About the body
Time
Weather
Food
Animals
100

Just before she stepped onto the stage for her first solo, her teacher whispered break a leg

Good luck

100

The team beat the clock.

To finish something before the time runs out. 

100

The students were under the weather.

Feeling sick

100

The exam was a piece of cake

Very easy

100

There was an elephant in the room at the family party.

An obvious problem people avoid discussing.

200

He swore he was ready to sign the contract, but at the last second, he got cold feet and walked out of the meeting.”

To suddenly become too nervous to do something.

200

The firefighters arrived in the nick of time.

At the last possible moment.

200

I hate to rain on your parade, but today we have an exam.

To spoil someone’s plans or excitement.

200

The girl spilled the beans.

To reveal a secret.

200

A little bird told me something today.

someone tells a secret
300

Their dream vacation to Switzerland cost an arm and a leg

Very Expensive

300
He finishes his homework once in a blue moon.

Very rarely.

300

There was a storm in a teacup at school today.

A big fight about something small.

300

The boy is a tough cookie.

A strong or determined person.

300

Well now the cat is out of the bag.

Accidentally reveal a secret

400

The workers had to keep an eye on the temperature levels

To watch something or someone carefully.

400

Time flies when you are having fun.

Time passes quickly

400
It was raining cats and dogs.

Rains heavily.

400

The student bit off more than he could chew.

To take on more than you can manage

400

She had cried wolf so often that no one took her real warning seriously

To repeatedly raise false alarms so people stop believing you.

500

The neighbors lended a hand to their community.

To help someone.

500

The teacher worked around the clock.

Continuously, all day and night.

500

You must go to school come rain or shine.

No matter what happens or what the conditions are.

500

My Tynan has a lot on his plate.

To be very busy or overwhelmed with tasks.

500

Hold your horses—before we start celebrating,.

Wait or slow down.