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idiom

black and white

Meaning
clearly defined; without confusion or ambiguity
Example
The contract terms are **black and white**.
idiom

Bailout package

Meaning
Financial support given to prevent a company or economy from collapsing.
Example
The government announced a **bailout package** for struggling airlines.
idiom

burn the midnight oil

Meaning
to work late into the night
Example
She **burned the midnight oil** to finish her project.
idiom

book someone

Meaning
to officially charge someone with a crime
Example
The police **booked** him for theft.
idiom

brute force attack

Meaning
a method of hacking that tries all possible combinations of passwords until the correct one is found
Example
The attacker launched a **brute force attack** on the system’s login page.
idiom

backpropagation

Meaning
a learning algorithm used in neural networks to minimize error by adjusting weights through the network
Example
The **backpropagation** algorithm helps in optimizing the neural network's performance.
idiom

be on edge

Meaning
to be nervous, tense, or easily upset
Example
She’s been **on edge** all day waiting for the results.
idiom

burn a hole in one's pocket

Meaning
to spend money quickly or irresponsibly
Example
After receiving his bonus, he couldn't resist and **burned a hole in his pocket** by buying a new car.
idiom

breaking the deadlock

Meaning
to end a situation where no progress is being made
Example
The negotiation team succeeded in **breaking the deadlock**.
idiom

beg to differ

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

brainstorm

Meaning
to generate many creative ideas in a group discussion
Example
Let’s **brainstorm** some ideas for our next campaign.
idiom

behind enemy lines

Meaning
in a hostile or dangerous situation
Example
Journalists were working **behind enemy lines** to report the truth.
idiom

Burn the bridges

Meaning
to destroy the possibility of returning to a previous situation
Example
Once he left the company, he decided to **burn the bridges** and not look back.
idiom

blow someone's cover

Meaning
to reveal someone's secret identity or hidden purpose
Example
The journalist accidentally **blew the cover** of the undercover agent.
idiom

blow a fuse

Meaning
to suddenly become very angry or lose control
Example
He **blew a fuse** when he saw the mess.
idiom

backdoor access

Meaning
a secret or unauthorized way to access a system or information
Example
Hackers found a **backdoor access** to the company’s database.
idiom

beat down

Meaning
to strike repeatedly with force, such as intense sun or rain
Example
The afternoon sun **beat down** on the field all day.
idiom

Baptism of fire

Meaning
A person’s first difficult experience in a new job or role.
Example
Her first week as manager was a real **baptism of fire**.
idiom

breathe in

Meaning
to inhale air deeply
Example
Take a moment to **breathe in** before you speak.
idiom

brush up on

Meaning
to improve one’s skill or knowledge
Example
She decided to **brush up on** her painting techniques.
idiom

blind faith

Meaning
trusting without questioning
Example
Having **blind faith** can sometimes lead to disappointment.
idiom

burst out laughing

Meaning
to suddenly start laughing loudly
Example
Everyone **burst out laughing** at his joke.
idiom

build character

Meaning
to develop positive qualities or strength through challenges
Example
Going through this process will **build character** in the team.
idiom

bear with

Meaning
to be patient with someone or something
Example
Please **bear with** us while we resolve the issue.
idiom

bursting with joy

Meaning
full of happiness and excitement
Example
The children were **bursting with joy** on Christmas morning.
idiom

back out of

Meaning
to withdraw from an agreement or commitment
Example
He **backed out of** the trip at the last minute.
idiom

be responsible for

Meaning
to be in charge of or accountable for something
Example
She is **responsible for** managing the entire department.
idiom

behind closed doors

Meaning
in private; secretly
Example
The deal was made **behind closed doors**.
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

blossom into something

Meaning
to develop or become successful over time
Example
She **blossomed into** a confident and skilled leader.
idiom

buckle under the strain

Meaning
to give in to stress or pressure
Example
She refused to **buckle under the strain** and kept going.
idiom

brush past

Meaning
to move quickly by someone or something with slight contact
Example
He **brushed past** the reporters without stopping.
idiom

bounce around

Meaning
to discuss or move between ideas casually
Example
Let’s **bounce around** concepts before we pick one.
idiom

beginner’s luck

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

Bring peace to

Meaning
To restore calm or tranquility in a situation.
Example
Her kind words helped **bring peace to** the argument.
idiom

bold as brass

Meaning
to be very confident and not shy at all
Example
She walked into the meeting **bold as brass**.
idiom

blow out of proportion

Meaning
to exaggerate or overstate something
Example
The media **blew the story out of proportion**.
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

balance out

Meaning
to counteract or cancel the effect of something
Example
The extra volunteers should **balance out** the workload.
idiom

bottom line

Meaning
the most important point; the final result or profit
Example
The **bottom line** is that trade deficits are increasing.
idiom

bail someone out

Meaning
to help someone out of a difficult situation
Example
His friend **bailed him out** when he ran out of money.
idiom

be your own biggest fan

Meaning
to appreciate and believe in yourself
Example
You should **be your own biggest fan** to stay motivated.
idiom

bury the differences

Meaning
to forget disagreements and be friendly again
Example
They decided to **bury their differences** and work together.
idiom

blow your mind

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

Bootstrap the business

Meaning
To build a company using only personal finances.
Example
They decided to **bootstrap the business** instead of seeking investors.
idiom

butterflies in your stomach

Meaning
feeling nervous or anxious
Example
I always get **butterflies in my stomach** before a big presentation.
idiom

bite off more than you can chew

Meaning
to take on a task that is too big to handle
Example
I think I **bit off more than I can chew** by agreeing to manage three projects at once.
idiom

brighten up your day

Meaning
to make someone feel happier
Example
Her smile can **brighten up your day** instantly.
idiom

bury your head in the sand

Meaning
to ignore a problem hoping it will go away
Example
We can’t **bury our heads in the sand** about climate change any longer.
idiom

break new ground

Meaning
to do something innovative or pioneering
Example
Their research **broke new ground** in medical science.
idiom

break the ice

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

break the problem down

Meaning
to divide a complex problem into smaller, more manageable parts
Example
Let's **break the problem down** into smaller steps.
idiom

break down

Meaning
to start crying due to strong emotions
Example
She **broke down** when she heard the sad news.
idiom

bloom where you’re planted

Meaning
make the best of your current situation
Example
Even in tough times, she **blooms where she’s planted**.
idiom

bored to death

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

black hat

Meaning
a hacker with malicious intent
Example
**Black hats** often exploit vulnerabilities for personal gain.
idiom

born poor, die rich

Meaning
to start life poor but become rich through hard work
Example
He’s the kind of man who wants to **born poor, die rich**.
idiom

butter wouldn’t melt in their mouth

Meaning
someone who looks innocent but might not be
Example
She looks so sweet—**butter wouldn’t melt in her mouth**.
idiom

buckle down

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

bark up the wrong tree

Meaning
to make a wrong assumption
Example
If you think I took your wallet, you’re **barking up the wrong tree**.
idiom

blow your own trumpet

Meaning
to boast or brag about your achievements
Example
He never stops **blowing his own trumpet** about his success.
idiom

boot up

Meaning
to start a computer or system
Example
My laptop takes forever to **boot up**.
idiom

beam me up

Meaning
to leave a place quickly or escape an unpleasant situation
Example
This meeting is so boring—someone please **beam me up**!
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

break down in tears

Meaning
to start crying suddenly
Example
She **broke down in tears** after hearing the sad story.
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

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

beyond the pale

Meaning
outside acceptable rules or standards
Example
His behavior was **beyond the pale**.
idiom

Band together

Meaning
To unite for a common purpose.
Example
The workers **banded together** to demand better wages.
idiom

bring up a family

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

behind someone’s back

Meaning
to do something secretly without their knowledge
Example
She was talking about me **behind my back**.
idiom

be sure of yourself

Meaning
to have confidence in your abilities or opinions
Example
To be a leader, you must **be sure of yourself**.
idiom

be a role model

Meaning
to be an example that others should imitate
Example
She is always a **role model** for younger employees in the company.
idiom

bull market

Meaning
a period when prices of stocks are rising
Example
Investors are optimistic during a **bull market**.
idiom

Break bread with someone

Meaning
To share a meal; to bond over food
Example
They decided to **break bread** to celebrate their new partnership.
idiom

bent over backwards

Meaning
to try very hard to help or please someone
Example
She **bent over backwards** to make sure everyone was happy.
idiom

button up

Meaning
to finish preparations or close something securely
Example
Let’s **button up** the proposal by Friday.
idiom

beyond a reasonable doubt

Meaning
without any logical reason to doubt; with full certainty
Example
The evidence proved his guilt **beyond a reasonable doubt**.
idiom

balance of trade

Meaning
the difference between a country's exports and imports
Example
A negative **balance of trade** can weaken a nation's currency.
idiom

back on one’s feet

Meaning
to recover and be healthy again
Example
After a few days of rest, he’s finally **back on his feet**.
idiom

break the law

Meaning
to commit an illegal act
Example
Anyone who **breaks the law** should be punished.
idiom

back out

Meaning
to withdraw from an agreement or commitment
Example
They can’t **back out** after signing the contract.
idiom

build one's confidence

Meaning
to increase one's self-assurance or belief in one's abilities
Example
Public speaking classes helped him **build his confidence**.
idiom

Born with a silver spoon in one's mouth

Meaning
To be born into a wealthy family.
Example
He never had to struggle; he was **born with a silver spoon in his mouth**.
idiom

bank on

Meaning
to rely on or depend on something happening
Example
You can **bank on** her support during tough times.
idiom

bite the byte

Meaning
to deal with a difficult technological challenge
Example
Developers had to **bite the byte** to fix the software issue.
idiom

be like family

Meaning
to be as close as family members
Example
My best friend is **like family** to me.
idiom

Break with tradition

Meaning
To do something in a different way from what is usually done
Example
The couple decided to **break with tradition** and have a small wedding on the beach.
idiom

Barking up the wrong tree

Meaning
To pursue a mistaken or misguided course of action.
Example
If you think I'm guilty, you're **barking up the wrong tree**.
idiom

by and large

Meaning
generally speaking; on the whole
Example
**By and large**, we agree with your proposal.
idiom

be all smiles

Meaning
to look very happy and cheerful
Example
She was **all smiles** after hearing the good news.
idiom

Born and bred

Meaning
Having lived all one’s life in a particular place and influenced by its culture
Example
She’s a Dhaka **born and bred** woman.
idiom

bend over backwards

Meaning
to make a great effort to help or please someone
Example
She **bent over backwards** to make the event successful.
idiom

Batten down the hatches

Meaning
To prepare for a difficult or dangerous situation.
Example
We’d better **batten down the hatches**; a storm is coming.
idiom

be lost for words

Meaning
to be so surprised that you cannot speak
Example
I was **lost for words** when I won the prize.
idiom

big-hearted

Meaning
very kind and generous
Example
He is known as a **big-hearted** man.
idiom

bring down the house

Meaning
to get an enthusiastic applause from the audience
Example
Her solo performance **brought down the house**.
idiom

by the way

Meaning
used to introduce a new topic or add extra information
Example
**By the way**, did you finish your project?
idiom

by leaps and bounds

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

build trust

Meaning
to create or develop trust in a relationship
Example
It takes time to **build trust** with new people.
idiom

battle of wills

Meaning
a conflict where both sides refuse to give up
Example
It became a **battle of wills** between the manager and the team leader.
idiom

break into a market

Meaning
to successfully enter a new market or industry
Example
The company is trying to **break into the Asian market**.
idiom

brighten someone's day

Meaning
to make someone feel happier
Example
Her kindness really **brightened my day**.
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

boil down to

Meaning
to have something as the main point or reason
Example
The argument **boiled down to** a simple misunderstanding.
idiom

be at the helm

Meaning
to be in charge of or control something
Example
He was **at the helm** of the company when it became successful.
idiom

Build bridges, not walls

Meaning
Make connections and friendships rather than creating barriers
Example
Instead of fighting, let's **build bridges, not walls**.
idiom

beyond the scope

Meaning
outside the planned or expected area of focus
Example
The new feature was beyond the scope of the original project but added great value.
idiom

Break a sweat

Meaning
To exert effort or work hard at something.
Example
She didn't even **break a sweat** while finishing the entire project in one day.
idiom

Burn rate

Meaning
The rate at which a startup spends its capital.
Example
Our **burn rate** is too high; we need to cut costs.
idiom

burn out

Meaning
to become very tired and lose motivation due to overwork
Example
If you don’t rest, you’ll **burn out** soon.
idiom

blow one’s own trumpet

Meaning
to praise oneself; to boast about one's achievements
Example
He loves to **blow his own trumpet** whenever he achieves something.
idiom

breathe easy

Meaning
to relax after a stressful or dangerous situation
Example
After the pollution control laws were enforced, people could finally **breathe easy**.
idiom

bottom out

Meaning
to reach the lowest point before improving
Example
Experts believe the market has **bottomed out**.
idiom

be at someone’s beck and call

Meaning
to always be ready to help or obey someone
Example
The assistant is **at his boss’s beck and call**.
idiom

bring forward

Meaning
to move something to an earlier time
Example
We had to **bring forward** the meeting due to travel.
idiom

brand loyalty

Meaning
the tendency of consumers to keep buying the same brand
Example
**Brand loyalty** often depends on consistent quality.
idiom

Buy low, sell high

Meaning
The strategy of buying goods or assets cheaply and selling them for a profit.
Example
Every investor dreams to **buy low, sell high**.
idiom

behind the times

Meaning
old-fashioned or not keeping up with modern ideas
Example
My uncle still uses a typewriter—he’s **behind the times**.
idiom

break out in a cold sweat

Meaning
to suddenly start sweating due to fear or anxiety
Example
He **broke out in a cold sweat** before his job interview.
idiom

break your back

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