blind experiment
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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

batten down

Meaning
to secure something tightly in preparation for trouble
Example
Residents will **batten down** their windows before the storm.
idiom

by leaps and bounds

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

brighten up your day

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

beat the clock

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

burn rubber

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

break the bank

Meaning
to cost too much; to use up all your money
Example
Buying that car will **break the bank**.
idiom

brush past

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

bail on

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

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

Bet the farm

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

burst of inspiration

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

behind the firewall

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

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

beyond belief

Meaning
too surprising or shocking to believe
Example
His recovery was **beyond belief**.
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

boil over

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

back to square one

Meaning
to start over again
Example
After the computer crashed, I had to go **back to square one** with my report.
idiom

build bridges

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

break the mold

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

brainchild of

Meaning
an idea or invention created by someone
Example
ChatGPT is the **brainchild of** OpenAI researchers.
idiom

busy as a bee

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

break the law

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

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

bridge the gap

Meaning
to reduce differences or improve relations
Example
The treaty aims to **bridge the gap** between the two sides.
idiom

brighten someone's day

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

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

Born in the barn

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

bear the responsibility

Meaning
to take on the duty of something
Example
She was willing to **bear the responsibility** for the new project.
idiom

bosom friend

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

Burst with gratitude

Meaning
To feel extremely thankful.
Example
She was **bursting with gratitude** after receiving help.
idiom

back and forth

Meaning
to change opinions or decisions repeatedly
Example
We’ve been going **back and forth** about this issue for weeks.
idiom

Break the news

Meaning
To tell someone important or bad news.
Example
He didn’t know how to **break the news** to his parents.
idiom

beyond reasonable doubt

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

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

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

be comfortable in your own skin

Meaning
to be confident and happy with who you are
Example
It took years for her to **be comfortable in her own skin**.
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

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

bull market

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

Break like the wind

Meaning
To move or pass quickly; sometimes used humorously.
Example
He ran **like the wind** to catch the bus.
idiom

by trial and error

Meaning
learning by experimenting and correcting mistakes
Example
We developed the best method **by trial and error**.
idiom

behind enemy lines

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

butterflies in the stomach

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

big mouth

Meaning
someone who talks too much or reveals secrets
Example
Don’t tell him anything — he’s got a **big mouth**.
idiom

Bide one’s time

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

black and white

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

bloom where you are planted

Meaning
to make the best of the situation you are in
Example
Even in a small town, she managed to **bloom where she was planted**.
idiom

beginner’s luck

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

blackout

Meaning
to lose consciousness temporarily
Example
He suddenly **blacked out** during the match.
idiom

behind bars

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

blow one’s top

Meaning
to suddenly become very angry
Example
He **blew his top** when he saw the mistake.
idiom

break a leg

Meaning
to wish someone good luck in a performance
Example
Before the play started, everyone told her to **break a leg**.
idiom

break away

Meaning
to separate from a group or routine
Example
She plans to **break away** from the commute by working remotely twice a week.
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

big picture

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

Blue ocean strategy

Meaning
Creating a new market space with little or no competition.
Example
Their **blue ocean strategy** helped them dominate a new market.
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

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

beg to differ

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

bend the rules

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

back into

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

blossom into something

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

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

burst out laughing

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

brainstorm ideas

Meaning
to think of new and creative ideas
Example
The class gathered to **brainstorm ideas** for the science project.
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

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

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 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

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

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

break the chains

Meaning
to free oneself from restrictions or limitations
Example
She wanted to **break the chains** of social expectations.
idiom

Band together

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

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

break into

Meaning
to enter a new field or profession successfully
Example
She managed to **break into** the film industry last year.
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

beat someone to the punch

Meaning
to do something before someone else does
Example
He **beat me to the punch** by applying for the job first.
idiom

blow away

Meaning
to impress or surprise someone very much
Example
Her singing **blew me away**.
idiom

burst with joy

Meaning
to be so happy that it’s hard to contain emotions
Example
The parents **burst with joy** when their child won the prize.
idiom

beat the rap

Meaning
to escape punishment or avoid being convicted
Example
He managed to **beat the rap** thanks to a clever lawyer.
idiom

branch off

Meaning
to separate from a main route or line of development
Example
The hiking path will **branch off** near the lake.
idiom

backdoor entry

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

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

bring up

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

by and large

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

Build bridges, not walls

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

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

book smart

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

backroom deal

Meaning
a secret agreement made by powerful people
Example
The media exposed the **backroom deal** between the two parties.
idiom

burned out

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

black and blue

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

break down

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

burst into tears

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

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

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

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

by the book

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

block off

Meaning
to close an area so people cannot enter
Example
Police **blocked off** the street after the accident.
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.