artificial neural network
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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 penny saved is a penny earned

Meaning
saving money is just as valuable as earning it
Example
My grandfather always said, '**a penny saved is a penny earned**.'
idiom

a walking encyclopedia

Meaning
a person who knows a lot about many subjects
Example
Ask him anything about history—he’s **a walking encyclopedia**.
idiom

a game plan

Meaning
a strategy or plan of action
Example
We need a clear **game plan** before we start the meeting.
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

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

artificial instinct

Meaning
a machine’s ability to make decisions that seem natural or human-like
Example
The new model shows a kind of **artificial instinct** while driving.
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

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

a vision for the future

Meaning
a clear idea or plan about what should happen in the future
Example
The CEO has **a vision for the future** of the company that will guide its growth.
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 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

adapt to new surroundings

Meaning
to adjust to a new environment or situation
Example
After moving to a new city, it took her some time to **adapt to new surroundings**.
idiom

apple of someone’s eye

Meaning
someone very precious or loved
Example
Her son is the **apple of her eye**.
idiom

at loggerheads

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

a trusted ally

Meaning
a person or group that is trusted and reliable
Example
She has always been **a trusted ally** in our business ventures.
idiom

Ask a million questions

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

at breaking point

Meaning
so stressed or tired that one can hardly cope
Example
After working 80 hours this week, she’s **at breaking point**.
idiom

a debt of gratitude

Meaning
a feeling of being grateful to someone who has helped you
Example
We owe **a debt of gratitude** to our mentors.
idiom

a million-dollar smile

Meaning
a beautiful and charming smile
Example
She greeted everyone with **a million-dollar smile**.
idiom

answer for

Meaning
to be responsible for something and answer to others about it
Example
She had to **answer for** the mistakes made by her team.
idiom

a lightbulb moment

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

a bundle of joy

Meaning
someone or something that brings great happiness
Example
Their new baby is **a bundle of joy** for the family.
idiom

As old as the hills

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

A negative outlook

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

A true friend is the greatest of all blessings

Meaning
A true friend is the most valuable gift one can have
Example
I consider myself lucky to have you as my friend. **A true friend is the greatest of all blessings**.
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 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 brainwave

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

android-like

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

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

A bundle of nerves

Meaning
To be extremely anxious or tense.
Example
Before the presentation, she was **a bundle of nerves**.
idiom

at the back of one's mind

Meaning
something that one is not actively thinking about but is still aware of
Example
The fear of failure was always **at the back of his mind**.
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 chatterbox

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

at the eleventh hour

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

a weight on your shoulders

Meaning
a heavy burden or responsibility causing stress
Example
Running the company alone is **a weight on his shoulders**.
idiom

as far as I'm concerned

Meaning
used to express one’s personal opinion or feeling about something
Example
**As far as I'm concerned**, he did a great job.
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

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 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

AI arms race

Meaning
competition among companies or nations to lead in AI development
Example
Big tech companies are engaged in an **AI arms race**.
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 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 Romeo

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

a blank canvas

Meaning
a person or situation that can be developed freely
Example
Starting a new project is like working with **a blank canvas**.
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 stroke of genius

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

adapt or die

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

a fair trial

Meaning
a trial where all sides are treated equally and justly
Example
The defendant demanded **a fair trial** to prove his innocence.
idiom

a figure of speech

Meaning
a phrase used in a non-literal way for effect or emphasis
Example
When he said he could eat a horse, it was just **a figure of speech**.
idiom

a lawyer's brief

Meaning
a summary or concise statement of an argument or case
Example
The **lawyer's brief** was submitted to the judge before the trial began.
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 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

a smart cookie

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

a picture is worth a thousand words

Meaning
a visual image can express complex ideas better than words
Example
That photo truly proves that **a picture is worth a thousand words**.
idiom

against the clock

Meaning
to do something as fast as possible because time is limited
Example
We were working **against the clock** to finish the project on time.
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 Scrooge

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

a breakthrough

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

A thirst for knowledge

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

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 stepping stone

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

as wise as an owl

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

An arm and a leg

Meaning
Something that is very expensive.
Example
That new phone costs **an arm and a leg**, but it’s worth it.
idiom

Air time

Meaning
The amount of time something is broadcast on TV or radio
Example
The charity event got a lot of **air time** on local stations.
idiom

A clear conscience is a soft pillow

Meaning
When you live honestly, you sleep peacefully without guilt.
Example
After telling the truth, he had a peaceful night’s sleep because **a clear conscience is a soft pillow**.
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 tough call

Meaning
a difficult decision to make
Example
Choosing between the two offers was **a tough call**.
idiom

a catnap

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

Meaning
a new beginning after difficulties or mistakes
Example
After the breakup, she wanted **a fresh start**.
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

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

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 kind heart

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

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 guiding light

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

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 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

alien invasion

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

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

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

A tough row to hoe

Meaning
A difficult task or situation to handle.
Example
Starting a new business is **a tough row to hoe**.
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 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 gift from the heavens

Meaning
a blessing or something very special
Example
Her support during the tough times was **a gift from the heavens**.
idiom

a drama queen

Meaning
someone who exaggerates or overreacts to situations
Example
Stop acting like **a drama queen**; it’s not that serious.
B1 idiom

all ears

Listening very attentively
Meaning
Listening very attentively
Example
When the teacher started explaining the concept, the students were all ears.
When the teacher started explaining the concept, the students were all ears.
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 helping hand

Meaning
someone who helps or assists others
Example
She offered **a helping hand** to the new student in class.
idiom

all work and no play

Meaning
a person who only works becomes dull and boring
Example
**All work and no play** makes Jack a dull boy.
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 chain is only as strong as its weakest link

Meaning
the strength of a group depends on the weakest member
Example
In any team, **a chain is only as strong as its weakest link**.
idiom

a global village

Meaning
the world considered as a single community due to technology and communication
Example
The internet has turned the world into **a global village**.
idiom

a shoulder to lean on

Meaning
someone to give you support and comfort
Example
She’s always been **a shoulder to lean on** for me.
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 rock in a hard place

Meaning
to be in a very difficult or challenging situation
Example
He found himself **a rock in a hard place** when he had to choose between two difficult options.
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 black hole

Meaning
a place or situation where things are lost, never to be found again
Example
The document I was looking for seems to have disappeared into **a black hole**.
idiom

across the board

Meaning
affecting everyone or everything equally
Example
The new tariffs apply **across the board** to all imported goods.
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

a little bird told me

Meaning
someone told me something secretly
Example
A **little bird told me** that you got a new job.
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.