overfitting
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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

green light

Meaning
permission to start or go ahead with something
Example
The manager gave us the **green light** to launch the project.
phrasal-verb

sleep over

Meaning
to sleep at someone else's house for a night
Example
My friend invited me to **sleep over** at his place.
phrasal-verb

speak for others

Meaning
to voice concerns on behalf of people who are absent
Example
Leaders should **speak for others** who aren't in the room.
idiom

old flame

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

play a role

Meaning
to have a part in something
Example
Everyone **played a role** in making the show successful.
phrasal-verb

crack under

Meaning
to fail or give up because of too much pressure or stress
Example
He **cracked under** the pressure of constant deadlines.
idiom

be on the same page

Meaning
to agree with someone or have the same understanding
Example
Before getting married, they made sure they were **on the same page** about their future.
idiom

Follow your nose

Meaning
Trust your instincts and go in the direction that feels right.
Example
If you're lost, just **follow your nose** and you'll find the way.
phrasal-verb

work towards

Meaning
to make efforts to achieve a particular goal
Example
He is **working towards** his dream of becoming a pilot.
phrasal-verb

pace meetings well

Meaning
to manage the speed of a meeting appropriately
Example
Hosts **pace meetings well** by sticking to the agenda timing.
phrasal-verb

ring out

Meaning
to make a loud sound, especially of bells or alarms
Example
Church bells **rang out** across the city.
phrasal-verb

check out of

Meaning
to leave a hotel after paying the bill
Example
We **checked out of** the hotel early to catch our flight.
idiom

hand off to

Meaning
to transfer responsibility or control to someone else
Example
I’ll **hand this off to** the design team tomorrow.
phrasal-verb

raise consciousness about

Meaning
to make people more aware of an issue or cause
Example
The campaign aims to **raise consciousness about** climate change.
phrasal-verb

get going

Meaning
to begin taking action toward a goal
Example
If you want success, stop waiting and **get going** now!
idiom

flash of genius

Meaning
a sudden brilliant idea or solution
Example
Her idea for the new logo was a real **flash of genius**.
phrasal-verb

forgive someone for

Meaning
to stop being angry with someone for what they did
Example
She finally **forgave him for** lying.
idiom

build trust

Meaning
to create or develop trust in a relationship
Example
It takes time to **build trust** with new people.
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

throw someone under the bus

Meaning
to betray or sacrifice someone to save yourself
Example
He **threw his colleague under the bus** to avoid getting fired.
idiom

the wisdom of age

Meaning
knowledge and understanding gained through life experience
Example
He gave me advice that showed **the wisdom of age**.
idiom

hit the trail

Meaning
to start traveling or begin an adventure
Example
We’ll **hit the trail** early in the morning.
phrasal-verb

tune in

Meaning
to pay attention or listen carefully
Example
Try to **tune in** when others are speaking.
idiom

freak out

Meaning
to become very anxious, upset, or scared
Example
She **freaked out** when she saw the spider.
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

keep in touch

Meaning
to maintain communication with someone
Example
Even after moving away, we **keep in touch** regularly.
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

cross your heart

Meaning
to make a sincere promise
Example
I’ll never tell anyone, **cross my heart**.
idiom

Be all ears

Meaning
To listen very attentively.
Example
I’m **all ears**, tell me what happened!
phrasal-verb

guard against

Meaning
to take precautions to prevent something bad from happening
Example
We must **guard against** potential fraud in online transactions.
phrasal-verb

let in on

Meaning
to share a secret or private feeling with someone
Example
She finally **let me in on** what was bothering her.
idiom

chain reaction

Meaning
a series of events triggered by one event
Example
One breakthrough can start a **chain reaction** of new innovations.
phrasal-verb

set against

Meaning
to compare one thing with another; to make someone oppose something
Example
Her parents are **set against** her studying abroad.
idiom

as far as I'm concerned

Meaning
used to express one’s personal opinion or feeling about something
Example
**As far as I'm concerned**, he did a great job.
phrasal-verb

set clear goals

Meaning
to define specific objectives or targets
Example
A good manager always sets clear goals for the team.
phrasal-verb

step beyond

Meaning
to go further than expected or allowed
Example
Her creativity always **steps beyond** traditional boundaries.
idiom

hashtag activism

Meaning
using hashtags to support social or political causes online
Example
**Hashtag activism** can raise awareness but may not lead to real change.
idiom

Put your best foot forward

Meaning
to try as hard as you can
Example
She **put her best foot forward** in the interview.
phrasal-verb

stand strong

Meaning
to remain emotionally firm despite difficulties
Example
She had to **stand strong** when everything seemed to fall apart.
phrasal-verb

bring up old issues

Meaning
to mention past problems during a new argument
Example
He always **brings up old issues** whenever they argue.
phrasal-verb

draw support from

Meaning
to gain backing or approval from a group or population
Example
The leader managed to **draw support from** rural voters with his new policies.
phrasal-verb

tune out distractions

Meaning
to ignore things that disturb your focus or peace
Example
You must **tune out distractions** to stay calm under pressure.
phrasal-verb

learn to trust again

Meaning
to regain faith in others after being betrayed or hurt
Example
It takes time to **learn to trust again** after being let down.
idiom

come out clean

Meaning
To be proven innocent or free from blame.
Example
After investigation, he **came out clean**.
idiom

fair and square

Meaning
honest and straightforward; without cheating
Example
She won the competition **fair and square**.
idiom

Go against the grain

Meaning
to do something that is contrary to the usual way of doing things
Example
Their new approach really **goes against the grain** of traditional research methods.
phrasal-verb

talk down

Meaning
to speak in a way that shows you think someone is less intelligent
Example
Don’t **talk down** to your colleagues; it’s disrespectful.
idiom

cut back on

Meaning
to reduce the amount of something
Example
We’re trying to **cut back on** eating out during the week.
B1 idiom

all ears

Listening very attentively
Meaning
Listening very attentively
Example
When the teacher started explaining the concept, the students were all ears.
When the teacher started explaining the concept, the students were all ears.
phrasal-verb

phase into

Meaning
to introduce or begin something gradually over time
Example
The company plans to **phase into** a new training system for employees.
idiom

a paradigm shift

Meaning
a fundamental change in approach or underlying assumptions
Example
The invention of the internet marked a **paradigm shift** in communication and information sharing.
phrasal-verb

catch on quickly

Meaning
to understand new concepts or ideas fast
Example
She **catches on quickly** when it comes to math problems.
phrasal-verb

wrap the day up

Meaning
to finish tasks and close out the workday
Example
I **wrap the day up** by reviewing tomorrow's top three priorities.
phrasal-verb

live beyond one’s means

Meaning
to spend more money than one can afford
Example
Many people **live beyond their means** by using credit cards carelessly.
idiom

hold the vision

Meaning
to maintain a clear sense of direction or goal
Example
Leaders who **hold the vision** can guide their teams through difficult times.
idiom

a match made in heaven

Meaning
a perfect couple, very well suited for each other
Example
They are truly **a match made in heaven**.
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

go bankrupt

Meaning
to lose all money and be unable to pay debts
Example
Many start-ups **go bankrupt** within their first year.
phrasal-verb

lay things out for

Meaning
to explain or arrange information clearly for a purpose
Example
She **laid things out for** the team so everyone knew their tasks.
idiom

blow away the cobwebs

Meaning
to refresh one’s mind or body after inactivity
Example
A short walk helped me **blow away the cobwebs**.
phrasal-verb

work off emotions

Meaning
to get rid of negative emotions by doing physical activity
Example
He goes jogging to **work off** his frustration.
idiom

the balance of power

Meaning
a situation in which power is distributed among nations to prevent dominance by one
Example
The UN aims to maintain **the balance of power** among major nations.
idiom

steer clear of

Meaning
to avoid someone or something
Example
You should **steer clear of** that street after dark.
idiom

rule of law

Meaning
the principle that everyone is subject to the law
Example
Democracy depends on the **rule of law**.
idiom

smooth things over

Meaning
to make a bad situation seem better by dealing with it calmly
Example
She tried to **smooth things over** after their disagreement.
idiom

be responsible for

Meaning
to be in charge of or accountable for something
Example
She is **responsible for** managing the entire department.
idiom

lost in space

Meaning
confused or not paying attention
Example
He looked completely **lost in space** during the lecture.
phrasal-verb

reply to

Meaning
to respond to a message or email
Example
I’ll **reply to** your email by the end of the day.
idiom

Change is the only constant

Meaning
Everything in life keeps changing; nothing stays the same.
Example
Don’t resist — change is the only constant.
phrasal-verb

forge partnerships with

Meaning
to build strong working relationships with others
Example
Our diplomats **forge partnerships with** innovators at global forums.
idiom

glue together

Meaning
to attach pieces firmly using adhesive
Example
Let the students **glue together** the collage pieces.
idiom

in a pickle

Meaning
in a difficult or tricky situation
Example
I'm **in a pickle** because I double-booked my meetings.
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.
phrasal-verb

build upon success

Meaning
to use existing success as a foundation for future growth
Example
The bank aims to **build upon success** from last year’s performance.
phrasal-verb

draft in for

Meaning
to bring someone in to help with a task
Example
We **drafted Sam in for** the client presentation at the last minute.
idiom

set the record straight

Meaning
to clarify the truth after a misunderstanding
Example
He wanted to **set the record straight** about what really happened.
idiom

drill down

Meaning
to examine something in greater detail
Example
We need to **drill down** into the survey responses.
idiom

so far so good

Meaning
used to say that an activity has been successful up to this point
Example
We've finished the first part of the project, and **so far so good**.
idiom

turn the other cheek

Meaning
to ignore insults or avoid taking revenge
Example
He chose to **turn the other cheek** instead of fighting back.
idiom

down to the wire

Meaning
until the very last moment; close to the deadline
Example
The game went **down to the wire**, but they won in the end.
phrasal-verb

doze off

Meaning
to fall asleep, especially unintentionally
Example
I often **doze off** while watching TV at night.
phrasal-verb

bring forward ideas

Meaning
to propose or suggest ideas for discussion or action
Example
Global leaders **bring forward ideas** to tackle poverty and inequality.
phrasal-verb

fill your mind with peace

Meaning
to focus your thoughts on calm and positive feelings
Example
Meditation helps you **fill your mind with peace**.
phrasal-verb

look set to

Meaning
to seem likely to happen soon
Example
The company **looks set to** dominate the market in the coming years.
idiom

Keep going

Meaning
Continue with determination despite difficulties.
Example
You're doing great—just **keep going**!
idiom

a rollercoaster of emotions

Meaning
to experience very high and very low emotional states in a short time
Example
The week was **a rollercoaster of emotions**, with moments of joy and sadness.
phrasal-verb

wait up

Meaning
to stay awake until someone arrives
Example
Don’t **wait up** for me, I might be late tonight.
idiom

to be ahead of the curve

Meaning
to be more advanced than others
Example
Her research was **ahead of the curve** in the field of artificial intelligence.
phrasal-verb

get by

Meaning
to manage to live or survive with what you have
Example
Even with little money, our family managed to **get by** happily.
idiom

a win-win situation

Meaning
a situation where everyone benefits
Example
Merging the two companies created **a win-win situation** for both parties.
idiom

reach your full potential

Meaning
to achieve the maximum ability or success that you are capable of
Example
By working hard, she was able to **reach her full potential**.
idiom

yawn fest

Meaning
something extremely boring
Example
That lecture was a total **yawn fest**.
phrasal-verb

carry down

Meaning
to bring something from a higher place to a lower place
Example
Could you **carry down** that box from the shelf?
idiom

see the silver lining

Meaning
to find hope or something positive in a bad situation
Example
She tries to **see the silver lining** even in tough times.
phrasal-verb

step forward

Meaning
to volunteer or take initiative for something
Example
John always **steps forward** when the team needs extra help.
idiom

to tell you the truth

Meaning
used to introduce an honest or surprising opinion
Example
**To tell you the truth**, I didn’t enjoy the party.
idiom

spread the love

Meaning
to show kindness and affection to others
Example
She always tries to **spread the love** by helping others.
idiom

hit the streets

Meaning
to go out on patrol or begin a search for a suspect
Example
The officers decided to **hit the streets** after the robbery was reported.
phrasal-verb

open doors to

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

catch a cold

Meaning
to become ill with a cold
Example
You’ll **catch a cold** if you go out in this rain.
phrasal-verb

let courage in

Meaning
to allow oneself to feel and act with bravery
Example
He tried to **let courage in** instead of fear.
phrasal-verb

brush back

Meaning
to push hair away from the face using the hand or brush
Example
She **brushed back** her hair to see more clearly.
idiom

Fine tuning

Meaning
small adjustments to improve something
Example
The plan just needs some **fine tuning** before we present it.
idiom

switch off

Meaning
to stop thinking about work or problems
Example
It’s important to **switch off** after a long day.
idiom

Sow the seeds

Meaning
To begin a process that will develop in the future.
Example
Her small donations **sowed the seeds** of a larger charity movement.
idiom

get a word in edgewise

Meaning
to be able to say something during a conversation dominated by others
Example
He talked so much that no one could **get a word in edgewise**.
phrasal-verb

go all in

Meaning
to put all your effort, energy, or enthusiasm into something
Example
He **went all in** to make the event successful.
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.
phrasal-verb

call out for

Meaning
to ask loudly for something or someone
Example
He **called out for** his mother when he got hurt.
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.
idiom

have faith in yourself

Meaning
to trust your own abilities and decisions
Example
**Have faith in yourself**, you can do this!
phrasal-verb

allow time for

Meaning
to make sure you have enough time to do something in the future
Example
Always **allow time for** unexpected delays.
phrasal-verb

adjust within a team

Meaning
to modify behavior to work better with colleagues
Example
New members often need time to **adjust within a team**.
idiom

like a dog with two tails

Meaning
extremely happy and excited
Example
He was **like a dog with two tails** after getting the promotion.
idiom

take the road less traveled

Meaning
to do something different or unconventional
Example
He **took the road less traveled** by choosing a career in adventure sports.
idiom

A bright future lies ahead

Meaning
there is hope for success in the future
Example
With his talent and hard work, **a bright future lies ahead** for him.
idiom

heart in your mouth

Meaning
to feel extremely anxious or scared
Example
My **heart was in my mouth** when the plane started shaking.
idiom

cut loose

Meaning
to behave freely and enjoy oneself
Example
It’s the weekend—time to **cut loose**!
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.