zero-day attack
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idiom

zero-day attack

Meaning
a cyberattack that exploits a previously unknown vulnerability
Example
The team discovered a **zero-day attack** before it spread widely.
idiom

bootstrap a startup

Meaning
to build a business using limited resources without external funding
Example
Many successful founders **bootstrapped their startups** in the early days.
idiom

get away with murder

Meaning
to do something very bad without being punished for it
Example
He’s so spoiled that he can **get away with murder** at home.
idiom

Lead the charge

Meaning
to be at the forefront of an action or movement
Example
He was the one to **lead the charge** in the new project.
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

say hello

Meaning
to greet someone
Example
Please **say hello** to your parents for me.
idiom

afraid of your own shadow

Meaning
to be easily frightened
Example
He’s so timid; he’s **afraid of his own shadow**.
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

beg to differ

Meaning
to politely disagree with someone
Example
I **beg to differ**, but I think your conclusion is incorrect.
idiom

step in

Meaning
to become involved in order to help or stop something
Example
The manager will **step in** if the discussion gets heated.
idiom

turn a corner

Meaning
to begin to improve after a difficult period
Example
Things started to **turn a corner** after the new management took over.
idiom

Economic backbone

Meaning
The most important part of the economy.
Example
Small businesses are the **economic backbone** of the nation.
idiom

better safe than sorry

Meaning
It’s wiser to be cautious than to take risks and regret later.
Example
I always double-check the locks — **better safe than sorry**.
idiom

keep your word

Meaning
to honor a promise or commitment
Example
You must always **keep your word** if you want to gain trust.
idiom

believe you’re good enough

Meaning
to accept that you are capable and worthy
Example
To overcome fear, you must **believe you’re good enough**.
idiom

time's up

Meaning
the time for something or someone has ended
Example
You have to finish the test now. **Time's up**!
idiom

eat one's words

Meaning
to admit that what one said was wrong
Example
He had to **eat his words** after breaking his promise.
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

drop your jaw

Meaning
to be extremely surprised or shocked
Example
Everyone’s jaws **dropped** when they saw the price.
idiom

buckle down

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

black hole

Meaning
a situation where things disappear or are lost without explanation
Example
All the research data went into a **black hole** after the server crash.
idiom

head over heels

Meaning
deeply in love
Example
He fell **head over heels** for her the moment they met.
idiom

swear on one’s life

Meaning
to make a very serious promise that something is true
Example
I **swear on my life**, I didn’t do it!
idiom

viral content

Meaning
Content that spreads rapidly across the internet, usually through social media.
Example
The video went **viral** after being shared on Facebook.
idiom

hand down

Meaning
to pass something to someone of a later generation
Example
My grandmother **handed down** this recipe to me.
idiom

guide the way

Meaning
to lead someone through a process or path
Example
A good leader knows how to **guide the way** for their team to succeed.
idiom

rant and rave

Meaning
to shout and complain loudly
Example
He was **ranting and raving** about the bad service.
idiom

game plan

Meaning
a carefully thought-out strategy
Example
We need a solid **game plan** before meeting the investors.
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

hit the target market

Meaning
to reach the intended audience effectively
Example
Our ads finally **hit the target market** this quarter.
idiom

touch gold

Meaning
to be very successful or lucky in something
Example
Every project he takes on seems to **touch gold**.
idiom

peel off

Meaning
to remove something, especially a layer, from a surface
Example
**Peel off** the label before recycling the jar.
idiom

put words in someone’s mouth

Meaning
to say someone said something they did not
Example
Don’t **put words in my mouth**—I never said that!
idiom

take stock of

Meaning
to review a situation carefully before making decisions
Example
Let’s **take stock of** our priorities this quarter.
idiom

keep someone's secret

Meaning
to not tell others what someone has told you in confidence
Example
You can trust me—I’ll **keep your secret**.
idiom

play fair

Meaning
to act honestly and treat others equally
Example
We expect everyone to **play fair** during the competition.
idiom

get a grip

Meaning
to control your emotions and behave sensibly
Example
Stop panicking and **get a grip** on yourself!
idiom

overnight success

Meaning
a person or thing that becomes successful very quickly
Example
Her first song made her an **overnight success**.
idiom

quick on the uptake

Meaning
able to understand things quickly
Example
You don’t need to explain it twice—he’s **quick on the uptake**.
idiom

conversion rate

Meaning
The percentage of visitors to a website who take a desired action, such as making a purchase or signing up.
Example
Our **conversion rate** has significantly improved after the redesign of the website.
idiom

Keep an even keel

Meaning
To stay calm and steady, especially during difficulties.
Example
Despite the pressure, she **kept an even keel** throughout the project.
idiom

clean conscience

Meaning
feeling that you have done nothing wrong
Example
He can sleep well because he has a **clean conscience**.
idiom

have words with

Meaning
to argue or disagree with someone
Example
She **had words with** her boss about the new schedule.
idiom

cloud computing

Meaning
the practice of using remote servers to store, manage, and process data over the internet
Example
Many businesses rely on **cloud computing** for data storage and security.
idiom

live and let live

Meaning
to allow others to live as they choose without interference
Example
I believe in the principle of **live and let live**.
idiom

Shoulder to shoulder

Meaning
Working together closely and equally.
Example
The soldiers stood **shoulder to shoulder** in battle.
idiom

hot under the collar

Meaning
feeling angry or embarrassed
Example
He got **hot under the collar** when his mistake was pointed out.
idiom

blind experiment

Meaning
a test conducted without participants knowing certain information to prevent bias
Example
The scientists conducted a **blind experiment** to ensure accuracy.
idiom

a light bulb moment

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

drift apart

Meaning
to slowly become less close or connected over time
Example
After college, they gradually **drifted apart**.
idiom

the benefit of the doubt

Meaning
to believe someone even if you are not sure they are telling the truth
Example
I’ll give him **the benefit of the doubt** and believe his story.
idiom

take the time to listen

Meaning
to make an effort to understand or care about someone else's feelings
Example
Sometimes, all we need is to **take the time to listen** to others' problems.
idiom

fend off

Meaning
to defend against something or someone
Example
They installed lights to **fend off** raccoons in the yard.
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

lend a hand

Meaning
to help someone with something
Example
Can you **lend a hand** with these boxes?
idiom

driven by passion

Meaning
to be motivated by strong enthusiasm or love for something
Example
He is **driven by passion** to help others succeed.
idiom

spitting image

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

in high spirits

Meaning
feeling cheerful and happy
Example
Everyone was **in high spirits** during the festival.
idiom

white as snow

Meaning
Pure and innocent.
Example
Her intentions were **white as snow**.
idiom

on one's shoulders

Meaning
having the responsibility or burden of something
Example
The success of the project is **on his shoulders**.
idiom

go back on one's word

Meaning
to not do what one said one would do
Example
He **went back on his word** about helping me.
idiom

go under the knife

Meaning
to have a surgical operation
Example
He had to **go under the knife** to fix his knee injury.
idiom

drama queen

Meaning
a person who exaggerates or overreacts to situations
Example
Don’t be such a **drama queen**; it’s not that serious.
idiom

seeing is believing

Meaning
only what one sees can be believed; things must be experienced to be believed.
Example
I was skeptical at first, but when I saw the results, I realized **seeing is believing**.
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 man of his word

Meaning
a person who keeps their promises
Example
He’s **a man of his word**, you can trust him.
idiom

on good terms

Meaning
to have a friendly and peaceful relationship
Example
They are still **on good terms** even after the breakup.
idiom

Balance the scales

Meaning
to make sure everything is fair or equal
Example
We need to **balance the scales** before making a final decision.
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

go steady

Meaning
to date someone regularly and exclusively
Example
They've been **going steady** for over two years now.
idiom

up to speed

Meaning
to have the latest information or be fully informed
Example
I’ll get you **up to speed** on the new system tomorrow.
idiom

Star-studded

Meaning
Full of famous or talented people.
Example
The event was **star-studded** with celebrities from all fields.
idiom

Keep it real

Meaning
To stay honest and genuine.
Example
She always tries to **keep it real** in her relationships.
idiom

run in the family

Meaning
a characteristic that many members of a family share
Example
Good looks **run in the family** — all of them are beautiful!
idiom

act out

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

knock your socks off

Meaning
to impress or surprise someone greatly
Example
The concert will **knock your socks off**!
idiom

zero-day vulnerability

Meaning
A security flaw in software that is exploited by hackers before the vendor has a chance to fix it
Example
The **zero-day vulnerability** was exploited by hackers to steal sensitive data.
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

a roller coaster of emotions

Meaning
experiencing intense and fluctuating emotions
Example
Her life has been **a roller coaster of emotions** since the accident.
idiom

fight fire with fire

Meaning
to use the same tactics as one’s opponent
Example
When negotiations failed, they decided to **fight fire with fire**.
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

knock around

Meaning
to spend time doing casual activities
Example
We’ll **knock around** the city after the workshop.
idiom

cornerstone of success

Meaning
the most important foundation or element for achieving success
Example
Hard work is the **cornerstone of success**.
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

to have a thirst for knowledge

Meaning
to have a strong desire to learn or gain more knowledge
Example
She always **has a thirst for knowledge** and keeps reading books.
idiom

cutting-edge technology

Meaning
the most advanced and innovative technology available
Example
Our startup uses **cutting-edge technology** to solve complex problems.
idiom

in the limelight

Meaning
to be the focus of public attention
Example
After winning the award, he was **in the limelight** for months.
idiom

to teach an old dog new tricks

Meaning
to try to teach someone something they are set in their ways about
Example
It’s hard to **teach an old dog new tricks** when it comes to new technology.
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

take the reins

Meaning
to take control or responsibility
Example
After the director retired, she **took the reins** of the company.
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

Best foot forward

Meaning
To try to make the best possible impression
Example
She always puts her **best foot forward** on important occasions.
idiom

in the heat of the moment

Meaning
acting impulsively or emotionally, without thinking
Example
I said some things I regret **in the heat of the moment**.
idiom

case closed

Meaning
the matter is settled or finished
Example
The evidence was clear, so it’s **case closed**.
idiom

logged in

Meaning
to gain access to a computer or system
Example
She **logged in** to check her emails.
idiom

wear the crown

Meaning
to be in a position of leadership or power
Example
It's not easy to **wear the crown** and handle all responsibilities.
idiom

put on your thinking cap

Meaning
to start thinking seriously about solving a problem
Example
Let’s **put on our thinking caps** and find a solution.
idiom

a weak link

Meaning
the least reliable or secure part of a system or group
Example
One careless employee can be **a weak link** in the security chain.
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.
idiom

rolling in money

Meaning
having a lot of money
Example
After his business took off, he’s been **rolling in money**.
idiom

sow the seeds of something

Meaning
to begin a process that leads to a result
Example
His actions **sowed the seeds of** mistrust among the team.
idiom

wave the white flag

Meaning
to surrender or give up
Example
After a long debate, he finally **waved the white flag**.
idiom

it's not rocket science

Meaning
it's not difficult to understand
Example
You can learn to cook, **it's not rocket science**.
idiom

burning ambition

Meaning
a very strong desire to achieve something
Example
He had a **burning ambition** to become a successful entrepreneur.
idiom

lose your nerve

Meaning
to become too frightened to do something
Example
I was going to ask her out, but I **lost my nerve**.
idiom

draw a blank

Meaning
to be unable to remember or think of something
Example
When asked about the date, she **drew a blank**.
idiom

lose track of

Meaning
to forget or stop being aware of something
Example
I completely **lost track of time** while watching the movie.
idiom

keep faith

Meaning
to continue believing in something or someone
Example
Even in tough times, you must **keep faith**.
idiom

steal the show

Meaning
to be the most outstanding performer
Example
Her performance **stole the show** last night.
idiom

nose around

Meaning
to search for information in a curious way
Example
Reporters began to **nose around** after the leak.
idiom

get ahead in life

Meaning
to succeed or progress in one's life or career
Example
He worked hard to **get ahead in life** and build a successful career.
idiom

be at your wits' end

Meaning
to be so worried or upset that you don't know what to do
Example
I'm **at my wits' end** trying to calm the kids down.
idiom

keep an eye on someone

Meaning
to watch someone carefully because you don’t trust them completely
Example
I’ll **keep an eye on him** while you’re away.
idiom

the driving force

Meaning
the person or thing that motivates or leads progress
Example
She was **the driving force** behind the project.
idiom

hit the road again

Meaning
to resume a journey after a stop
Example
After lunch, we **hit the road again**.
idiom

to goof up

Meaning
to make a silly or careless mistake
Example
She **goofed up** the numbers in the report.
idiom

ring the changes

Meaning
to make changes to something to make it more interesting or effective
Example
The restaurant decided to **ring the changes** with a new menu.
idiom

green-eyed jealousy

Meaning
strong feeling of envy
Example
**Green-eyed jealousy** can ruin even the best relationships.
idiom

line up with

Meaning
to match or agree with something
Example
These metrics **line up with** our targets.
idiom

Keep the faith

Meaning
Continue to believe that things will work out.
Example
Even in hard times, **keep the faith**.