A Pandora’s box
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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

get along like a house on fire

Meaning
To quickly become good friends and enjoy each other’s company.
Example
They met last week and **got along like a house on fire**.
idiom

reduce carbon footprint

Meaning
to decrease the amount of carbon dioxide and other greenhouse gases released into the atmosphere
Example
Many companies are working to **reduce their carbon footprint** by using renewable energy.
idiom

opt in

Meaning
to choose to participate
Example
Employees can **opt in** to the wellness program.
idiom

cross your mind

Meaning
to think of something briefly
Example
It never **crossed my mind** that he could lie.
idiom

gray area

Meaning
a situation that is not clearly defined or falls between two categories
Example
AI surveillance laws still fall into a **gray area**.
idiom

light up someone’s day

Meaning
to make someone happy
Example
Your kind words **lighted up my day**.
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

bring the curtain down

Meaning
to end something; to finish a performance or event
Example
The concert **brought the curtain down** on the music festival.
idiom

reinforcement learning

Meaning
a type of machine learning where an agent learns to make decisions by performing actions and receiving feedback
Example
In **reinforcement learning**, the model improves over time as it learns from trial and error.
idiom

Plead the fifth

Meaning
To refuse to answer a question, often in legal contexts, to avoid self-incrimination.
Example
When asked about the financial discrepancies, he chose to **plead the fifth**.
idiom

Hold your head high

Meaning
To be proud and confident even after failure or hardship.
Example
Even after losing, she **held her head high**.
idiom

sleep tight

Meaning
to have a good and peaceful sleep
Example
Good night! **Sleep tight** and sweet dreams.
idiom

the art of war

Meaning
strategies or tactics for achieving success in difficult situations
Example
The general studied **the art of war** to prepare for the upcoming battle.
idiom

pull at heartstrings

Meaning
to evoke strong emotions, usually sympathy or sadness, in an audience
Example
The charity’s commercial really **pulls at the heartstrings**.
idiom

a couch potato

Meaning
a person who spends a lot of time sitting and watching TV
Example
He’s become **a couch potato** since he lost his job.
idiom

Lady Luck

Meaning
personification of luck as a woman who brings good fortune
Example
**Lady Luck** was on our side when we won the match.
idiom

Pull through

Meaning
To survive or recover from a difficult situation.
Example
He was very sick, but he **pulled through** in the end.
idiom

butterflies in one's stomach

Meaning
feeling nervous or anxious
Example
I had **butterflies in my stomach** before the interview.
idiom

weather the storm

Meaning
to survive a difficult situation
Example
Our company managed to **weather the storm** during the crisis.
idiom

gear up for

Meaning
to prepare for something
Example
The engineers are **gearing up for** the final test run.
idiom

take the long view

Meaning
to plan or think about the future rather than short-term gains
Example
Successful leaders always **take the long view** when making decisions.
idiom

corner office

Meaning
a symbol of success or high position in a company
Example
Everyone dreams of getting the **corner office** one day.
idiom

be accountable for

Meaning
to be responsible for something and able to explain it
Example
As the team leader, he is **accountable for the project's outcome**.
idiom

burning ambition

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

have faith in someone

Meaning
to trust someone completely
Example
You should **have faith in** your team.
idiom

tell tales

Meaning
to gossip or reveal secrets, often to get someone in trouble
Example
Stop **telling tales** about your coworkers.
idiom

there’s always tomorrow

Meaning
you’ll have another chance in the future
Example
Don’t be sad about today’s failure — **there’s always tomorrow**.
idiom

think on one's feet

Meaning
to be able to make quick decisions and act quickly, especially in an emergency
Example
During the meeting, she had to **think on her feet** and come up with a solution.
idiom

a man of integrity

Meaning
someone who is honest and morally upright
Example
He is known as **a man of integrity** in the business world.
idiom

carry the can

Meaning
to accept responsibility or blame, often unfairly.
Example
She was left to **carry the can** after her manager left.
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

call it a day

Meaning
to stop working for the day
Example
Let’s **call it a day** and go home.
idiom

not born yesterday

Meaning
not easily fooled; experienced and smart
Example
Don’t try to trick me — I was **not born yesterday**.
idiom

throw your weight around

Meaning
to use one’s power or influence aggressively
Example
He likes to **throw his weight around** in meetings.
idiom

have a vision

Meaning
to have a clear idea or dream for the future
Example
A good leader must **have a vision** for their team.
idiom

to have a lot on one's plate

Meaning
to have a lot of tasks or responsibilities to deal with
Example
She can't take on any more projects; she already has **a lot on her plate**.
idiom

pop the question

Meaning
to ask someone to marry you
Example
He finally **popped the question** during dinner.
idiom

live up to expectations

Meaning
to fulfill what is expected of you
Example
He worked hard to **live up to expectations**.
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

feeling blue

Meaning
to feel sad or depressed
Example
She’s been **feeling blue** all day.
idiom

a step in the right direction

Meaning
a small action that leads to progress towards a goal
Example
Completing the first phase of the project is definitely **a step in the right direction**.
idiom

bored to death

Meaning
extremely bored
Example
I was **bored to death** during the long lecture.
idiom

hand in glove

Meaning
working closely and harmoniously together
Example
The two partners work **hand in glove** to achieve their goals.
idiom

divide and conquer

Meaning
to gain control by causing disagreement among others
Example
The dictator used a **divide and conquer** strategy to maintain power.
idiom

put two and two together

Meaning
to figure out something by reasoning
Example
He **put two and two together** and realized she was lying.
idiom

break the fourth wall

Meaning
to address the audience directly in a play or film
Example
The actor **broke the fourth wall** to make the scene funnier.
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

smear campaign

Meaning
an attempt to damage someone's reputation through false accusations or gossip
Example
The opposition launched a **smear campaign** against the minister.
idiom

blow up in your face

Meaning
a plan or situation that suddenly goes wrong and causes trouble
Example
His plan to impress the boss **blew up in his face**.
idiom

turn a new leaf

Meaning
to make a fresh start or change for the better
Example
After the incident, he decided to **turn a new leaf** and improve his behavior.
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

fire up

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

lend a helping hand

Meaning
to offer assistance or support
Example
She always tries to **lend a helping hand** to those in need.
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

in the back of one's mind

Meaning
thinking about something without giving it full attention
Example
I've always had this idea **in the back of my mind**, but never really acted on it.
idiom

a barrel of laughs

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

sandboxing

Meaning
A security mechanism used to run applications in an isolated environment to prevent potential damage to the system.
Example
By using **sandboxing**, the malware was contained and couldn't affect the rest of the system.
idiom

hit the jackpot

Meaning
to achieve great success or win something valuable
Example
He **hit the jackpot** when his startup got acquired for millions.
idiom

green thumb

Meaning
a natural talent for gardening or growing plants
Example
My mother has a **green thumb**; everything she plants grows beautifully.
idiom

take heart

Meaning
to feel encouraged or more confident
Example
You should **take heart**; things will get better soon.
idiom

SEO-friendly

Meaning
optimized to rank higher in search engine results
Example
Make sure your website is **SEO-friendly**.
idiom

Make headlines

Meaning
To become an important news story
Example
Her sudden resignation **made headlines** across the country.
idiom

in the dumps

Meaning
feeling sad or depressed
Example
After the argument, he was really **in the dumps**.
idiom

double check

Meaning
to verify something again for accuracy
Example
Always **double check** the numbers before submitting.
idiom

ease up on

Meaning
to reduce how much you use or pressure someone
Example
Let’s **ease up on** the reminders now that the report is done.
idiom

hit the ceiling

Meaning
to reach the highest possible level or price
Example
The stock prices **hit the ceiling** after the merger news.
idiom

turn a blind eye

Meaning
to deliberately ignore something wrong or unpleasant
Example
The manager **turned a blind eye** to employees leaving early on Fridays.
idiom

have the time of your life

Meaning
to have an extremely enjoyable experience
Example
We **had the time of our lives** at the amusement park.
idiom

give someone the creeps

Meaning
to make someone feel uncomfortable or afraid
Example
Old abandoned houses **give me the creeps**.
idiom

deep learning dive

Meaning
to study or explore something in great depth
Example
He took a **deep learning dive** into neural networks last month.
idiom

a helping hand

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

trust goes both ways

Meaning
both sides must trust each other
Example
**Trust goes both ways** in any relationship.
idiom

better luck next time

Meaning
used to encourage someone who has failed
Example
**Better luck next time**! You almost won.
idiom

have the guts

Meaning
to have courage or bravery to do something difficult
Example
She didn’t **have the guts** to tell him the truth.
idiom

Old hat

Meaning
Something that is outdated or no longer interesting
Example
That style is **old hat** now—no one wears it anymore.
idiom

get worked up

Meaning
to become upset or angry about something
Example
Don’t **get worked up** over minor mistakes.
idiom

talk over

Meaning
to discuss something thoroughly
Example
Let’s **talk over** the proposal before we send it.
idiom

steal the spotlight

Meaning
to get all the attention, often taking it away from someone else
Example
The little girl **stole the spotlight** at the wedding with her adorable dance.
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

true colors

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

keep something to yourself

Meaning
not tell anyone about something
Example
Please **keep it to yourself** until we’re ready to announce.
idiom

miss the mark

Meaning
to fail to achieve the intended result
Example
His speech **missed the mark** and didn’t impress anyone.
idiom

brainstorm an idea

Meaning
to discuss and think creatively to generate new ideas
Example
The teacher asked the class to **brainstorm ideas** for the project.
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

feel on top of things

Meaning
feeling positive and in control of your life
Example
After organizing her tasks, she felt **on top of things**.
idiom

a trip down memory lane

Meaning
to remember pleasant events from the past
Example
Looking through old photos was **a trip down memory lane**.
idiom

take center stage

Meaning
to be the main focus of attention
Example
The issue of climate change **took center stage** at the conference.
idiom

fair and square

Meaning
honest and straightforward; without cheating
Example
She won the competition **fair and square**.
idiom

a global village

Meaning
the world considered as a single community due to technology and communication
Example
The internet has turned the world into **a global village**.
idiom

bring up a family

Meaning
to raise and take care of children
Example
They worked hard to **bring up a family**.
idiom

beat the algorithm

Meaning
to find a way to outsmart or bypass a system's logic
Example
Marketers always try to **beat the algorithm** for better reach.
idiom

old friends are gold

Meaning
old friends are precious and valuable
Example
I always say, **old friends are gold**.
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

hope against hope

Meaning
to continue hoping even when it seems impossible
Example
They **hoped against hope** that their team would win.
idiom

snowed under

Meaning
to have too much work to do
Example
I'm **snowed under** with assignments this week.
idiom

to throw one's hat into the ring

Meaning
to announce one’s candidacy or intention to compete in something
Example
He decided to **throw his hat into the ring** and run for mayor.
idiom

dig deep

Meaning
to use all your strength and determination to achieve something
Example
You’ll have to **dig deep** to finish this marathon.
idiom

turn back the clock

Meaning
to return to an earlier time; to undo progress or change
Example
Many people wish they could **turn back the clock** to their childhood.
idiom

shoulder the burden

Meaning
to take responsibility for something difficult or unpleasant
Example
She had to **shoulder the burden** of caring for her family.
idiom

put your money where your mouth is

Meaning
to support your words with actions or financial commitment
Example
If you believe in the project, **put your money where your mouth is**.
idiom

Old school

Meaning
Having traditional ideas or values; not modern
Example
My father still prefers handwritten letters; he’s really **old school**.
idiom

rough patch

Meaning
a period of difficulty or trouble
Example
Their marriage went through a **rough patch** last year.
idiom

stay strong

Meaning
to remain courageous and confident despite difficulties
Example
Whatever happens, **stay strong** and keep moving forward.
idiom

have the upper hand

Meaning
to have control or advantage over someone
Example
After the merger, the larger company **had the upper hand**.
idiom

give someone a warm welcome

Meaning
to greet someone very kindly and enthusiastically
Example
They **gave us a warm welcome** when we arrived.
idiom

big thanks

Meaning
an informal way to say thank you very much
Example
**Big thanks** to everyone who supported the project.
idiom

mutton dressed as lamb

Meaning
an older person trying to look younger
Example
People laughed when she wore teenage clothes — they said she was **mutton dressed as lamb**.
idiom

spread the word

Meaning
to tell many people about something
Example
Please **spread the word** about our new course.
idiom

pull rank

Meaning
to use one's authority to gain an advantage
Example
He **pulled rank** to get the last seat on the plane.
idiom

go by the book

Meaning
to follow rules or procedures strictly
Example
The officer always **goes by the book** during inspections.
idiom

A friend to all is a friend to none

Meaning
Someone who tries to please everyone may end up pleasing no one
Example
He is friendly to everyone, but he has no real close friends because **a friend to all is a friend to none**.
idiom

Don’t give up

Meaning
Continue trying and don’t quit.
Example
You’ve come so far—**don’t give up** now!
idiom

gain the upper hand

Meaning
to get control or advantage over someone
Example
Through smart negotiation, the ambassador **gained the upper hand**.
idiom

a rolling stone gathers no moss

Meaning
a person who keeps moving and exploring avoids boredom or stagnation
Example
**A rolling stone gathers no moss**, and he’s always on the move.
idiom

blow someone's mind

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

take aback

Meaning
to surprise or shock someone suddenly
Example
I was **taken aback** by his rude behavior.
idiom

that's the last straw

Meaning
my patience has run out
Example
He's been late all week, but this is **the last straw**.
idiom

beat a dead horse

Meaning
to waste time on a topic that has already been resolved
Example
Stop **beating a dead horse**; the decision is final.
idiom

Put your trust in someone

Meaning
To believe in someone's honesty or ability
Example
I chose to **put my trust in her**, and she didn't disappoint me.
idiom

grateful as can be

Meaning
extremely thankful
Example
I’m **grateful as can be** for your guidance.