beyond reasonable doubt
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idiom

beyond reasonable doubt

Meaning
without any logical uncertainty
Example
The jury found him guilty **beyond reasonable doubt**.
idiom

bounce rate

Meaning
the percentage of visitors who leave a website after viewing only one page
Example
We need to lower our **bounce rate** to keep visitors engaged.
idiom

bond of friendship

Meaning
A strong connection of trust and affection between friends.
Example
Their **bond of friendship** grew stronger over the years.
idiom

battle-tested

Meaning
proven effective through experience or hardship
Example
She’s a **battle-tested** leader who knows how to stay calm under pressure.
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

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

brain like a sieve

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

Bursting at the seams

Meaning
To be very full or crowded.
Example
The store was **bursting at the seams** during the sale.
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 in high spirits

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

break someone’s heart

Meaning
to make someone very sad
Example
It really **broke his heart** when she left him.
idiom

burn your boats

Meaning
to commit yourself to a course of action without a way back
Example
He **burned his boats** when he quit his job to start a business.
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

burning with envy

Meaning
feeling intense jealousy
Example
She was **burning with envy** when she heard about his promotion.
idiom

book someone

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

betray someone's trust

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

backseat driver

Meaning
a person who gives unwanted advice or direction
Example
Don't be a **backseat driver**, let me handle it.
idiom

break a promise

Meaning
to fail to do what one promised
Example
She **broke her promise** and didn’t call him.
idiom

bear in mind

Meaning
to remember or consider something
Example
**Bear in mind** that traffic will be heavy at that time.
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

bring forward

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

blow away the cobwebs

Meaning
to refresh one’s mind or body after inactivity
Example
A short walk helped me **blow away the cobwebs**.
idiom

be thick as thieves

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

backdoor entry

Meaning
a secret or unofficial way to access something
Example
Hackers found a **backdoor entry** into the company’s database.
idiom

balance of power

Meaning
the distribution of power between nations to prevent any one nation from becoming too powerful
Example
The United Nations aims to maintain the **balance of power** among its member states.
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

boil down to

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

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

burst of inspiration

Meaning
a sudden feeling of creativity or motivation
Example
He wrote the poem in a **burst of inspiration**.
idiom

bare your soul

Meaning
to share your deepest feelings or secrets honestly
Example
She **bared her soul** to her best friend.
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

blaze a trail

Meaning
to be the first to do something innovative
Example
She **blazed a trail** in renewable energy research.
idiom

burst out laughing

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

be in the driver’s seat

Meaning
to be in control of a situation
Example
After the merger, our company is **in the driver’s seat**.
idiom

blast off

Meaning
to take off or start with great energy or enthusiasm
Example
The project is ready to **blast off** next week.
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

burning the candle at both ends

Meaning
working very hard without enough rest
Example
He is **burning the candle at both ends** with two jobs.
idiom

back up

Meaning
to support or to make a copy of important data
Example
Can you **back up** my explanation during the meeting?
idiom

blow someone away

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

birds of a feather flock together

Meaning
People who have similar interests or personalities tend to be friends.
Example
John and Mike are always together; well, **birds of a feather flock together**.
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

bat around

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

burn one's bridges

Meaning
to destroy relationships or opportunities that cannot be restored
Example
He **burned his bridges** when he insulted his boss.
idiom

blue chip

Meaning
a well-established and financially sound company
Example
He prefers to invest in **blue chip** stocks for stability.
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

blind date

Meaning
a romantic meeting between two people who have never met before
Example
She met her boyfriend on a **blind date**.
idiom

bubbling with joy

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

be all smiles

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

blow a fuse

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

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

bend the rules

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

brush off

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

black sheep

Meaning
a person who is considered a disgrace to a group or family
Example
He is the **black sheep** of the family.
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

bosom friend

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

bored to death

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

bargain for

Meaning
to expect or plan for something
Example
The workload was more than we **bargained for**.
idiom

beginner’s luck

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

brainstorm

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

brighten someone's day

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

blow the whistle

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

break down

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

back into

Meaning
to move backwards into something unintentionally
Example
I nearly **backed into** the recycling bin while parking.
idiom

beg to differ

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

bend the law

Meaning
to use the law in a dishonest way to achieve something
Example
Some lawyers know how to **bend the law** to help their clients.
idiom

breathe in

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

burst with energy

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

butterflies in the stomach

Meaning
feeling nervous or excited
Example
I always get **butterflies in my stomach** before a date.
idiom

black sheep of the family

Meaning
a family member who is considered a disgrace
Example
He became the **black sheep of the family** after his bad decisions.
idiom

break the silence

Meaning
to start talking after a period of silence
Example
He was the one to **break the silence** after the awkward pause.
idiom

bang for your buck

Meaning
value for the money spent; a good deal
Example
This insurance plan gives you the best **bang for your buck**.
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

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

beat the clock

Meaning
to finish something before the deadline
Example
We managed to **beat the clock** and submit the report early.
idiom

Big fish in a small pond

Meaning
An important person in a small organization or area.
Example
He prefers being a **big fish in a small pond** rather than competing globally.
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

blow out of the water

Meaning
to surprise or defeat completely
Example
Their performance **blew us out of the water**.
idiom

by the book

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

break the clutter

Meaning
to stand out in a crowded or competitive market
Example
A good tagline can help a brand **break the clutter**.
idiom

blur the lines

Meaning
to make the difference between two things less clear or distinct
Example
AI-generated art often **blurs the lines** between human creativity and machine output.
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

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

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

bottom out

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

birds of a feather

Meaning
people with similar interests or characteristics
Example
Tom and Jerry are always together—**birds of a feather**.
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

burn the midnight oil

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

breakthrough

Meaning
a significant or sudden development or discovery; an important achievement
Example
The scientist made a major **breakthrough** in his research on cancer treatment.
idiom

back to the drawing board

Meaning
to start over again after a failure
Example
Our proposal was rejected, so it's **back to the drawing board**.
idiom

book smart

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

bring to life

Meaning
to make something more interesting or realistic
Example
The artist’s use of color really **brought the painting to life**.
idiom

big brother

Meaning
an older brother or someone who behaves protectively
Example
Mark acts like a **big brother** to everyone in the neighborhood.
idiom

brand ambassador

Meaning
a person who promotes a brand through personal influence
Example
They hired a celebrity as their **brand ambassador**.
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

break free

Meaning
to escape from control or restriction
Example
She wanted to **break free** from her routine life.
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

build bridges

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

brighten up

Meaning
to become happier or more cheerful
Example
Her face **brightened up** when she saw her friends.
idiom

behind bars

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

blow your mind

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

bring up

Meaning
to raise or care for a child until adulthood
Example
She was **brought up** by her grandparents.
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

bounce around

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

back out

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

Be all ears

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

blood, sweat, and tears

Meaning
great effort and hard work
Example
Building this company took a lot of **blood, sweat, and tears**.
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

burn rubber

Meaning
to drive very fast
Example
They **burned rubber** as they raced to the hospital.
idiom

break down in tears

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

boot up

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

big picture

Meaning
the overall perspective or situation
Example
Producers always try to see the **big picture** before making changes.
idiom

Bury yourself in books

Meaning
To spend all your time studying
Example
He **buried himself in books** before the finals.