A Jekyll and Hyde
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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

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 golden goose

Meaning
a source of continuous wealth or profit
Example
Their subscription service has become **a golden goose** for the company.
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 big mouth

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

All for one and one for all

Meaning
Everyone in the group works together for the common good.
Example
In our company, we believe in the motto, **all for one and one for all**.
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

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

a helping hand

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

ahead of its time

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

aim for

Meaning
to try to achieve a particular goal
Example
You should **aim for** continuous improvement in your work.
idiom

architectural eye candy

Meaning
something that is visually appealing but may lack substance or functionality
Example
The new skyscraper in the city is just **architectural eye candy**.
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 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

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**.
phrasal-verb

apologize sincerely

Meaning
to say sorry in a heartfelt and honest manner
Example
If you make a mistake, **apologize sincerely** to the person.
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

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

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.
phrasal-verb

ask for forgiveness

Meaning
to request someone to forgive you
Example
I will **ask for forgiveness** for what I did.
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.
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

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

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

At a snail’s pace

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

ahead of the game

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

a level playing field

Meaning
a fair situation where everyone has equal chances
Example
We want to create **a level playing field** for all competitors.
phrasal-verb

adapt within

Meaning
to adjust oneself while keeping personal identity
Example
Immigrants often **adapt within** new societies while keeping their traditions alive.
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 roof over your head

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

against all odds

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

a breath of fresh air

Meaning
something new and refreshing
Example
Her positive attitude is **a breath of fresh air** in the office.
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 I see it

Meaning
According to my understanding or opinion
Example
As I see it, we need to try a different strategy.
idiom

a cut above

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

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 weight off your shoulders

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

Meaning
someone or something that brings happiness
Example
Her smile is **a ray of sunshine** on a gloomy day.
idiom

A scoop

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

aim at

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

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 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

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

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 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**.
phrasal-verb

apologize for

Meaning
to say sorry for something you did
Example
She **apologized for** forgetting his birthday.
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 light bulb moment

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

acknowledge with thanks

Meaning
to formally accept something and thank the giver
Example
We **acknowledge with thanks** the donation from our partners.
idiom

at your breaking point

Meaning
to be very close to losing control due to stress
Example
After months of overwork, she was **at her breaking point**.
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

As green as grass

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

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 barrel of laughs

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

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

apply learning to

Meaning
to use what you have learned in a new situation
Example
You should **apply your learning to** real-life situations.
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 peaceful mind is a happy mind

Meaning
Mental calmness leads to happiness and contentment.
Example
She believes that **a peaceful mind is a happy mind**.
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

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.
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

at the cutting edge

Meaning
at the most advanced position in a field
Example
The lab is **at the cutting edge** of medical research.
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

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 tough row to hoe

Meaning
A difficult task or situation to handle.
Example
Starting a new business is **a tough row to hoe**.
idiom

artificial empathy

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

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

An ear to the ground

Meaning
To be aware of what is happening around you.
Example
If you want to succeed in business, always keep **an ear to the ground**.
idiom

alive and kicking

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

a leopard can't change its spots

Meaning
someone cannot change their inherent nature or characteristics
Example
No matter how hard he tries, **a leopard can't change its spots**.
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 bumper crop

Meaning
an unusually large harvest
Example
Farmers are happy this year because of **a bumper crop** of rice.
phrasal-verb

air issues out

Meaning
to talk openly about problems to resolve them
Example
Teams **air issues out** during retros so nothing lingers.
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.
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 ray of hope

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

a fresh start

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

above board

Meaning
honest and legal; without deceit
Example
Their business deal was completely **above board**.
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 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.
idiom

Airhead

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

acknowledge with

Meaning
to show recognition or appreciation through something
Example
They **acknowledged with** a small gift for all his hard work.
idiom

a million-dollar smile

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

at ease

Meaning
feeling relaxed and comfortable
Example
He felt completely **at ease** in the quiet garden.
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

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.
phrasal-verb

ask for

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

A bird in the hand is worth two in the bush

Meaning
It’s better to hold onto something you have than risk losing it by trying to get something better.
Example
I decided to keep the job offer I already have because **a bird in the hand is worth two in the bush**.
idiom

A pack of lies

Meaning
A complete set of false statements.
Example
His excuse was nothing but **a pack of lies**.
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 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

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 flash of inspiration

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

a bookworm

Meaning
a person who loves reading books
Example
She’s **a bookworm**; she spends hours in the library.
idiom

apple of one’s eye

Meaning
someone who is cherished above others
Example
Her little son is the **apple of her eye**.
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

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

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

Above reproach

Meaning
Completely honest and without fault.
Example
Her integrity is **above reproach**.
idiom

A nervous wreck

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

A negative outlook

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

A leap of faith

Meaning
Believing in something even without evidence or proof.
Example
When she took the job offer, it was truly **a leap of faith**.
idiom

aim high

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

a heavy heart

Meaning
a feeling of deep sadness or sorrow
Example
She left her hometown with **a heavy heart**.
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

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

algorithmic trading

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