

a spark of genius

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

a cold war

Meaning
a state of political hostility without open warfare
Example
The two nations seem to be entering **a cold war** again.
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

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 bolt from the blue

Meaning
a sudden and unexpected event or news
Example
His resignation came **like a bolt from the blue**.
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 chatterbox

Meaning
someone who talks a lot, especially a child
Example
My little sister is **a chatterbox**; she never stops talking.
idiom

all smiles

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

At a snail’s pace

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

a dead-end job

Meaning
a job with no opportunity for advancement or improvement
Example
He quit his **dead-end job** to start his own business.
idiom

a no-brainer

Meaning
something that is very easy to understand or decide
Example
The solution to the problem was **a no-brainer**.
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 shoulder to cry on

Meaning
someone who listens and supports you when you are sad
Example
She has always been **a shoulder to cry on** when I needed help.
idiom

A little knowledge is a dangerous thing

Meaning
Knowing a small amount about something can lead to mistakes.
Example
**A little knowledge is a dangerous thing** — don’t try to fix it if you’re not an expert.
idiom

A thirst for knowledge

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

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

As old as the hills

Meaning
Very old or ancient
Example
That legend is **as old as the hills**.
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

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 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 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

A seat at the table

Meaning
To have an opportunity to be part of decision-making or important discussions.
Example
She fought for years to earn **a seat at the table** in the boardroom.
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 weight off one's shoulders

Meaning
a feeling of relief after a problem or burden is resolved
Example
When she finished the project, it felt like a **weight off her shoulders**.
idiom

A Romeo

Meaning
A passionate lover or a romantic man.
Example
He acts like **a Romeo** around her.
idiom

at the eleventh hour

Meaning
at the very last moment
Example
He submitted his assignment **at the eleventh hour**.
idiom

a lump in your throat

Meaning
feeling emotional or about to cry
Example
He felt **a lump in his throat** when he said goodbye.
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 smart cookie

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

At the forefront

Meaning
being in a leading or important position in a field
Example
The research center is **at the forefront** of renewable energy studies.
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 run for one’s money

Meaning
to compete strongly with someone; to challenge effectively
Example
The new company is giving the old giants **a run for their money**.
idiom

A golden opportunity

Meaning
a very good chance to do something
Example
Getting this scholarship is **a golden opportunity** for you.
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 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 weight off your shoulders

Meaning
relief after dealing with a stressful situation
Example
Finishing the project felt like **a weight off my shoulders**.
idiom

adapt or die

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

at death’s door

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