black box
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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

brand ambassador

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

balance out trade

Meaning
to make exports and imports more equal in value
Example
The government aims to **balance out trade** by promoting local industries.
phrasal-verb

boot into

Meaning
to start a computer or device and load its operating system
Example
When I **boot into** Linux, the system loads all my development tools automatically.
phrasal-verb

build relations with

Meaning
to develop a friendly or cooperative connection with others
Example
We aim to **build relations with** investors from different regions.
phrasal-verb

bug out

Meaning
to malfunction or behave unexpectedly because of a bug
Example
The new update made the camera app **bug out** constantly.
phrasal-verb

bridge through education

Meaning
to connect cultures by learning and teaching from each other
Example
Schools help **bridge through education** by hosting cultural exchange programs.
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

burning with envy

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

blend with

Meaning
to mix harmoniously with something; to integrate smoothly
Example
Immigrants often try to **blend with** the local culture while keeping their traditions alive.
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.
phrasal-verb

build credibility with

Meaning
to earn trust and respect from others
Example
It takes time to **build credibility with** your colleagues.
idiom

be in high spirits

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

build from

Meaning
to use failure or mistakes as a foundation for future improvement
Example
Even though the project failed, we can still **build from** the experience.
idiom

break one's word

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

better luck next time

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

bite your tongue

Meaning
to stop yourself from saying something you want to say
Example
I had to **bite my tongue** when my boss took credit for my work.
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

blow hot and cold

Meaning
to keep changing your attitude or mood
Example
He’s **blowing hot and cold** about the new project.
phrasal-verb

bond with

Meaning
to develop a close emotional connection with someone
Example
Parents should spend time to **bond with** their children.
idiom

book smart

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

blow your top

Meaning
to become very angry
Example
He **blew his top** when he found out about the mistake.
phrasal-verb

back others up

Meaning
to support or defend other people’s actions or opinions
Example
A responsible leader always **backs others up** when they take initiative.
phrasal-verb

build alliances

Meaning
to form cooperative relationships between groups or nations
Example
Countries must **build alliances** to face economic crises together.
idiom

broken-hearted

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

build up stamina

Meaning
to increase strength or endurance gradually
Example
Running regularly helps to **build up stamina**.
phrasal-verb

build around customer needs

Meaning
to develop products or services based on user demands
Example
Successful startups **build around customer needs** to ensure satisfaction.
phrasal-verb

blunder into

Meaning
to enter or do something by mistake
Example
He **blundered into** the wrong meeting room.
phrasal-verb

beam with

Meaning
to smile widely because of happiness or pride
Example
He **beamed with** pride when his daughter won the competition.
phrasal-verb

bring together

Meaning
to unite people for a purpose
Example
Family events **bring together** everyone and strengthen bonds.
phrasal-verb

build credibility

Meaning
to earn trust and respect through consistent performance
Example
Delivering results regularly helps professionals **build credibility**.
idiom

Bear with me

Meaning
Be patient with me.
Example
**Bear with me** while I fix this problem.
phrasal-verb

bring in investors

Meaning
to attract people who will invest money
Example
The startup managed to **bring in** several new investors this year.
phrasal-verb

burst into laughter

Meaning
to suddenly start laughing loudly
Example
They **burst into laughter** after hearing the funny story.
phrasal-verb

back away

Meaning
to move backward from something frightening
Example
They **backed away** from the angry dog.
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

bond of friendship

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

break the mold

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

burn off

Meaning
to use up energy or fat by exercising
Example
I go jogging every morning to **burn off** extra calories.
phrasal-verb

bring up interest rates

Meaning
to increase the rate charged on loans
Example
Central banks often **bring up interest rates** to control inflation.
idiom

brighten someone's day

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

bottle under

Meaning
to collapse mentally or emotionally due to pressure
Example
He finally **bottled under** the pressure of constant deadlines.
idiom

back into

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

burst with ideas

Meaning
to have many creative ideas at once
Example
After watching the film, he was **bursting with ideas** for his next project.
phrasal-verb

bubble with

Meaning
to be full of excitement, happiness, or energy
Example
The kids were **bubbling with** excitement at the party.
phrasal-verb

bring out the best in

Meaning
to help someone perform to their highest potential
Example
A great leader can **bring out the best in** their team members.
phrasal-verb

back down on

Meaning
to withdraw or concede a position after opposition
Example
The government refused to **back down on** its stance regarding foreign aid.
idiom

brush up on

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

bridge across

Meaning
to overcome divisions between groups or nations
Example
Diplomats **bridge across** cultural and political gaps.
phrasal-verb

blend across cultures

Meaning
to combine or mix aspects from different cultural backgrounds
Example
Modern cuisine often **blends across cultures** to create new flavors.
phrasal-verb

burst into song

Meaning
to start singing suddenly out of happiness
Example
He **burst into song** when he got the good news.
phrasal-verb

build towards

Meaning
to develop something gradually to reach a goal
Example
He is slowly **building towards** his dream project.
phrasal-verb

bottle up

Meaning
to hide or control your emotions instead of expressing them
Example
He tends to **bottle up** his anger instead of talking about it.
idiom

bull market

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

brick by brick

Meaning
to achieve something gradually and steadily
Example
He built his business **brick by brick**.
phrasal-verb

bottle down

Meaning
to suppress or hide emotions deeply inside
Example
He tends to **bottle down** his anger instead of talking about it.
phrasal-verb

bring on board

Meaning
to include or involve someone in a team or project
Example
We want to **bring on board** a partner who shares our vision.
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

block out

Meaning
to ignore distractions or unpleasant thoughts
Example
She tried to **block out** the noise and continue working.
phrasal-verb

bring up to date

Meaning
to give someone the latest information about something
Example
Can you **bring me up to date** on the latest news?
phrasal-verb

beat yourself up

Meaning
to blame or criticize yourself too much for something
Example
Don't **beat yourself up** over one mistake.
phrasal-verb

bring back

Meaning
to reintroduce or restore something that was removed
Example
The city plans to **bring back** tree-planting programs this year.
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

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

brand loyalty

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

build on achievements

Meaning
to use past successes as a foundation for further progress
Example
He aims to **build on achievements** and reach new goals this year.
phrasal-verb

burst out

Meaning
to suddenly start laughing or crying due to surprise or emotion
Example
She **burst out** laughing when she saw his funny costume.
phrasal-verb

build ties with

Meaning
to establish or strengthen relationships with another country or group
Example
The new government aims to **build ties with** neighboring countries.
phrasal-verb

bounce back after

Meaning
to recover from failure or setback quickly
Example
He managed to **bounce back after** losing his job.
phrasal-verb

bottle emotions

Meaning
to keep emotions hidden instead of expressing them
Example
She tends to **bottle emotions** instead of talking about them.
phrasal-verb

bring together nations

Meaning
to unite countries for a common purpose or goal
Example
The conference helped **bring together nations** for global development.
phrasal-verb

break out

Meaning
to start suddenly (for war, fire, disease, etc.)
Example
A fire **broke out** in the kitchen last night.
phrasal-verb

butt in

Meaning
to interrupt or give an opinion when not invited
Example
I wish you wouldn’t **butt in** when we are discussing something serious.
phrasal-verb

branch out creatively

Meaning
to expand one’s work into more creative fields or approaches
Example
Our agency has started to **branch out creatively** with digital storytelling.
phrasal-verb

bounce ahead with optimism

Meaning
to continue progressing with a positive attitude after difficulties
Example
After every failure, she chooses to **bounce ahead with optimism**.
idiom

behind enemy lines

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

break up

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

blaze a trail

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

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.
phrasal-verb

bring partners on board

Meaning
to involve or include other organizations or stakeholders
Example
The initiative **brought partners on board** to strengthen cooperation.
phrasal-verb

build confidence through practice

Meaning
to become more self-assured by repeated practice
Example
You can **build confidence through practice** in public speaking.
phrasal-verb

bring in on

Meaning
to include someone in a discussion or project
Example
Let’s **bring John in on** this design review meeting.
phrasal-verb

break apart

Meaning
to separate something into smaller parts for examination
Example
Let's **break apart** the argument to understand its main components.
phrasal-verb

breathe in calmness

Meaning
to take deep breaths to feel relaxed and peaceful
Example
Take a moment to **breathe in calmness** and release your worries.
idiom

by trial and error

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

be in the limelight

Meaning
to be the center of attention
Example
The actor was **in the limelight** after his award win.
phrasal-verb

bridge across languages

Meaning
to overcome language differences while communicating
Example
Technology helps us **bridge across languages** through translation tools.
phrasal-verb

bring about change

Meaning
to cause something to happen; to make change occur
Example
A good leader can bring about change in any organization.
phrasal-verb

build bridges with

Meaning
to improve relationships and promote understanding between people or countries
Example
The summit aimed to **build bridges with** neighboring countries.
phrasal-verb

branch up into management

Meaning
to progress into a higher level of management or leadership
Example
After years of experience, he finally **branched up into management**.
idiom

blow out of the water

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

bring down trade barriers

Meaning
to reduce or remove obstacles that limit international trade
Example
Efforts are being made to **bring down trade barriers** between neighboring countries.
idiom

bring to the table

Meaning
to contribute something useful or valuable
Example
Each team member **brings something unique to the table**.
idiom

breach of security

Meaning
a violation or failure to adhere to security protocols
Example
The company faced a significant **breach of security** last year.
phrasal-verb

bounce ideas around

Meaning
to share and discuss ideas with others
Example
We often **bounce ideas around** during our weekly meetings.
idiom

bridge the gap

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

build up energy

Meaning
to increase your strength or motivation over time
Example
Regular rest helps you **build up energy** for the next day.
idiom

blow out of proportion

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

bounce within

Meaning
to manage emotions internally without expressing them outwardly
Example
He tends to **bounce within** instead of sharing his struggles.
phrasal-verb

break away from

Meaning
to stop being part of something or someone’s influence
Example
He wants to **break away from** his parents’ control.
phrasal-verb

bring about

Meaning
to cause something to happen or make a change
Example
Educational reforms can **bring about** long-term social change.
idiom

beat oneself up

Meaning
to blame yourself too much for something
Example
Don’t **beat yourself up** over one mistake.
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

be thick as thieves

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

break out crying

Meaning
to suddenly start crying
Example
She **broke out crying** when she heard the sad news.
phrasal-verb

build bridges between

Meaning
to improve relationships or understanding between groups
Example
The project aims to **build bridges between** rural and urban youth.
phrasal-verb

build upon yourself

Meaning
to improve or develop your skills, knowledge, or character based on what you already have
Example
You should always try to **build upon yourself** and become a better version of who you were yesterday.
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

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

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.
phrasal-verb

be there for

Meaning
to be available to help or comfort someone in need
Example
She promised to always **be there for** her sister no matter what.
phrasal-verb

break through bias

Meaning
to overcome prejudices and unfair judgments
Example
Training programs help employees **break through bias** in hiring decisions.
phrasal-verb

break into profits

Meaning
to start making profits after a period of losses or investment
Example
After three years, the startup finally **broke into profits**.
phrasal-verb

break into exports

Meaning
to start selling goods or services to foreign markets
Example
Many local companies are trying to **break into exports** to expand growth.
phrasal-verb

be torn between

Meaning
to have difficulty choosing between two options
Example
I’m **torn between** taking the job and staying at home.
idiom

beyond words

Meaning
too great or extreme to be described in words
Example
Her kindness was **beyond words**.
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

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**.
phrasal-verb

break down into

Meaning
to divide something into smaller parts
Example
Let's **break down** the project **into** smaller tasks.