Food
Weather
Animals
Hand/Arm
Sports
100
Piece of cake

Very easy

100

Raining cats and dogs

Raining very heavily/a lot

100

Let the cat out of the bag

Let a secret out, tell a secret

100

Green thumb

Someone who is good at gardening or keeping plants alive and healthy

100

Pitch in

Help out

200

Couch potato

Someone who is lazy

200

Feeling under the weather

Not feeling well, feeling sick

200

Cry wolf

To pretend something is wrong when it really isn't

200

Out of hand

Out of control, chaos

200

Home stretch

Almost finished with something

300

Not my cup of tea

Not something that I like or enjoy doing

300

On cloud 9

To be very happy
300

Butterflies in your stomach

To feel nervous or anxious about something

300

Twist my arm

Convince me to do something

300

Ball is in their court

It is their turn to do something

400

Bigger fish to fry

To have more important things to worry about, or to focus on the less important thing
400

Steal thunder

To take the attention away from someone

400

Pig out

Eat too much

400

Have your hands full

You are very busy, don't have time for anything else

400

Step up your game

Do better, try harder

500
Walk on eggshells
To be very careful of what you say or do around certain people or in certain situations
500
Take a raincheck

To postpone something, plan to do it later

500

Hold your horses

Stop what you are doing and wait

500

Hands are tied

When someone is not able to help you
500

Hit below the belt

Say something that is hurtful on purpose