Know it all
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idiom

Know it all

Meaning
Someone who acts as if they know everything.
Example
He’s such a **know it all**, it’s annoying.
idiom

big data

Meaning
Extremely large data sets that may be analyzed computationally to reveal patterns, trends, and associations.
Example
The company uses **big data** to improve customer experience.
idiom

bite someone’s head off

Meaning
to speak angrily to someone without reason
Example
I just asked a question, no need to **bite my head off**!
idiom

go easy on someone

Meaning
to be gentle or patient with someone
Example
Go easy on him; he’s been through a lot lately.
idiom

speak out

Meaning
to express an opinion openly and boldly
Example
Employees are encouraged to **speak out** about improvements.
idiom

feel at ease

Meaning
to feel relaxed and confident
Example
He finally **felt at ease** speaking in public.
idiom

open and shut case

Meaning
a case that is easily decided or obvious
Example
It was an **open and shut case** with clear evidence.
idiom

true colors

Meaning
someone’s real character or intentions
Example
He showed his **true colors** when he lied to me.
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

square peg in a round hole

Meaning
someone or something that doesn't fit or belong in a particular place or situation
Example
Putting a modern building in a historical district is like trying to fit a **square peg in a round hole**.
idiom

lock down

Meaning
to secure or restrict access to something completely
Example
After detecting the breach, the company **locked down** all servers.
idiom

put your trust in

Meaning
to have confidence in someone or something
Example
We should **put our trust in** good leaders.
idiom

tip off

Meaning
to secretly give information or a warning
Example
A neighbor **tipped off** the police about the noise.
idiom

time warp

Meaning
a situation where time seems to stop or move differently
Example
That old town feels like it’s stuck in a **time warp**.
idiom

nod off

Meaning
to fall asleep suddenly, especially when sitting
Example
He **nodded off** during the boring lecture.
idiom

justice is blind

Meaning
justice should be impartial and not influenced by wealth or power
Example
**Justice is blind**, and everyone should be treated equally under the law.
idiom

beginner’s luck

Meaning
success for someone inexperienced
Example
He won his first game — must be **beginner’s luck**.
idiom

The more you know, the more you realize you don’t

Meaning
The more you learn, the more you understand how much there is left to learn.
Example
**The more you know, the more you realize you don’t** — that’s the beauty of curiosity.
idiom

Pick up the tab

Meaning
To pay the bill for something.
Example
John offered to **pick up the tab** for everyone.
idiom

cop a plea

Meaning
to plead guilty to a lesser charge in order to avoid a more severe penalty
Example
He decided to **cop a plea** and serve a shorter sentence.
idiom

take sides

Meaning
to support one person or group in an argument
Example
It’s hard not to **take sides** when your friends are arguing.
idiom

to be like family

Meaning
to be as close as family members
Example
My neighbors are **like family** to me.
idiom

shop till you drop

Meaning
to go shopping for a long time until you are tired
Example
My sister loves to **shop till she drops** during sales.
idiom

blow someone away

Meaning
to impress or surprise someone greatly
Example
Her performance really **blew me away**.
idiom

motivate the team

Meaning
to encourage and inspire your team to work harder and achieve goals
Example
As a manager, one of my primary goals is to **motivate the team** to reach their highest potential.
idiom

dawn on

Meaning
to become clear to someone after not realizing
Example
It suddenly **dawned on** me that I’d left my wallet.
idiom

kick the bucket

Meaning
to die (informal)
Example
He finally **kicked the bucket** after a long illness.
idiom

Money talks

Meaning
Money has great influence and power.
Example
He got the deal because **money talks**.
idiom

on the beat

Meaning
a police officer's regular patrol route
Example
The officer was **on the beat** when he spotted the suspect.
idiom

lay off

Meaning
to dismiss someone from a job due to lack of work or money
Example
The company hopes to avoid having to **lay off** employees.
idiom

to break the ice

Meaning
to start a friendly conversation in an awkward situation
Example
To **break the ice**, I told a joke.
idiom

street smart

Meaning
having practical intelligence and experience, not just book knowledge
Example
He may not have a degree, but he’s very **street smart**.
idiom

take the stand

Meaning
to testify in court
Example
The witness will **take the stand** tomorrow morning.
idiom

make a vow

Meaning
to make a serious promise or pledge
Example
They **made a vow** to stay together forever.
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

Spread joy

Meaning
to make others happy by being kind or cheerful
Example
It's important to **spread joy** wherever you go.
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

iron out the wrinkles

Meaning
to solve small problems or differences
Example
We need to **iron out the wrinkles** before launching the project.
idiom

throw under the bus

Meaning
to blame someone else to save yourself.
Example
He **threw his colleague under the bus** to avoid punishment.
idiom

to have a fever pitch

Meaning
to reach an intense level of excitement or emotion
Example
The crowd’s excitement reached **fever pitch** during the final moments.
idiom

give out

Meaning
to distribute something
Example
We’ll **give out** the schedules at the door.
idiom

stand one’s ground

Meaning
to refuse to change your opinion or position
Example
She **stood her ground** during the heated debate.
idiom

Wait for the dust to settle

Meaning
Wait until a situation becomes clear or calm.
Example
Let’s **wait for the dust to settle** before making a decision.
idiom

more luck than sense

Meaning
successful because of luck, not intelligence
Example
He survived the accident—he’s got **more luck than sense**.
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

find the right balance

Meaning
to achieve a healthy or effective equilibrium between work and personal life
Example
It took me a while, but I finally **found the right balance** between work and family.
idiom

rock the boat

Meaning
to cause problems or upset a stable situation
Example
Everything is going well, so let's not **rock the boat** with unnecessary changes.
idiom

talk around

Meaning
to persuade someone by discussion
Example
We finally **talked her around** to joining the team.
idiom

To meet one’s Waterloo

Meaning
To encounter one’s ultimate defeat or failure.
Example
After years of success, the company finally **met its Waterloo**.
idiom

strength in numbers

Meaning
greater power comes from a larger group
Example
We can win this battle if we stick together, there's **strength in numbers**.
idiom

out with the old, in with the new

Meaning
to replace old things or ideas with new ones
Example
It's time for **out with the old, in with the new**.
idiom

knock someone for six

Meaning
to shock or upset someone greatly
Example
The sudden loss **knocked him for six**.
idiom

black box problem

Meaning
a situation where the internal workings of an AI system are not transparent or understood
Example
The biggest challenge in deep learning is the **black box problem**.
idiom

rack your brains

Meaning
to think very hard about something
Example
I had to **rack my brains** to remember her name.
idiom

gear down

Meaning
to slow the pace of activity
Example
We can **gear down** after the product launch is stable.
idiom

slow as a snail

Meaning
very slow or lazy in movement or action
Example
He walks **slow as a snail** in the morning.
idiom

zone out

Meaning
to stop paying attention and mentally drift away
Example
I completely **zoned out** during the long presentation.
idiom

law of the jungle

Meaning
survival of the strongest; lack of order or law
Example
In war, the **law of the jungle** often applies.
idiom

cast the first stone

Meaning
to be the first to criticize or condemn someone
Example
Before you **cast the first stone**, remember that nobody is perfect.
idiom

break one's word

Meaning
to fail to keep a promise
Example
Don’t **break your word**; people rely on you.
idiom

teacher’s pet

Meaning
a student who is favored by the teacher
Example
Everyone teases her for being the **teacher’s pet**.
idiom

You can say that again

Meaning
Used to strongly agree with someone
Example
‘It’s been a long day.’ ‘**You can say that again!**’
idiom

balance the books

Meaning
to make sure income and expenses are equal
Example
The accountant worked late to **balance the books**.
idiom

keep your nose to the grindstone

Meaning
to work hard and continuously
Example
If you **keep your nose to the grindstone**, you’ll achieve your goals.
idiom

good vibes only

Meaning
to focus only on positive thoughts and energy
Example
This year, I’m living by the motto **good vibes only**.
idiom

after the storm comes the calm

Meaning
peace follows a period of trouble
Example
Stay patient; **after the storm comes the calm**.
idiom

tempt fate

Meaning
to take a foolish risk that may bring bad luck
Example
You’re **tempting fate** by driving without insurance.
idiom

black box thinking

Meaning
analyzing unknown processes by studying their inputs and outputs
Example
In AI research, **black box thinking** helps improve transparency.
idiom

work up

Meaning
to gradually build courage, energy, or an appetite
Example
It took me a while to **work up** the courage to ask.
idiom

hang loose

Meaning
to relax and take things easy
Example
We’re on vacation, so just **hang loose** and enjoy.
idiom

simmer down

Meaning
to become calmer after being angry or excited
Example
Give him a few minutes to **simmer down** before you talk to him.
idiom

hit it off

Meaning
to become friends quickly and easily
Example
They **hit it off** right after being introduced.
idiom

plant the seed

Meaning
to introduce an idea subtly to influence someone later
Example
He **planted the seed** for the project during the discussion.
idiom

by leaps and bounds

Meaning
to progress or improve very quickly
Example
Her English has improved **by leaps and bounds**.
idiom

lovebirds

Meaning
a couple who are very affectionate with each other
Example
Look at those **lovebirds** holding hands in the park!
idiom

wear the pants

Meaning
to be the person who controls or makes decisions in a family
Example
Everyone knows she **wears the pants** in the house.
idiom

Go for it

Meaning
To try to achieve something with confidence.
Example
If you really want that job, **go for it**!
idiom

lose your train of thought

Meaning
to forget what you were thinking or saying
Example
I **lost my train of thought** when the phone rang.
idiom

nose for news

Meaning
an instinct for finding interesting stories
Example
Good reporters have a natural **nose for news**.
idiom

I couldn’t agree more

Meaning
To completely agree with someone
Example
That’s exactly what I was thinking — **I couldn’t agree more**.
idiom

hit rock bottom

Meaning
to reach the lowest point of failure or depression
Example
After losing his job, he **hit rock bottom**.
idiom

out of the frying pan into the fire

Meaning
to go from a bad situation to a worse one
Example
Leaving that job was like jumping **out of the frying pan into the fire**.
idiom

grasp at straws

Meaning
to try any method to succeed, even if unlikely
Example
He was **grasping at straws** when he suggested that idea.
idiom

play the field

Meaning
to date or have romantic relationships with many people without commitment
Example
He’s still **playing the field** and not looking for a serious relationship.
idiom

sitting on a gold mine

Meaning
to have something very valuable that is not yet realized
Example
That old property is worth millions — you're **sitting on a gold mine**.
idiom

hit the dirt

Meaning
to go to ground; to take cover or hide
Example
Wild animals often **hit the dirt** when humans approach.
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

laugh off

Meaning
to dismiss something by treating it as a joke
Example
She tried to **laugh off** the mistake during the presentation.
idiom

wait and see

Meaning
to be patient until something becomes clear
Example
Let’s **wait and see** what happens next.
idiom

You took the words right out of my mouth

Meaning
You said exactly what I was thinking
Example
**You took the words right out of my mouth** — I was about to say that!
idiom

post something

Meaning
to share content on a social media platform
Example
She **posted** a beautiful picture on Instagram.
idiom

have a one-track mind

Meaning
to think about only one thing all the time
Example
He **has a one-track mind** when it comes to his business.
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

build castles in the air

Meaning
to make unrealistic plans or dreams
Example
He’s always **building castles in the air** instead of acting.
idiom

agree to disagree

Meaning
to accept that you have different opinions and stop arguing
Example
We’ll just **agree to disagree** on this topic.
idiom

plug away

Meaning
to keep working steadily on something
Example
Keep **plugging away** at the draft and it will improve.
idiom

on the up and up

Meaning
honest; truthful; not involved in any wrongdoing
Example
She’s always been **on the up and up** with me.
idiom

lose your mind

Meaning
to become mentally unstable or extremely upset
Example
He nearly **lost his mind** after the breakup.
idiom

keep your emotions in check

Meaning
to control your emotions
Example
It's important to **keep your emotions in check** during a meeting.
idiom

code your way out

Meaning
to solve a problem through programming skills
Example
When the system crashed, she managed to **code her way out**.
idiom

mind your own business

Meaning
to focus on your own matters and not interfere in others’ affairs
Example
You should **mind your own business** instead of gossiping.
idiom

face your fears

Meaning
to confront something that scares you
Example
You need to **face your fears** if you want to grow as a person.
idiom

live and learn

Meaning
to accept a mistake as a lesson for the future
Example
I lost my wallet again — well, **live and learn**.
idiom

cry wolf

Meaning
to raise a false alarm
Example
Do not **cry wolf** or no one will believe you later.
idiom

take down

Meaning
to record information in writing
Example
Can you **take down** the meeting notes?
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

get acquainted

Meaning
to become familiar or friendly with someone
Example
We had a short chat to **get acquainted**.
idiom

gather up

Meaning
to collect things together
Example
Let’s **gather up** the supplies before the workshop.
idiom

cross your fingers

Meaning
to hope that things will happen the way you want
Example
I'm **crossing my fingers** that I get the job.
idiom

neural network of ideas

Meaning
a complex and interconnected web of thoughts or concepts
Example
Her brain works like a **neural network of ideas**.
idiom

grassroots movement

Meaning
a political movement started and driven by ordinary people
Example
The campaign grew into a powerful **grassroots movement** for change.
idiom

To have a clear conscience

Meaning
To feel that one has done the right thing.
Example
After returning the lost wallet, he went to bed **with a clear conscience**.
idiom

Take one’s breath away

Meaning
To amaze or impress someone greatly.
Example
Her beauty **takes my breath away**.
idiom

under the table

Meaning
done secretly or dishonestly, often involving money
Example
He was paid **under the table** to avoid taxes.
idiom

That’s exactly right

Meaning
Used to completely agree with a statement
Example
**That’s exactly right**, we should focus on quality first.
idiom

break your back

Meaning
to work very hard to achieve something
Example
He’s been **breaking his back** to support his family.
idiom

draw a line in the sand

Meaning
to set a firm boundary or make a limit clear
Example
The prime minister **drew a line in the sand** regarding national security.
idiom

Practice makes perfect

Meaning
The more you practice, the better you become.
Example
**Practice makes perfect**, so keep trying.
idiom

rise and fall

Meaning
the success and failure of someone or something over time
Example
The documentary shows the **rise and fall** of the Roman Empire.
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

caught red-handed

Meaning
to be caught in the act of doing something wrong
Example
The thief was **caught red-handed** stealing the wallet.