human in the loop
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idiom

human in the loop

Meaning
a person actively involved in monitoring or controlling an automated process
Example
Even in AI systems, a **human in the loop** ensures ethical decisions.
idiom

Help each other out

Meaning
To assist one another, especially in difficult situations.
Example
During the project, we all had to **help each other out** to finish on time.
idiom

hit the road

Meaning
to start a journey; to leave a place
Example
We should **hit the road** before sunset to avoid traffic.
idiom

have a Eureka moment

Meaning
to suddenly realize the solution to a problem
Example
I had a **Eureka moment** while fixing the code last night.
idiom

head back to

Meaning
to return to a place
Example
Let’s **head back to** the office after lunch.
idiom

hand in glove

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

Hot off the press

Meaning
Newly printed; very recent news
Example
The report was **hot off the press**, released just minutes ago.
idiom

hang out with

Meaning
to spend time with friends
Example
We usually **hang out with** our classmates after school.
idiom

hang someone out to dry

Meaning
to abandon someone to face blame or trouble alone.
Example
His friends **hung him out to dry** when the teacher asked who cheated.
idiom

hope against hope

Meaning
to continue hoping even when it seems impossible
Example
They **hoped against hope** that their team would win.
idiom

head off

Meaning
to prevent something from happening
Example
Early communication can **head off** most misunderstandings.
idiom

have words with

Meaning
to argue or disagree with someone
Example
She **had words with** her boss about the new schedule.
idiom

hammer home

Meaning
to emphasize something forcefully
Example
The trainer **hammered home** the importance of rest.
idiom

hit the big time

Meaning
to achieve great fame or success
Example
The band **hit the big time** after their first album went viral.
idiom

honesty is the best policy

Meaning
being honest is always the best way to behave
Example
My parents always taught me that **honesty is the best policy**.
idiom

Handle with kid gloves

Meaning
To treat someone very gently or carefully.
Example
They **handled** the new client **with kid gloves**.
idiom

hit the panic button

Meaning
to react too quickly or nervously to a problem
Example
Don’t **hit the panic button** just because the server is down.
idiom

hook the audience

Meaning
to capture and maintain the interest of the audience
Example
You need a strong headline to **hook the audience** immediately.
idiom

Heart full of gratitude

Meaning
Deeply thankful and appreciative.
Example
She spoke with a **heart full of gratitude** for her teachers.
idiom

hear something through the grapevine

Meaning
to hear news or rumors indirectly
Example
I **heard through the grapevine** that they are getting married.
idiom

have the floor

Meaning
to have the right to speak in a discussion
Example
You **have the floor** now; please share your thoughts.
idiom

head out

Meaning
to leave for a destination
Example
Let’s **head out** before the traffic gets heavy.
idiom

high-risk, high-reward

Meaning
situations or decisions that involve a lot of risks but also offer the potential for great rewards
Example
Investing in emerging markets can be **high-risk, high-reward**, but the returns are worth it.
idiom

helicopter parent

Meaning
a parent who is overly involved in their child’s life
Example
She’s a bit of a **helicopter parent**, always watching over her kids.
idiom

High stakes

Meaning
Involving serious risk or significant consequences.
Example
Negotiating with investors is a **high-stakes** game.
idiom

hit the same wavelength

Meaning
to share similar thoughts and feelings
Example
We **hit the same wavelength** from the first conversation.
idiom

hear something straight from the horse's mouth

Meaning
to hear something directly from the original or most reliable source
Example
I heard it **straight from the horse's mouth** that the event is canceled.
idiom

hangover cure

Meaning
a remedy for the aftereffects of drinking too much alcohol
Example
He swears by coffee as the best **hangover cure**.
idiom

hear it through the grapevine

Meaning
to hear a rumor or unofficial news
Example
I **heard it through the grapevine** that they broke up.
idiom

home is where the heart is

Meaning
your true home is with the people you love
Example
I may live far away, but **home is where the heart is**.
idiom

hit a bump in the road

Meaning
to face a temporary problem or setback
Example
Our project **hit a bump in the road**, but we'll recover soon.
idiom

hold oneself accountable

Meaning
to take responsibility for one's actions or decisions
Example
A true leader **holds himself accountable** for the team’s failures.
idiom

hair stands on end

Meaning
to feel intense fear or horror
Example
The ghost story made my **hair stand on end**.
idiom

how do you do

Meaning
a formal greeting used when meeting someone for the first time
Example
**How do you do?** It’s a pleasure to meet you.
idiom

helping hand

Meaning
assistance or support
Example
He offered a **helping hand** when I was struggling.
idiom

hear someone out

Meaning
to listen to someone until they have finished speaking
Example
Please **hear me out** before you make a decision.
idiom

heartbroken

Meaning
very sad and emotionally hurt
Example
He was **heartbroken** when his pet died.
idiom

have your hands full

Meaning
to be very busy with work or responsibilities
Example
She can’t take on another task right now—she already **has her hands full**.
idiom

hard luck story

Meaning
a story about someone's misfortune
Example
He’s always telling a **hard luck story** to get sympathy.
idiom

heart in one’s mouth

Meaning
to feel extreme fear or anxiety
Example
My **heart was in my mouth** as I waited for the results.
idiom

head off for

Meaning
to depart for a destination
Example
We’ll **head off for** the airport at 5 a.m.
idiom

hacktivism

Meaning
the use of hacking to promote political or social causes
Example
The group used **hacktivism** to expose corruption within the government.
idiom

hold your ground

Meaning
to refuse to change your position or opinion
Example
She **held her ground** even when others disagreed.
idiom

hit upon an idea

Meaning
to suddenly think of a good idea
Example
I **hit upon an idea** for improving the app.
idiom

hand over

Meaning
to give control or possession to someone else
Example
She will **hand over** the keys when the lease is signed.
idiom

how’s it going

Meaning
a casual way of asking how someone is doing
Example
**How’s it going?** You look great today!
idiom

have your head in the clouds

Meaning
to be daydreaming or not paying attention to reality
Example
He was **having his head in the clouds** during the lecture.
idiom

hold over

Meaning
to postpone something to a later time
Example
They had to **hold over** the vote until next week.
idiom

hook the customer

Meaning
to attract and keep a customer’s interest
Example
A good slogan can easily **hook the customer**.
idiom

house of cards

Meaning
a plan or structure that is weak and likely to fail
Example
Their business model turned out to be a **house of cards**.
idiom

have a crush on

Meaning
to be attracted to someone
Example
I **had a crush on** my classmate in college.
idiom

hit the ceiling

Meaning
to reach the highest possible level or price
Example
The stock prices **hit the ceiling** after the merger news.
idiom

hit the town

Meaning
to go out and enjoy with friends
Example
Let’s **hit the town** tonight and celebrate!
idiom

hold onto

Meaning
to keep possession of something
Example
Hold onto your receipts until the refund clears.
idiom

have words with someone

Meaning
to argue with someone verbally
Example
I **had words with** my boss about the new policy.
idiom

hit below the belt

Meaning
to act unfairly or say something hurtful
Example
That comment about her family was really **hitting below the belt**.
idiom

hold someone accountable

Meaning
to make someone take responsibility for their actions
Example
It’s important to **hold people accountable** for their mistakes.
idiom

hit like a ton of bricks

Meaning
to cause a sudden and strong shock or surprise
Example
The news of his death **hit me like a ton of bricks**.
idiom

hold the upper hand

Meaning
to have more power or advantage over others
Example
Negotiations continued, but the buyer **held the upper hand**.
idiom

hit the gas

Meaning
to accelerate; to move faster
Example
He **hit the gas** to catch the green light.
idiom

hit the sack

Meaning
to go to bed
Example
I'm exhausted, so I'm going to **hit the sack** early tonight.
idiom

hair-raising experience

Meaning
something very frightening or terrifying
Example
Driving through that storm was a **hair-raising experience**.
idiom

have a chip on your shoulder

Meaning
to be angry or resentful about something from the past
Example
He **has a chip on his shoulder** about being rejected.
idiom

have a heavy heart

Meaning
to feel deep sadness or sorrow
Example
He left the city **with a heavy heart**.
idiom

honor one's promise

Meaning
to keep a promise or commitment
Example
She **honored her promise** to visit the orphanage.
idiom

hand down

Meaning
to pass something to someone of a later generation
Example
My grandmother **handed down** this recipe to me.
idiom

hit rock bottom

Meaning
to reach the lowest point of failure or depression
Example
After losing his job, he **hit rock bottom**.
idiom

hold out for

Meaning
to wait to get exactly what you want
Example
She’ll **hold out for** a better offer before signing.
idiom

have a brainwave

Meaning
to suddenly have a clever idea
Example
I **had a brainwave** and solved the puzzle.
idiom

have a crush on someone

Meaning
to have romantic feelings for someone, often secretly
Example
I’ve **had a crush on** her for months.
idiom

have the upper hand

Meaning
to have control or advantage over someone
Example
After the merger, the larger company **had the upper hand**.
idiom

hands are tied

Meaning
to be unable to act freely because of rules or restrictions
Example
The government’s **hands are tied** due to international trade laws.
idiom

have the gift of the gab

Meaning
to be good at talking or persuading people
Example
He’s a great salesman because he **has the gift of the gab**.
idiom

having a whale of a time

Meaning
enjoying yourself greatly
Example
We had **a whale of a time** at the beach yesterday.
idiom

have a one-track mind

Meaning
to think about only one thing all the time
Example
He **has a one-track mind** when it comes to his business.
idiom

have a green thumb

Meaning
to be good at gardening
Example
My mother **has a green thumb** and grows beautiful flowers.
idiom

have a good head on one's shoulders

Meaning
to be sensible and intelligent
Example
She’s only 20, but she **has a good head on her shoulders**.
idiom

Handed down

Meaning
To give or leave something to someone younger or from a previous generation
Example
This antique watch was **handed down** to me from my grandfather.
idiom

hot under the collar

Meaning
feeling angry or embarrassed
Example
He got **hot under the collar** when his mistake was pointed out.
idiom

Hope for the best, prepare for the worst

Meaning
Always stay optimistic, but be ready for any outcome.
Example
She was nervous about the exam but decided to **hope for the best, prepare for the worst**.
idiom

hold down

Meaning
to keep something at a low level
Example
It’s tough to **hold down** rent costs in this city.
idiom

hardwired to do something

Meaning
to be naturally inclined or programmed to behave a certain way
Example
Humans are **hardwired to** seek connection and belonging.
idiom

have a spark of creativity

Meaning
to show signs of being creative or imaginative
Example
Even as a child, she **had a spark of creativity**.
idiom

hold up your end

Meaning
to fulfill your part of an agreement or duty
Example
If you **hold up your end**, the project will succeed.
idiom

hold back on

Meaning
to delay or reduce doing something
Example
Let’s **hold back on** hiring until sales improve.
idiom

honor your commitments

Meaning
to fulfill promises and obligations
Example
You must always **honor your commitments**, no matter how difficult they are.
idiom

have second thoughts

Meaning
to start having doubts about a decision you have made
Example
I'm having **second thoughts** about buying such an expensive car.
idiom

head to head

Meaning
to be in direct competition or disagreement
Example
The two leaders went **head to head** in the debate.
idiom

have a splitting headache

Meaning
to have a very bad headache
Example
I can’t focus right now; I **have a splitting headache**.
idiom

hammer out

Meaning
to reach an agreement after thorough discussion
Example
They stayed late to **hammer out** the final details of the contract.
idiom

have a soft spot for

Meaning
to have a fondness or affection for something or someone
Example
I **have a soft spot for** old classic movies.
idiom

hard as nails

Meaning
very tough and determined
Example
She’s **hard as nails** when it comes to achieving her goals.
idiom

have it made

Meaning
to be in a very good position for success
Example
With a stable job and a happy family, he really **has it made**.
idiom

hope springs eternal

Meaning
people will always have hope, no matter the situation
Example
Even in the darkest times, he believed things would get better because **hope springs eternal**.
idiom

heart of gold

Meaning
a very kind and generous person
Example
My grandmother has a **heart of gold**.
idiom

have a way with words

Meaning
to be very good at persuading or charming people with speech
Example
He **has a way with words** that makes everyone listen.
idiom

hit it off

Meaning
to become friends quickly and easily
Example
They **hit it off** right after being introduced.
idiom

hit a snag

Meaning
to face an unexpected problem or obstacle
Example
The project **hit a snag** when the server went down.
idiom

have guts

Meaning
to have courage or confidence to do something difficult
Example
It takes someone with real courage to **have guts** to speak the truth.
idiom

have a change of heart

Meaning
to change your opinion or the way you feel about something
Example
She was going to move abroad, but she had **a change of heart**.
idiom

have a vision

Meaning
to have a clear idea or dream for the future
Example
A good leader must **have a vision** for their team.
idiom

hit the dance floor

Meaning
to start dancing, especially at a party
Example
Let’s **hit the dance floor** and show our moves!
idiom

have mixed feelings

Meaning
to be uncertain or have both positive and negative emotions
Example
I **have mixed feelings** about moving to another city.
idiom

hold your fire

Meaning
to delay taking action or making a response
Example
He told his team to **hold their fire** until he gave the signal.
idiom

hold your nerve

Meaning
to remain calm and confident under pressure
Example
She **held her nerve** and finished the speech perfectly.
idiom

have an axe to grind

Meaning
to have a personal reason to complain or criticize
Example
She **has an axe to grind** with her former employer.
idiom

hope for the best

Meaning
expect a positive outcome even in uncertainty
Example
We did everything we could, now let’s **hope for the best**.
idiom

hold the fort

Meaning
to be in charge while someone is away
Example
Can you **hold the fort** while I'm at the meeting?
idiom

have a blast

Meaning
to have a really good time
Example
We **had a blast** at the concert last night!
idiom

have a high opinion of yourself

Meaning
to think you are very good or important
Example
He **has a high opinion of himself** after getting the award.
idiom

hit back

Meaning
to reply to criticism or attack with force
Example
The team plans to **hit back** with a stronger strategy.
idiom

have a soft spot for someone

Meaning
to feel affection or fondness for someone
Example
He has always **had a soft spot for** his childhood friend.
idiom

have the guts

Meaning
to have courage or bravery to do something difficult
Example
She didn’t **have the guts** to tell him the truth.
idiom

hang back

Meaning
to remain behind or hesitate to act
Example
If you **hang back**, you might miss the opportunity.
idiom

have a smile on your face

Meaning
to appear happy and cheerful
Example
She always has a smile on her face, no matter the situation.
idiom

Hear something on the grapevine

Meaning
To hear gossip or unofficial news.
Example
I **heard on the grapevine** that she’s leaving the company.
idiom

have itchy feet

Meaning
to feel a strong desire to travel or move
Example
After a few months at home, I started to **have itchy feet** again.
idiom

hit the trends

Meaning
to become popular or fashionable in a very short period of time
Example
The new meme about the office prank has **hit the trends** and is everywhere now.
idiom

hit the hay

Meaning
to go to bed; to sleep
Example
I'm really tired, so I'm going to **hit the hay** early tonight.
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

hang in there

Meaning
to remain persistent and determined in difficult circumstances
Example
I know you're tired, but **hang in there** because you're almost finished.