betray someone's trust
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All Types idiom phrasal-verb proverb
Content locale
EN English BN Bengali HI Hindi ES Spanish FR French DE German RU Russian ZH Chinese JA Japanese
All Expression Cards All Expressions
idiom

betray someone's trust

Meaning
to break someone's confidence in you
Example
She would never **betray your trust**.
idiom

by the book

Meaning
to follow the rules exactly
Example
Our manager does everything **by the book**.
idiom

be on the same page

Meaning
to agree with someone or have the same understanding
Example
Before getting married, they made sure they were **on the same page** about their future.
idiom

buy a lemon

Meaning
to buy something that is defective or worthless
Example
He **bought a lemon** when he got that used car.
idiom

bat around

Meaning
to discuss ideas casually
Example
We spent the afternoon **batting around** marketing themes.
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

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

beyond your wildest dreams

Meaning
better or more amazing than imagined
Example
Her success was **beyond her wildest dreams**.
idiom

backdoor

Meaning
An undocumented way of accessing a system or software, usually used by hackers to bypass security.
Example
The attacker installed a **backdoor** to access the system at any time without being detected.
idiom

breach of trust

Meaning
a failure to keep information or promises secure
Example
Leaking user data is a major **breach of trust**.
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

by the skin of one’s teeth

Meaning
To narrowly escape or achieve something by a very small margin.
Example
I passed the exam **by the skin of my teeth**.
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

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

born in the purple

Meaning
born into a wealthy or royal family
Example
He was **born in the purple**, so wealth was never an issue.
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

blow the whistle

Meaning
to expose wrongdoing or reveal secret information
Example
He **blew the whistle** on the company’s illegal activities.
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

brand awareness

Meaning
the extent to which consumers are familiar with a brand
Example
Our main goal is to increase **brand awareness** through social media.
idiom

bootstrapping

Meaning
building a business without external funding
Example
He started his company through **bootstrapping**, using only his savings.
idiom

Burning question

Meaning
An important or urgent question that people are eager to know.
Example
The **burning question** is whether the plan will actually work.
idiom

burst with energy

Meaning
to have a lot of energy and enthusiasm
Example
The children were **bursting with energy** during the game.
idiom

bide your time

Meaning
to wait patiently for the right moment
Example
She decided to **bide her time** before making a move.
idiom

blind justice

Meaning
justice that is impartial and not influenced by external factors
Example
**Blind justice** treats everyone the same, regardless of wealth or status.
idiom

beyond a shadow of a doubt

Meaning
without any doubt; completely certain
Example
He is **beyond a shadow of a doubt** the best candidate for the job.
idiom

brush up on

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

believe you can

Meaning
to have the mindset that you are capable of doing something
Example
If you **believe you can**, you’re halfway there.
idiom

behind the firewall

Meaning
protected or isolated from external threats
Example
Sensitive company data should always stay **behind the firewall**.
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

brand loyalty

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

blow someone's mind

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

boil over

Meaning
when anger becomes too much to control
Example
The argument finally **boiled over** into a shouting match.
idiom

boil down to

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

bring home the bacon

Meaning
to earn money to support the family
Example
He works hard every day to **bring home the bacon**.
idiom

brain like a computer

Meaning
to have an extremely analytical and efficient mind
Example
She remembers every detail; she has a **brain like a computer**.
idiom

bury the lead

Meaning
to hide the most important part of the story
Example
Don’t **bury the lead**—mention the main point first.
idiom

behind enemy lines

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

broken-hearted

Meaning
extremely sad about something or someone
Example
He was **broken-hearted** after the breakup.
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

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

botnet

Meaning
a network of computers infected with malware that are controlled remotely by a hacker
Example
The hacker used the **botnet** to launch a massive DDoS attack on the server.
idiom

brush off

Meaning
to dismiss something or someone as unimportant
Example
He tried to **brush off** the criticism during the meeting.
idiom

blue sky thinking

Meaning
creative and visionary thinking that ignores practical limitations
Example
Let's engage in some **blue sky thinking** to come up with innovative solutions.
idiom

bend the truth

Meaning
to slightly change the truth to make something sound better
Example
He tends to **bend the truth** when telling stories.
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

bold as brass

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

black and blue

Meaning
bruised; having marks from injury
Example
He was **black and blue** after falling off his bike.
idiom

burst out laughing

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

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

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 a fuse

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

behind the eight ball

Meaning
to be in a difficult position or disadvantage
Example
Without proper funding, the project is **behind the eight ball**.
idiom

behind bars

Meaning
in prison
Example
The murderer will spend the rest of his life **behind bars**.
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

bubbling with joy

Meaning
very happy and excited
Example
The children were **bubbling with joy** after receiving their gifts.
idiom

bail on

Meaning
to abandon someone or something suddenly
Example
He wouldn’t **bail on** his friends at the last minute.
idiom

buckle down

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

burn the candle at both ends

Meaning
to work too hard without enough rest
Example
If you **burn the candle at both ends**, you’ll get exhausted soon.
idiom

bend the rules

Meaning
to make exceptions; to modify rules slightly
Example
The teacher **bent the rules** to help the new student.
idiom

brave the storm

Meaning
to face great difficulties with courage
Example
They **braved the storm** to rescue the stranded people.
idiom

buy into

Meaning
to accept or support an idea or plan
Example
The team quickly **bought into** the new workflow.
idiom

bosom friends

Meaning
very close and intimate friends
Example
They have been **bosom friends** since childhood.
idiom

book smart

Meaning
knowledgeable from studying rather than experience
Example
He’s **book smart** but lacks practical experience.
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

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

Born in the barn

Meaning
To have bad manners or lack social etiquette.
Example
Close the door! Were you **born in the barn**?
idiom

beyond the pale

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

black box

Meaning
a system or process whose workings are not understood or transparent
Example
The neural network is often described as a **black box** because its decision-making process is not fully transparent.
idiom

big thanks

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

bail out

Meaning
to release someone from jail after paying bail money
Example
His family managed to **bail him out** after two days.
idiom

bright-eyed and bushy-tailed

Meaning
alert and full of energy, especially in the morning
Example
He came to work **bright-eyed and bushy-tailed** after the weekend.
idiom

burned out

Meaning
completely exhausted or tired due to overwork
Example
After months of overtime, she felt **burned out**.
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

build up your confidence

Meaning
to gradually become more confident
Example
Public speaking can help you **build up your confidence**.
idiom

brain like a sieve

Meaning
having a very bad memory
Example
I keep forgetting things—I’ve got a **brain like a sieve**!
idiom

burn your fingers

Meaning
to suffer because of a bad decision or mistake
Example
He **burned his fingers** by trusting the wrong person.
idiom

build bridges

Meaning
to improve relationships between people
Example
We need to **build bridges** between our two departments.
idiom

burst into tears

Meaning
to suddenly start crying
Example
She **burst into tears** after hearing the bad news.
idiom

Be all ears

Meaning
To listen very attentively.
Example
I’m **all ears**, tell me what happened!
idiom

bad blood

Meaning
anger or resentment between family members
Example
There’s still **bad blood** between the cousins after the inheritance issue.
idiom

bring down

Meaning
to make someone feel sad or to reduce something
Example
Don’t let one rude comment **bring down** your confidence.
idiom

burst with happiness

Meaning
to be full of great joy or excitement
Example
The parents **burst with happiness** when they saw their newborn baby.
idiom

balance out

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

bookworm

Meaning
a person who loves reading
Example
He’s such a **bookworm**; he spends all his free time in the library.
idiom

bite the bullet

Meaning
to decide to do something difficult or unpleasant that one has been putting off or hesitating about
Example
I decided to **bite the bullet** and finish my homework.
idiom

bored to death

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

burning desire

Meaning
a strong motivation to achieve something
Example
He has a **burning desire** to succeed in life.
idiom

balance the books

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

be all smiles

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

butterflies in one's stomach

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

between a rock and a hard place

Meaning
facing two difficult choices
Example
She’s **between a rock and a hard place** — neither option is good.
idiom

better late than never

Meaning
it’s better to do something late than not do it at all
Example
**Better late than never** – he finally apologized.
idiom

byte the bullet

Meaning
to face a difficult situation bravely
Example
We have to **byte the bullet** and fix the system bugs now.
idiom

blood is thicker than water

Meaning
family relationships are stronger than others
Example
He helped his brother because **blood is thicker than water**.
idiom

bosom friend

Meaning
a very close and trusted friend
Example
We’ve been **bosom friends** since childhood.
idiom

busy as a bee

Meaning
very active or hardworking
Example
She’s **as busy as a bee** preparing for the wedding.
idiom

be thick as thieves

Meaning
to be very close friends
Example
Those two have been **thick as thieves** since childhood.
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

break down in tears

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

butterflies in my stomach

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

be on duty

Meaning
to be working or responsible for something at a certain time
Example
The guard was **on duty** all night.
idiom

break the mold

Meaning
to do something differently from tradition
Example
She **broke the mold** by becoming the first female CEO.
idiom

burn your bridges

Meaning
to make a decision that cannot be reversed
Example
Be careful not to **burn your bridges** with your old employer.
idiom

build from scratch

Meaning
to start something from the very beginning
Example
They **built the company from scratch** with no outside funding.
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

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

bird’s eye view

Meaning
a view from a high position; an overview
Example
We got a **bird’s eye view** of the city from the tower.
idiom

bounce back

Meaning
to recover quickly after a setback or failure
Example
She **bounced back** after losing the competition.
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

build from the ground up

Meaning
to start something from the very beginning
Example
They **built their business from the ground up** with no investors.
idiom

buckle under pressure

Meaning
to give in or fail due to too much stress or pressure
Example
Some employees **buckle under pressure**, while others thrive.
idiom

black and white

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

believe in yourself

Meaning
to have confidence in your own abilities
Example
**Believe in yourself** and you can achieve anything.
idiom

break up

Meaning
to end a romantic relationship
Example
They decided to **break up** after five years together.
idiom

Bet the farm

Meaning
To risk everything on one big decision.
Example
He **bet the farm** on that business deal.
idiom

break one's word

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

be in high spirits

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

by leaps and bounds

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