a lightbulb moment
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idiom

a lightbulb moment

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

at peace with oneself

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

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

as wise as an owl

Meaning
very wise or knowledgeable
Example
My grandfather is **as wise as an owl**.
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 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 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 shot in the dark

Meaning
a guess or attempt made without knowing much or anything about the result
Example
His idea about solving the problem was just **a shot in the dark**.
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 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 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

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.
phrasal-verb

aim for excellence

Meaning
to try to achieve the best possible results
Example
Always **aim for excellence** instead of settling for average results.
phrasal-verb

add in

Meaning
to include a small polite comment or detail
Example
If I may, I’d like to **add in** one more observation.
idiom

a problem shared is a problem halved

Meaning
discussing a problem makes it easier to solve
Example
Don't hesitate to ask for help. **A problem shared is a problem halved**.
idiom

a roof over your head

Meaning
a place to live; a shelter
Example
At least we have **a roof over our heads**.
phrasal-verb

act up

Meaning
to behave badly or cause trouble
Example
The kids started to **act up** during the long car ride.
idiom

a pain in the neck

Meaning
someone or something that is very annoying
Example
That constant noise from the construction site is **a pain in the neck**.
idiom

a helping hand

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

air out

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

a dime a dozen

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

a million-dollar smile

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

all in good time

Meaning
something will happen eventually; be patient
Example
**All in good time**, you’ll see the results soon.
idiom

a drop in the ocean

Meaning
a very small amount compared to what is needed
Example
The money they raised was just **a drop in the ocean** compared to the total cost.
idiom

As old as the hills

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

advocate for

Meaning
to publicly support a cause or person
Example
Students **advocate for** safer campuses at the town hall.
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 mind is a terrible thing to waste

Meaning
it is a waste not to use your mental abilities
Example
You should keep learning, **a mind is a terrible thing to waste**.
idiom

A Jekyll and Hyde

Meaning
A person with two very different sides to their personality.
Example
He’s like **a Jekyll and Hyde**—nice one moment and cruel the next.
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 spark

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

allow time for

Meaning
to make sure you have enough time to do something in the future
Example
Always **allow time for** unexpected delays.
idiom

A picture paints a thousand words

Meaning
A visual image can express complex ideas better than words
Example
Cultural symbols remind us that **a picture paints a thousand words**.
idiom

A Pandora’s box

Meaning
A source of endless complications or trouble.
Example
Discussing that topic will open a **Pandora’s box** of complaints.
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 easy as ABC

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

ask for

Meaning
to request something
Example
You should **ask for** help if you can’t finish the task.
phrasal-verb

appeal against

Meaning
to formally ask for a change in a court decision
Example
The defendant plans to **appeal against** the verdict.
idiom

A truth universally acknowledged

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

a universe of possibilities

Meaning
endless opportunities or options
Example
Technology has opened **a universe of possibilities**.
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 tough cookie

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

alive and kicking

Meaning
still healthy and full of life
Example
My grandmother is 90 but still **alive and kicking**.
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

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

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

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 win-win situation

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

add color to

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

add to

Meaning
to include an item in your online shopping cart
Example
I always **add to** my cart before comparing prices on other websites.
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 rising tide of opportunity

Meaning
an increase in opportunities for growth or success that benefits many people
Example
The new technology sector is creating **a rising tide of opportunity** for young entrepreneurs.
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 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**.
phrasal-verb

adapt through

Meaning
to change behavior or habits because of exposure to new experiences
Example
She managed to **adapt through** constant interaction with locals.
phrasal-verb

align with

Meaning
to agree with or support the goals or principles of others
Example
Many countries **align with** global efforts to reduce carbon emissions.
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 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 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

aim high

Meaning
to set challenging and ambitious goals
Example
Always **aim high** if you want to achieve greatness.
idiom

a fork in the road

Meaning
a point where a decision must be made; a choice between two or more options
Example
When you come to **a fork in the road**, you have to choose which way to go.
idiom

artificial genius

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

a people person

Meaning
someone who enjoys being with and talking to other people
Example
Maria is **a people person**, she makes friends everywhere she goes.
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 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

A team player

Meaning
Someone who works well with others in a group.
Example
John is **a team player** who always supports his colleagues.
idiom

A Romeo

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

ask around about

Meaning
to ask several people for information about something
Example
He’s been **asking around about** the new manager.
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 snapshot of

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

aim toward

Meaning
to direct efforts or plans toward achieving something
Example
Her education is **aimed toward** a career in medicine.
idiom

act out

Meaning
to perform or express emotions through actions
Example
Children often **act out** their frustrations.
idiom

a heart-to-heart

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

Meaning
an outstanding work of art or achievement
Example
Her latest sculpture is truly **a masterpiece**.
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 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**.
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

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 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

around the clock

Meaning
all day and all night; continuously
Example
Doctors worked **around the clock** to save the patients.
idiom

a mind like a sieve

Meaning
to have a very bad memory
Example
He forgets everything; he has **a mind like a sieve**.
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 thirst for knowledge

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

ahead of the game

Meaning
to have an advantage or be well prepared
Example
She’s always **ahead of the game** with her planning.
phrasal-verb

adapt under pressure

Meaning
to adjust effectively when facing stressful situations
Example
Professionals must learn to **adapt under pressure**.
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 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 barrel of laughs

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

agree on

Meaning
to reach a shared decision or understanding
Example
We finally **agreed on** the marketing strategy after a long discussion.
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

a brave face

Meaning
to pretend to be brave when you are actually scared or worried
Example
She put on **a brave face** despite feeling nervous inside.
idiom

At a snail’s pace

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

Meaning
A person who is extremely good at solving mysteries or finding out information.
Example
He’s such **a Sherlock Holmes** when it comes to finding lost things.
phrasal-verb

aim at

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

a storybook ending

Meaning
a perfect or happy ending, like in a fairy tale
Example
Their wedding was a true **storybook ending**.
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 peaceful resolution

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

appeal to

Meaning
to ask someone earnestly or formally for help
Example
The charity **appealed to** the public for donations.
phrasal-verb

apologize to

Meaning
to say sorry to someone for something you did
Example
He **apologized to** his teacher for being rude.
idiom

a smart cookie

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

adhere to principles

Meaning
to continue to obey or follow moral rules or beliefs
Example
A true professional should **adhere to principles** even under pressure.
idiom

ahead of time

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

acknowledge someone for

Meaning
to recognize and thank someone for their help or contribution
Example
The company **acknowledged her for** her dedication and teamwork.
idiom

a glimpse into the future

Meaning
a small indication of what the future might be like
Example
This technology gives us **a glimpse into the future**.
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.
phrasal-verb

adapt oneself to

Meaning
to adjust or change to fit into a new culture or environment
Example
He quickly **adapted himself to** the local traditions.