on air
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idiom

on air

Meaning
broadcasting live; being aired on television or radio
Example
The radio show will be **on air** from 7 to 9 PM.
idiom

on top of the world

Meaning
to feel extremely happy and successful
Example
After winning the award, he felt **on top of the world**.
idiom

on the cutting edge

Meaning
at the forefront of innovation or technology
Example
The laboratory is **on the cutting edge** of artificial intelligence research.
phrasal-verb

open doors to

Meaning
to create opportunities for cultural connection or understanding
Example
Cultural exchange programs **open doors to** meaningful friendships worldwide.
idiom

on the stump

Meaning
to campaign for political office, especially by giving speeches in public
Example
The candidate has been **on the stump** for weeks, rallying support across the country.
idiom

opt out of

Meaning
to choose not to participate in something
Example
You can **opt out of** the newsletter at any time.
idiom

Out of focus

Meaning
Not clear or not paying attention
Example
He looked tired and completely **out of focus** during the meeting.
idiom

on the horizon

Meaning
likely to happen soon
Example
A new product launch is **on the horizon**.
idiom

on the fence

Meaning
undecided or unsure about something
Example
She’s still **on the fence** about moving abroad.
phrasal-verb

owe to

Meaning
to feel you should thank someone for something
Example
I **owe my success to** my parents’ support.
idiom

out of the frying pan into the fire

Meaning
to go from a bad situation to a worse one
Example
Leaving that job was like jumping **out of the frying pan into the fire**.
idiom

off the cuff

Meaning
to speak or perform without preparation
Example
He gave an **off the cuff** remark that impressed everyone.
phrasal-verb

open up to joy

Meaning
to allow yourself to feel happiness and positivity
Example
When you **open up to joy**, life becomes brighter.
phrasal-verb

open up with

Meaning
to start a conversation by being honest or expressive about feelings
Example
He chose to **open up with** a personal story to make others feel comfortable.
idiom

open and shut case

Meaning
a case that is easily decided or obvious
Example
It was an **open and shut case** with clear evidence.
idiom

over it

Meaning
no longer interested or affected by something
Example
I'm totally **over it** now.
idiom

old buddy old pal

Meaning
An affectionate way to refer to a longtime friend.
Example
Hey **old buddy old pal**, long time no see!
idiom

off the wall

Meaning
unusual or unconventional
Example
His ideas are often **off the wall**, but they sometimes work.
idiom

Out of curiosity

Meaning
Because of a desire to know or learn something.
Example
I asked him **out of curiosity**, not to interfere.
idiom

off the beaten path

Meaning
doing something unusual or original
Example
Her ideas are always **off the beaten path**.
idiom

own up

Meaning
to admit or confess to something.
Example
He finally **owned up** to breaking the vase.
phrasal-verb

open yourself emotionally

Meaning
to allow yourself to feel and express emotions freely
Example
It's not easy to **open yourself emotionally** after being hurt.
idiom

Out of one’s depth

Meaning
To be in a situation that is too difficult to understand or deal with.
Example
I felt **out of my depth** in that technical discussion.
phrasal-verb

open out of yourself

Meaning
to express your true feelings freely; to become emotionally available
Example
It's healthy to **open out of yourself** when you're feeling overwhelmed.
idiom

over the moon

Meaning
extremely pleased or happy
Example
She was **over the moon** when she won the prize.
idiom

old flame

Meaning
a person one had a romantic relationship with in the past
Example
He met his **old flame** at the reunion.
phrasal-verb

open minds through dialogue

Meaning
to encourage understanding between cultures by communicating openly
Example
The conference aimed to **open minds through dialogue** between communities.
idiom

on good terms with

Meaning
having a friendly and positive relationship with someone
Example
She’s **on good terms with** her ex-husband for the kids’ sake.
idiom

old friends are gold

Meaning
old friends are precious and valuable
Example
I always say, **old friends are gold**.
idiom

Out to pasture

Meaning
To retire someone or something from active use.
Example
The old manager was finally **put out to pasture** last year.
idiom

out of your mind

Meaning
crazy or extremely worried
Example
You must be **out of your mind** to drive that fast!
phrasal-verb

open up to peace

Meaning
to allow yourself to feel inner calmness
Example
Through meditation, I’ve learned to **open up to peace**.
phrasal-verb

open up new perspectives

Meaning
to help someone see things in a new or different way
Example
Traveling to different countries can **open up new perspectives** on life.
idiom

out of the box

Meaning
creative and different from usual ideas
Example
Her **out of the box** marketing strategy increased sales rapidly.
phrasal-verb

open yourself up to

Meaning
to allow yourself to express feelings or be vulnerable
Example
He learned to **open himself up to** love again.
idiom

out of memory

Meaning
unable to think clearly; mentally exhausted
Example
After working all night, I was completely **out of memory**.
phrasal-verb

open up new horizons

Meaning
to create new opportunities for learning or understanding different cultures
Example
Studying abroad can **open up new horizons** for personal and cultural growth.
phrasal-verb

open eyes to

Meaning
to make someone realize or become aware of something important
Example
The film **opened people’s eyes to** the struggles of the poor.
idiom

out of your league

Meaning
too good or powerful to compete with
Example
That company is **out of our league** in terms of resources.
phrasal-verb

open up about kindness

Meaning
to speak honestly about acts of kindness or gratitude
Example
He finally **opened up about kindness** he received from strangers.
phrasal-verb

open with

Meaning
to begin something by doing or saying something specific
Example
He **opened with** a personal story to connect with the audience.
idiom

on cue

Meaning
exactly at the right moment
Example
The dog barked **on cue** when the actor opened the door.
idiom

on one’s last legs

Meaning
to be near the end of one’s strength or life
Example
After the long hike, we were all **on our last legs**.
idiom

one in a million

Meaning
very special or rare
Example
Her kindness makes her **one in a million**.
idiom

Open book

Meaning
Someone who is easy to understand or transparent.
Example
She’s an **open book**; you always know what she’s thinking.
idiom

on the up and up

Meaning
honest; truthful; not involved in any wrongdoing
Example
She’s always been **on the up and up** with me.
idiom

out for blood

Meaning
to be extremely determined to defeat or punish someone
Example
After losing last time, the team is **out for blood** this season.
phrasal-verb

open up space for joy

Meaning
to make emotional room for happiness after pain
Example
After forgiving herself, she began to **open up space for joy**.
idiom

on trial

Meaning
being tested or judged
Example
The company is **on trial** for violating privacy laws.
phrasal-verb

open up opportunities

Meaning
to create new chances or possibilities for learning or connection
Example
Understanding other cultures can **open up opportunities** for collaboration.
idiom

on fire

Meaning
performing very well; full of energy and success
Example
The sales team is **on fire** this month!
idiom

off the top of my head

Meaning
without much thought or preparation
Example
Off the top of my head, I’d say we need more time.
idiom

open Pandora’s box

Meaning
to start something that causes many unforeseen problems
Example
Creating sentient AI could **open Pandora’s box** of ethical challenges.
phrasal-verb

open oneself to

Meaning
to allow oneself to experience or understand new ideas or cultures
Example
Living abroad helped him **open himself to** diverse ways of life.
phrasal-verb

open up to

Meaning
to become more willing to accept or consider new ideas, cultures, or people
Example
As globalization spread, many countries began to **open up to** cultural exchange.
phrasal-verb

open communication with

Meaning
to establish an honest and transparent exchange of thoughts and feelings
Example
Couples should **open communication with** each other to avoid misunderstandings.
idiom

out with the old, in with the new

Meaning
to replace old things or ideas with new ones
Example
It's time for **out with the old, in with the new**.
idiom

off the rails

Meaning
to become uncontrolled or chaotic
Example
After his friend moved away, his life went **off the rails**.
idiom

out of balance

Meaning
to feel mentally or emotionally unstable
Example
Lack of rest can make you feel **out of balance**.
idiom

own up to

Meaning
to admit or confess to something you did wrong
Example
She finally **owned up to** breaking the vase.
phrasal-verb

open yourself up to feedback

Meaning
to be willing to receive and accept constructive criticism
Example
To grow, you need to **open yourself up to feedback** from others.
phrasal-verb

opt against

Meaning
to decide not to choose a particular option
Example
After considering the risks, the company **opted against** the merger.
idiom

overfitting

Meaning
when a model performs well on training data but poorly on unseen data
Example
The model seems to be **overfitting** because it performs well on the training data but poorly on the test set.
idiom

on the bench

Meaning
serving as a judge in a court
Example
She spent 20 years **on the bench** before retiring.
idiom

One step at a time

Meaning
Handle tasks gradually and not all at once.
Example
Don't stress, just take **one step at a time**.
idiom

on the mend

Meaning
recovering from an illness or injury
Example
I was sick last week, but I’m **on the mend** now.
idiom

offbeat

Meaning
unusual; different from the norm
Example
His **offbeat** sense of humor makes everyone laugh.
idiom

on the world stage

Meaning
in the international arena or community
Example
The country's economy is now strong **on the world stage**.
idiom

on the line

Meaning
at risk; in danger of being lost
Example
The company’s reputation is **on the line** after the failed shipment.
phrasal-verb

open up to others

Meaning
to share thoughts and feelings with people from other cultures
Example
When you **open up to others**, you start to understand their perspectives better.
phrasal-verb

open toward

Meaning
to show warmth or acceptance toward someone
Example
He became more **open toward** his classmates.
phrasal-verb

open hearts to

Meaning
to show kindness and acceptance toward people of other cultures
Example
We should **open our hearts to** people who are different from us.
phrasal-verb

offer help

Meaning
to volunteer to assist someone kindly
Example
It’s thoughtful to **offer help** when someone is struggling.
phrasal-verb

open around

Meaning
to act friendly and emotionally available with people nearby
Example
She always **opens around** people she trusts.
idiom

off the hook

Meaning
to be free from blame or responsibility for something
Example
He was **off the hook** after his friend confessed.
idiom

on the ball

Meaning
alert, smart, and quick to react
Example
You need to be **on the ball** to handle this job.
idiom

old friend

Meaning
a friend you have known for a long time
Example
I met an **old friend** from college yesterday.
idiom

open up about

Meaning
to share personal thoughts or feelings
Example
He finally **opened up about** the project stress.
idiom

out of bounds

Meaning
not allowed or beyond acceptable limits
Example
His rude comment was **out of bounds**.
idiom

overnight success

Meaning
a person or thing that becomes successful very quickly
Example
Her first song made her an **overnight success**.
idiom

off to a flying start

Meaning
to begin something, like a journey, very successfully
Example
Our trip was **off to a flying start** with perfect weather.
idiom

out of orbit

Meaning
beyond control; off the usual path
Example
The project went **out of orbit** after the manager left.
idiom

on the right track

Meaning
to be going in the correct direction to achieve success
Example
Your plan sounds great — you’re **on the right track**.
idiom

off the top of one's head

Meaning
to say something without thinking carefully or checking
Example
**Off the top of my head**, I think there are five options.
idiom

over the hill

Meaning
past one's prime; no longer young or at peak performance
Example
Some people think turning forty means you’re **over the hill**, but that’s not true.
idiom

on the right side of the law

Meaning
acting legally; not breaking any laws
Example
He wants to stay **on the right side of the law**.
phrasal-verb

open your mind to

Meaning
to start considering or accepting new ideas or opinions
Example
Studying anthropology can help you **open your mind to** cultural diversity.
idiom

on edge

Meaning
to be nervous, tense, or irritable
Example
She’s been **on edge** since the exam started.
phrasal-verb

open within

Meaning
to connect with your inner emotions and understand yourself better
Example
Yoga helps me to **open within** and feel peaceful.
idiom

out of shape

Meaning
to be unfit or unhealthy due to lack of exercise
Example
I’m so **out of shape** after sitting at a desk all day.
idiom

own it

Meaning
to take pride in who you are or what you do
Example
Don’t be shy about your success—**own it**!
phrasal-verb

open out your heart

Meaning
to share your deep emotions honestly with someone
Example
He finally **opened out his heart** to his best friend.
phrasal-verb

open up to courage

Meaning
to allow bravery and confidence to enter one’s mind
Example
She slowly **opened up to courage** after years of doubt.
phrasal-verb

own the mistake quickly

Meaning
to admit an error right away
Example
I **own the mistake quickly** and explain the fix to my team.
idiom

on the front line

Meaning
directly involved in the most active or dangerous part of something
Example
Doctors were **on the front line** during the pandemic.
phrasal-verb

open yourself to

Meaning
to allow yourself to experience emotions or connections
Example
He finally decided to **open himself to** love again.
idiom

on the gravy train

Meaning
to be in a situation where one makes a lot of money with little effort
Example
He’s been riding **on the gravy train** since he took over the family business.
idiom

on the market

Meaning
available for sale
Example
Their house has been **on the market** for over six months.
idiom

offstage

Meaning
outside of public attention or in private life
Example
He is very different **offstage** than he appears in his shows.
idiom

own up to something

Meaning
to admit or confess responsibility for something
Example
You should **own up to your mistakes** instead of blaming others.
idiom

over the horizon

Meaning
something that is expected to happen soon
Example
A big change in the market may be **over the horizon**.
idiom

open up

Meaning
to become willing to share thoughts or to start operating
Example
He finally **opened up** about the challenges he’s facing.
idiom

open a Pandora’s box

Meaning
to start something that causes many unexpected problems
Example
Unregulated AI development may **open a Pandora’s box** of ethical issues.
idiom

On the record

Meaning
Officially stated and reportable
Example
She made her statement **on the record** during the interview.
phrasal-verb

open channels with

Meaning
to start communication with an individual or group
Example
The company **opened channels with** its overseas partners to share updates.
idiom

on the same page

Meaning
to agree or have the same understanding about something
Example
Before we continue, let’s make sure we’re **on the same page**.
idiom

on the run

Meaning
trying to avoid being caught by the police
Example
The suspect has been **on the run** for three days.
idiom

Out of fashion

Meaning
No longer trendy or popular
Example
Those jeans went **out of fashion** years ago.
idiom

out of the box thinking

Meaning
thinking in a new, innovative, or creative way
Example
The solution requires **out of the box thinking** from all team members.
idiom

off script

Meaning
to deviate from a prepared plan or speech
Example
During the meeting, he went **off script** and made some bold statements.
idiom

Opportunity knocks but once

Meaning
Good opportunities are rare and should be seized when they appear.
Example
Don't miss the chance, **opportunity knocks but once**.
phrasal-verb

open yourself up

Meaning
to make yourself emotionally vulnerable or honest
Example
It’s hard to **open yourself up** after being hurt.
phrasal-verb

open up to challenges

Meaning
to be willing to face or accept difficult situations with confidence
Example
If you want to grow, you must **open up to challenges** instead of avoiding them.
phrasal-verb

open up trade

Meaning
to make international trade easier by removing barriers
Example
The new agreement will **open up trade** between the two nations.
idiom

on the rise

Meaning
increasing or growing in value or number
Example
Tech stocks are **on the rise** this quarter.
idiom

on the cutting block

Meaning
being considered for elimination or discontinuation
Example
Due to budget cuts, several research projects are now **on the cutting block**.
phrasal-verb

open through

Meaning
to access understanding by going through experiences of another culture
Example
You can **open through** empathy to truly understand cultural values.
idiom

on your shoulders

Meaning
used when someone has responsibility for something
Example
The success of this plan rests **on your shoulders**.
idiom

on the dot

Meaning
exactly on time; punctual
Example
The meeting started **on the dot** at 10 a.m.
phrasal-verb

open up over

Meaning
to share personal thoughts because of a particular topic
Example
She finally **opened up over** her anxiety during group coaching.
idiom

Open a can of worms

Meaning
To start something that creates many new problems.
Example
By questioning the policy, he **opened a can of worms**.