a cog in the machine
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idiom

a cog in the machine

Meaning
a small but essential part of a large system
Example
Every engineer is **a cog in the machine** that keeps the factory running.
idiom

the big picture

Meaning
the overall view or perspective of a situation
Example
It’s important to look at **the big picture** before making decisions.
idiom

adapt to the changing times

Meaning
to adjust to new conditions or circumstances
Example
In order to survive in this fast-paced world, you must **adapt to the changing times**.
idiom

to have a clean bill of health

Meaning
to be declared healthy by a doctor
Example
After the checkup, she got **a clean bill of health**.
idiom

do your own thing

Meaning
to do what you want without worrying about what others think
Example
He prefers to **do his own thing** and not depend on anyone.
idiom

space out

Meaning
to stop paying attention
Example
He tends to **space out** during long meetings.
idiom

on the fast track

Meaning
advancing quickly in a career or project
Example
He is **on the fast track** to becoming a manager.
idiom

the art of persuasion

Meaning
the ability to convince someone to do something or believe something
Example
He mastered **the art of persuasion** and convinced them to support his cause.
idiom

garbage in, garbage out

Meaning
flawed input data will produce flawed results
Example
If the training data is poor, the AI model will fail — **garbage in, garbage out**.
idiom

alien concept

Meaning
something unfamiliar or strange
Example
Honesty seems like an **alien concept** to him.
idiom

by the skin of your teeth

Meaning
to just barely manage to do something
Example
He passed the exam **by the skin of his teeth**.
idiom

leave your mark

Meaning
to have a lasting impact or influence on something
Example
Her dedication to the cause will surely **leave her mark** in the history books.
idiom

in the money

Meaning
to suddenly have a lot of money
Example
After winning the lottery, they were **in the money**.
idiom

double-edged sword

Meaning
something that has both positive and negative consequences
Example
AI surveillance is a **double-edged sword** for security and privacy.
idiom

to have a ray of hope

Meaning
to see a small sign of improvement in a bad situation
Example
After hearing the good news, I felt I had a **ray of hope** for my future.
idiom

blow someone's mind

Meaning
to amaze or astonish someone
Example
The magic show really **blew my mind**.
idiom

let one's hair down

Meaning
to relax and enjoy oneself freely
Example
After the project ended, we all went out to **let our hair down**.
idiom

asleep on your feet

Meaning
extremely tired and almost falling asleep
Example
You look **asleep on your feet** after working all day.
idiom

build brand loyalty

Meaning
to create long-term trust and attachment to a brand
Example
Consistent quality helps **build brand loyalty** among customers.
idiom

make it happen

Meaning
take action to achieve something
Example
Stop dreaming and **make it happen**.
idiom

hit the big time

Meaning
to achieve great fame or success
Example
The band **hit the big time** after their first album went viral.
idiom

wield power

Meaning
to have and use power or influence effectively
Example
He’s not the president, but he still **wields a lot of power**.
idiom

peace and quiet

Meaning
a time of calmness and tranquility
Example
I just need some **peace and quiet** to finish my work.
idiom

get back on track

Meaning
to return to the right path after a mistake or setback
Example
After a few mistakes, she managed to **get back on track**.
idiom

to take the law into one’s own hands

Meaning
to punish someone personally instead of letting the authorities handle it
Example
The villagers **took the law into their own hands** when the thief escaped.
idiom

bottle up emotions

Meaning
to keep feelings inside and not express them
Example
He tends to **bottle up his emotions**, which isn't healthy in the long run.
idiom

smoke and mirrors

Meaning
something that is intended to deceive or confuse
Example
The company’s promises were just **smoke and mirrors**.
idiom

the wisdom of age

Meaning
knowledge and understanding gained through life experience
Example
He gave me advice that showed **the wisdom of age**.
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

full steam ahead

Meaning
to move forward with great energy or speed
Example
The team is going **full steam ahead** with the new logistics plan.
idiom

team effort

Meaning
work done by a group of people to achieve a common goal
Example
The success of the project was due to a great **team effort**.
idiom

grab attention

Meaning
to make people notice something immediately
Example
Bright colors and bold fonts are used to **grab attention**.
idiom

go bananas over something

Meaning
to become extremely excited or enthusiastic about something
Example
Kids **go bananas over** the new video game console.
idiom

lay into

Meaning
to criticize someone harshly
Example
Instead of **laying into** the intern, offer some guidance.
idiom

to be in good shape

Meaning
to be physically fit and healthy
Example
She exercises daily to stay **in good shape**.
idiom

to bite the bullet

Meaning
to make a difficult decision or endure something unpleasant
Example
I didn't want to go to the doctor, but I had to **bite the bullet**.
idiom

take someone to task

Meaning
to strongly criticize someone for something they did wrong
Example
The teacher **took him to task** for cheating on the exam.
idiom

sworn enemies turned friends

Meaning
two people who used to dislike each other but became friends
Example
They were **sworn enemies turned friends** after college.
idiom

keep out

Meaning
to prevent someone or something from entering
Example
Close the windows to **keep out** the dust during the renovation.
idiom

on background

Meaning
information given to a journalist that cannot be attributed to the source
Example
The official spoke **on background** about the new policy.
idiom

keep an eye on

Meaning
to watch or monitor something or someone carefully
Example
Can you **keep an eye on** the kids while I'm cooking?
idiom

blow your mind

Meaning
to impress or amaze someone greatly
Example
The new AI technology will **blow your mind**.
idiom

big brother

Meaning
an older brother or someone who behaves protectively
Example
Mark acts like a **big brother** to everyone in the neighborhood.
idiom

raise the stakes

Meaning
to increase the level of risk or difficulty
Example
We need to **raise the stakes** if we want to make a bigger impact.
idiom

rein in

Meaning
to control or limit something
Example
We must **rein in** our spending this quarter.
idiom

code like a machine

Meaning
to work extremely fast and efficiently on programming
Example
She can **code like a machine** when a deadline is near.
idiom

get the creative juices flowing

Meaning
to start being creative or imaginative
Example
A walk in nature helps me **get the creative juices flowing**.
idiom

get off on the right foot

Meaning
to start a relationship or activity in a positive way
Example
We **got off on the right foot** during our first meeting.
idiom

Out of sight, out of mind

Meaning
People or things forgotten when not visible or present.
Example
After moving away, our friendship faded—**out of sight, out of mind**.
idiom

make a fuss

Meaning
to complain or get angry about something small or unimportant
Example
She always **makes a fuss** about her food being cold.
idiom

hear it through the grapevine

Meaning
to hear a rumor or unofficial news
Example
I **heard it through the grapevine** that they broke up.
idiom

On the clock

Meaning
Working, often with a strict time limit or deadline.
Example
I’m **on the clock** today, so I can’t waste any time.
idiom

cry a river

Meaning
to cry a lot or show extreme sadness
Example
He **cried a river** after hearing the news.
idiom

the internet of things (IoT)

Meaning
the connection of everyday objects to the internet to send and receive data
Example
Smart homes are part of the **internet of things (IoT)**, where devices are interconnected.
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

raise a toast

Meaning
to honor someone or something with a drink
Example
We **raised a toast** to the newlyweds.
idiom

party line

Meaning
the official policy or position of a political party
Example
Members were warned not to speak against the **party line**.
idiom

hit a bump in the road

Meaning
to face a temporary problem or setback
Example
Our project **hit a bump in the road**, but we'll recover soon.
idiom

tide over

Meaning
to help someone through a difficult period
Example
A short-term loan will **tide us over** until the invoices are paid.
idiom

even out

Meaning
to make something level or balanced
Example
Stir the batter to **even out** the lumps.
idiom

jump out of your skin

Meaning
to be extremely surprised or frightened
Example
I nearly **jumped out of my skin** when I saw the snake.
idiom

iron curtain

Meaning
a barrier separating nations ideologically or politically
Example
During the Cold War, Europe was divided by the **iron curtain**.
idiom

Heart full of gratitude

Meaning
Deeply thankful and appreciative.
Example
She spoke with a **heart full of gratitude** for her teachers.
idiom

eat your words

Meaning
to take back what you said
Example
He had to **eat his words** after the result was announced.
idiom

take one for the team

Meaning
to sacrifice for the benefit of others
Example
He **took one for the team** and stayed late to finish the report.
idiom

stroke of genius

Meaning
a brilliant and creative idea or action
Example
That marketing campaign was a **stroke of genius**.
idiom

No guts, no glory

Meaning
Without courage, you can’t achieve success.
Example
He took the challenge—**no guts, no glory**.
idiom

Meet your Waterloo

Meaning
To face a final and decisive defeat.
Example
After years of success, the company finally **met its Waterloo** when sales plummeted.
idiom

throw a tantrum

Meaning
to have an outburst of anger or frustration, often in a childish manner
Example
The child **threw a tantrum** when she didn’t get the toy she wanted.
idiom

Show of hands

Meaning
A quick way to see who agrees or supports something by raising hands.
Example
Let’s have a **show of hands** to decide who supports the new plan.
idiom

give me a hand

Meaning
to help someone
Example
Can you **give me a hand** with this bag?
idiom

in black and white

Meaning
in written form; clearly stated
Example
The rules are clearly written **in black and white**.
idiom

key in on

Meaning
to give focused attention to something specific
Example
The coach asked the team to **key in on** their defensive mistakes.
idiom

wrap your head around

Meaning
to understand or comprehend something difficult
Example
It took me a while to **wrap my head around** the new software.
idiom

Throw money at something

Meaning
To try to solve a problem by spending a lot of money instead of using a better solution.
Example
The government keeps **throwing money at** the education problem instead of reforming it.
idiom

Never say die

Meaning
Always remain optimistic and determined.
Example
He faced many challenges but had a **never say die** attitude.
idiom

empty nest

Meaning
a home where the children have grown up and left
Example
After her kids moved out, she felt the **empty nest** syndrome.
idiom

trust one's judgment

Meaning
to believe in someone's decision or ability to make good choices
Example
I always **trust her judgment** when it comes to hiring decisions.
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

Climb the ranks

Meaning
To move up to higher positions through hard work and experience.
Example
He **climbed the ranks** from an intern to a manager in five years.
idiom

give someone a piece of one’s mind

Meaning
to tell someone angrily what you think
Example
She **gave him a piece of her mind** for being rude.
idiom

to serve justice

Meaning
to ensure that fairness or punishment is properly given
Example
The court’s decision **served justice** for the victims.
idiom

talk around something

Meaning
to discuss something without addressing it directly
Example
She kept **talking around** the topic instead of answering the question directly.
idiom

have confidence in

Meaning
to trust or believe in someone’s ability
Example
I **have confidence in** your judgment.
idiom

face up to

Meaning
to accept and confront a difficult situation
Example
It’s time to **face up to** the staffing gaps.
idiom

out of one’s mind

Meaning
crazy or extremely worried
Example
He must be **out of his mind** to drive so fast in the rain.
idiom

filter through

Meaning
to spread gradually among people
Example
News of the promotion quickly **filtered through** the office.
idiom

when life gives you lemons, make lemonade

Meaning
make the best out of a bad situation
Example
She lost her job but decided to **make lemonade** by starting her own business.
idiom

predictive modeling

Meaning
a technique used in AI to predict future trends based on historical data
Example
The use of **predictive modeling** helps companies plan better for the future.
idiom

carry the responsibility

Meaning
to be in charge of something or to be responsible for it
Example
As the project leader, he had to **carry the responsibility** for the entire team.
idiom

Fair enough

Meaning
Used to show you understand or accept someone’s point
Example
‘We can’t afford it now.’ ‘**Fair enough**, maybe later.’
idiom

spread kindness like wildfire

Meaning
to spread kindness rapidly and uncontrollably
Example
Her acts of kindness **spread like wildfire** in the community.
idiom

go head to head

Meaning
to directly compete or confront each other
Example
The two negotiators went **head to head** over the contract terms.
idiom

talk shop

Meaning
to talk about work or business during leisure time
Example
Even at dinner, they started to **talk shop**.
idiom

gear up

Meaning
to prepare energetically for something
Example
The team is **gearing up** for the product launch next week.
idiom

spitting image

Meaning
someone who looks exactly like another person
Example
She is the **spitting image** of her mother.
idiom

With friends like that, who needs enemies?

Meaning
A person’s actions or behavior make them worse than an enemy.
Example
He betrayed me again, **with friends like that, who needs enemies?**
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

digital footprint

Meaning
the trace of information left by a user's online activities
Example
Be cautious about what you post online; your **digital footprint** lasts forever.
idiom

separate the wheat from the chaff

Meaning
to distinguish valuable things from worthless ones
Example
It’s time to **separate the wheat from the chaff** in this project.
idiom

tomorrow is another day

Meaning
you can start fresh again tomorrow
Example
Don’t worry about your mistakes, **tomorrow is another day**.
idiom

black sheep of the family

Meaning
a family member who is considered a disgrace
Example
He became the **black sheep of the family** after his bad decisions.
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

fire up

Meaning
to excite or motivate someone
Example
The coach’s speech really **fired up** the players.
idiom

hit the nail on the head

Meaning
to be exactly right about something
Example
You **hit the nail on the head** with that analysis.
idiom

race to the bottom

Meaning
a situation where companies or countries lower standards to remain competitive
Example
Reducing wages to attract investors can create a **race to the bottom**.
idiom

a Eureka moment

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

get your foot in the door

Meaning
to make a first step towards achieving something, especially a job
Example
She finally **got her foot in the door** at a top firm.
idiom

learn the ropes

Meaning
to learn how to do a particular job or activity
Example
It took me a month to **learn the ropes** at my new job.
idiom

dance to one's own tune

Meaning
to behave independently; not influenced by others
Example
He always **dances to his own tune** and never follows the crowd.
idiom

hit below the belt

Meaning
to act unfairly or say something hurtful
Example
That comment about her family was really **hitting below the belt**.
idiom

carry the burden

Meaning
to take on responsibility or a difficult task
Example
She had to **carry the burden** of the entire project alone.
idiom

buckle down

Meaning
to start working seriously
Example
If you want to pass the exam, you’d better **buckle down** and study.
idiom

be in high spirits

Meaning
to feel very happy and positive
Example
Everyone was **in high spirits** after the successful event.
idiom

mix up

Meaning
to confuse two or more things
Example
I always **mix up** their names during meetings.
idiom

strike a bargain

Meaning
to reach an agreement or deal
Example
After some discussion, they **struck a bargain** that suited both parties.
idiom

go places

Meaning
to be likely to become successful in the future
Example
Everyone says he’s going to **go places** with his skills.
idiom

head off to

Meaning
to leave for a particular place
Example
We should **head off to** the venue by noon.
idiom

on edge

Meaning
to be nervous, tense, or irritable
Example
She’s been **on edge** since the exam started.
idiom

tie up loose ends

Meaning
to complete the remaining small tasks of a project
Example
Before the deadline, we need to **tie up loose ends**.
idiom

iron out

Meaning
to resolve small problems or differences
Example
We need to **iron out** the payment details before signing.