reinforcement learning
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idiom

reinforcement learning

Meaning
a type of machine learning where an agent learns to make decisions by performing actions and receiving feedback
Example
In **reinforcement learning**, the model improves over time as it learns from trial and error.
idiom

carry the weight of the world

Meaning
to take on a lot of responsibility
Example
John felt like he had to **carry the weight of the world** on his shoulders at work.
idiom

put it in a nutshell

Meaning
to explain something in a very clear and concise way
Example
To **put it in a nutshell**, the project was a success.
idiom

pivot

Meaning
to change direction or strategy in response to market feedback or failure
Example
After the initial product launch failed, the team decided to **pivot** to a new business model.
idiom

learning on the fly

Meaning
to adapt and learn quickly without prior preparation
Example
AI systems are **learning on the fly** from user data.
idiom

race to the bottom

Meaning
a situation where companies or countries lower standards to remain competitive
Example
Reducing wages to attract investors can create a **race to the bottom**.
idiom

burst of creativity

Meaning
a sudden outpouring of creative ideas
Example
She had a **burst of creativity** and finished the design in one go.
idiom

small potatoes

Meaning
something insignificant or of little value
Example
Compared to oil exports, textile trade is **small potatoes**.
idiom

eat your heart out

Meaning
to suffer silently from jealousy or longing
Example
He’s been **eating his heart out** since his ex got engaged.
idiom

sit at someone’s feet

Meaning
to learn from someone who is very knowledgeable
Example
Many students wanted to **sit at his feet** and learn from him.
idiom

not the sharpest tool in the shed

Meaning
not very intelligent
Example
He’s kind but **not the sharpest tool in the shed**.
idiom

a kingmaker

Meaning
someone who has influence in the selection or appointment of a leader
Example
The senator has become **a kingmaker** in the current presidential race.
idiom

lay your cards on the table

Meaning
to be open and honest about your intentions or plans
Example
Let’s **lay our cards on the table** and discuss this honestly.
idiom

get your act together

Meaning
start working efficiently or properly
Example
You need to **get your act together** if you want to meet the deadline.
idiom

truth will out

Meaning
the truth will eventually be revealed
Example
You can’t hide it forever; **truth will out**.
idiom

draw down

Meaning
to reduce the level or amount of something
Example
We plan to **draw down** inventory over the summer.
idiom

a peaceful resolution

Meaning
a solution that resolves a conflict calmly
Example
They reached **a peaceful resolution** after several discussions.
idiom

call to action

Meaning
a prompt that encourages an immediate response from an audience
Example
Your ad must include a strong **call to action**.
idiom

footloose and fancy-free

Meaning
free to do whatever you want; without commitments
Example
He loves being **footloose and fancy-free** after retirement.
idiom

chapter and verse

Meaning
to provide full and exact details about something
Example
She can quote **chapter and verse** to support her argument.
idiom

up against the wall

Meaning
to be in a very difficult or desperate situation
Example
The company is **up against the wall** financially after the recent losses.
idiom

go to battle

Meaning
to prepare to fight or compete strongly
Example
Our team is ready to **go to battle** in the finals.
idiom

catch the train

Meaning
to be on time for a train or event
Example
Hurry up or you’ll not **catch the train**!
idiom

it's not rocket science

Meaning
it's not difficult to understand
Example
You can learn to cook, **it's not rocket science**.
idiom

Throw down the gauntlet

Meaning
To challenge someone to fight or compete.
Example
He **threw down the gauntlet** by questioning his opponent’s honesty.
idiom

cut back on

Meaning
to reduce the amount of something
Example
We’re trying to **cut back on** eating out during the week.
idiom

to be honest

Meaning
used when expressing a sincere or frank opinion
Example
**To be honest**, I didn’t like the food.
idiom

ace the test

Meaning
to perform extremely well on an exam or task
Example
She **aced the test** and got the highest score.
idiom

disruptive innovation

Meaning
an innovation that significantly alters or revolutionizes an existing market or industry
Example
The smartphone was a **disruptive innovation** that changed the way we communicate.
idiom

in so many words

Meaning
to say something clearly and directly
Example
He didn’t say it **in so many words**, but I knew what he meant.
idiom

Don Quixote

Meaning
A person who is overly idealistic, unrealistic, or impractical.
Example
He’s being **a Don Quixote**, chasing impossible dreams.
idiom

as strong as an ox

Meaning
very strong and powerful
Example
He’s **as strong as an ox** after years of training.
idiom

scoop the news

Meaning
to be the first to report an important piece of news
Example
The local newspaper **scooped the news** about the mayor's resignation.
idiom

jump out of your skin

Meaning
to be extremely surprised or frightened
Example
I nearly **jumped out of my skin** when I saw the snake.
idiom

hold yourself accountable

Meaning
to take personal responsibility for your actions
Example
You must always **hold yourself accountable** for your actions.
idiom

Spread too thin

Meaning
To try to do too many things at once, leaving no energy for any.
Example
She’s **spread too thin** between her job, family, and studies.
idiom

come a long way

Meaning
to make a lot of progress or improvement
Example
She has **come a long way** since she started her career.
idiom

playing the long game

Meaning
making decisions or taking actions with long-term objectives in mind
Example
The president is **playing the long game** by focusing on long-term foreign policy.
idiom

get a pat on the back

Meaning
to receive praise or recognition for something good
Example
He **got a pat on the back** for completing the project early.
idiom

to bite the bullet

Meaning
to make a difficult decision or endure something unpleasant
Example
I didn't want to go to the doctor, but I had to **bite the bullet**.
idiom

give someone the creeps

Meaning
to make someone feel uncomfortable or afraid
Example
Old abandoned houses **give me the creeps**.
idiom

empty nest

Meaning
a home where the children have grown up and left
Example
After her kids moved out, she felt the **empty nest** syndrome.
idiom

pair up

Meaning
to form groups of two
Example
Students should **pair up** before starting the lab activity.
idiom

as thick as thieves

Meaning
To be very close friends who share secrets.
Example
Lisa and Nora are **as thick as thieves** since childhood.
idiom

street smart

Meaning
having practical intelligence and experience, not just book knowledge
Example
He may not have a degree, but he’s very **street smart**.
idiom

the luck of the draw

Meaning
something decided by chance
Example
You can’t choose your team; it’s **the luck of the draw**.
idiom

have confidence in

Meaning
to trust or believe in someone’s ability
Example
I **have confidence in** your judgment.
idiom

to see the silver lining

Meaning
to find something positive in a negative situation
Example
She always tries to **see the silver lining** even in the most challenging situations.
idiom

zero in on

Meaning
to direct all your attention and efforts toward one thing
Example
The team needs to **zero in on** the main problem before making changes.
idiom

to shoot for the moon

Meaning
to aim for a difficult or ambitious goal
Example
He’s always **shooting for the moon**, trying to achieve impossible goals.
idiom

own your mistakes

Meaning
to take responsibility for what you did wrong.
Example
It’s important to **own your mistakes** and learn from them.
idiom

hit a home run

Meaning
to achieve great success
Example
The new marketing campaign really **hit a home run** with its audience.
idiom

blow off steam

Meaning
to express anger or frustration so that you feel better
Example
He went for a run to **blow off steam** after the argument.
idiom

join up with

Meaning
to become part of a group or team
Example
She’ll **join up with** the outreach crew tomorrow.
idiom

hit the books

Meaning
to study very hard
Example
I can’t go out tonight; I need to **hit the books** for my exam.
idiom

political circus

Meaning
a situation where politics becomes chaotic and theatrical
Example
The election debates turned into a **political circus**.
idiom

minimum viable product

Meaning
the simplest version of a product that can be released to test an idea
Example
The team launched an **MVP (minimum viable product)** to gather user feedback.
idiom

itching to do something

Meaning
to be eager or impatient to do something
Example
He’s **itching to start** his new project.
idiom

in the loop

Meaning
to be informed about something
Example
Please keep me **in the loop** about the project updates.
idiom

brighten someone's day

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

go behind someone’s back

Meaning
to do something secretly or deceitfully against someone
Example
She **went behind my back** and told the manager everything.
idiom

a rolling stone gathers no moss

Meaning
a person who keeps moving and exploring avoids boredom or stagnation
Example
**A rolling stone gathers no moss**, and he’s always on the move.
idiom

give someone a warm welcome

Meaning
to greet someone very kindly and enthusiastically
Example
They **gave us a warm welcome** when we arrived.
idiom

the show must go on

Meaning
to continue despite difficulties
Example
Even after the power went out, the actors knew **the show must go on**.
idiom

read between the lines

Meaning
to understand the hidden meaning behind something
Example
She said everything was fine, but if you **read between the lines**, you could tell she was upset.
idiom

make a fuss

Meaning
to complain or get angry about something small or unimportant
Example
She always **makes a fuss** about her food being cold.
idiom

steal the spotlight

Meaning
to get all the attention, often taking it away from someone else
Example
The little girl **stole the spotlight** at the wedding with her adorable dance.
idiom

agree to disagree

Meaning
to accept that you have different opinions and stop arguing
Example
We’ll just **agree to disagree** on this topic.
idiom

on the beat

Meaning
a police officer's regular patrol route
Example
The officer was **on the beat** when he spotted the suspect.
idiom

do someone a favor

Meaning
to help someone out of kindness
Example
Could you **do me a favor** and close the window?
idiom

warm-hearted

Meaning
kind and sympathetic
Example
She is a **warm-hearted** person who cares for everyone.
idiom

pick yourself up

Meaning
to recover from a failure or setback
Example
She failed the first time, but she **picked herself up** and tried again.
idiom

Hold it together with duct tape

Meaning
To keep something functioning despite poor condition or limited resources.
Example
The old car is barely running—we’re **holding it together with duct tape**.
idiom

hand in glove

Meaning
working closely and harmoniously together
Example
The two partners work **hand in glove** to achieve their goals.
idiom

blueprint for success

Meaning
a detailed plan for achieving success
Example
Strong teamwork is the **blueprint for success** in this project.
idiom

code of ethics

Meaning
a set of moral principles guiding AI development or usage
Example
Developers must follow a strict **code of ethics** in AI research.
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

full of praise

Meaning
to speak very positively about someone or something
Example
Everyone was **full of praise** for her presentation.
idiom

break new ground

Meaning
to do something innovative or pioneering
Example
Their research **broke new ground** in medical science.
idiom

make a mark

Meaning
to have a noticeable impact or influence
Example
Her speech at the conference really **made a mark** on the audience.
idiom

Caesar’s wife must be above suspicion

Meaning
A person in a position of trust must be beyond any hint of wrongdoing.
Example
A judge should remember that **Caesar’s wife must be above suspicion**.
idiom

get a kick out of

Meaning
to enjoy something very much
Example
He really **gets a kick out of** playing video games with his kids.
idiom

step up one’s game

Meaning
to improve one’s effort or performance
Example
If you want that promotion, you need to **step up your game**.
idiom

put your heart and soul into something

Meaning
to do something with great effort and passion
Example
She **put her heart and soul into** her new business.
idiom

rob Peter to pay Paul

Meaning
to take money from one part of something in order to pay for something else
Example
They're always **robbing Peter to pay Paul**, moving money around without making any progress.
idiom

full steam ahead

Meaning
to move forward with great energy or speed
Example
The team is going **full steam ahead** with the new logistics plan.
idiom

The best things in life are worth waiting for

Meaning
The most valuable things take time and effort to achieve.
Example
Remember, **the best things in life are worth waiting for**.
idiom

stage fright

Meaning
nervousness before performing in front of an audience
Example
Even experienced actors sometimes get **stage fright**.
idiom

keep someone's secret

Meaning
to not tell others what someone has told you in confidence
Example
You can trust me—I’ll **keep your secret**.
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

much obliged

Meaning
used to express thanks politely
Example
I'm **much obliged** for your help today.
idiom

tack on

Meaning
to add something extra, especially at the end
Example
They **tacked on** a brief Q&A after the session.
idiom

get away with murder

Meaning
to do something very bad without being punished for it
Example
He’s so spoiled that he can **get away with murder** at home.
idiom

make a name for oneself

Meaning
to become well-known or famous for something
Example
He **made a name for himself** as a creative designer.
idiom

blow someone's mind

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

by leaps and bounds

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

set the bar high

Meaning
to establish high standards or expectations
Example
Her achievements have **set the bar high** for future leaders.
idiom

in the same frame

Meaning
having a shared perspective or understanding
Example
Before we start, we need to make sure everyone is **in the same frame**.
idiom

I owe you one

Meaning
used to express that you are thankful and plan to return the favor
Example
Thanks for helping me move, **I owe you one**!
idiom

wrap your head around something

Meaning
to succeed in understanding something difficult or strange
Example
I'm still trying to **wrap my head around** this new software.
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

online presence

Meaning
the existence and activity of a person or business on the internet
Example
A strong **online presence** is essential for digital marketing.
idiom

piece together

Meaning
to understand something by combining small details
Example
The detective tried to **piece together** what had happened that night.
idiom

a cut above

Meaning
better than others; superior in quality or ability
Example
Her work is **a cut above** the rest.
idiom

lucky break

Meaning
a sudden opportunity or good fortune
Example
Getting that job was a **lucky break** for her.
idiom

throw a curveball

Meaning
to surprise someone with something unexpected
Example
The new policy really **threw us a curveball**.
idiom

make peace with

Meaning
to end conflict and become friendly again
Example
She finally **made peace with** her sister after years of misunderstanding.
idiom

motivate the team

Meaning
to encourage and inspire your team to work harder and achieve goals
Example
As a manager, one of my primary goals is to **motivate the team** to reach their highest potential.
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

break the deadlock

Meaning
to end a situation in which progress is not possible
Example
They finally managed to **break the deadlock** through discussion.
idiom

cutting edge

Meaning
the most advanced or innovative
Example
Our company is working on **cutting edge** AI technology.
idiom

hit the dirt

Meaning
to go to ground; to take cover or hide
Example
Wild animals often **hit the dirt** when humans approach.
idiom

teach by example

Meaning
to show others how to do something by demonstrating it yourself
Example
Good mentors always **teach by example**, showing the way with their actions.
idiom

take a gamble

Meaning
to take a risk in the hope of success
Example
She **took a gamble** by quitting her job to travel the world.
idiom

go through a transformation

Meaning
to undergo a significant change or improvement
Example
The company had to **go through a transformation** to survive in the competitive market.
idiom

create buzz

Meaning
to generate excitement and talk about a product or event
Example
The teaser video helped **create buzz** before the product launch.
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

bear in mind

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

A bird in the hand is worth two in the bush

Meaning
It’s better to hold onto something you have than risk losing it by trying to get something better.
Example
I decided to keep the job offer I already have because **a bird in the hand is worth two in the bush**.
idiom

A goal without a plan is just a wish

Meaning
Having a goal without a clear plan makes it unlikely to succeed.
Example
Don’t just dream, remember **a goal without a plan is just a wish**.
idiom

in the same orbit

Meaning
to be in agreement or share similar thoughts or goals
Example
We’re both **in the same orbit** when it comes to our project’s goals.