body parts
animals/ insects
spring
School
Food
100

Lips are sealed

Will not tell a secret

100

Ants in your pants

not able to sit still

100

To spring to your feet

happy,enthusiastic feeling energergtic

100

hit the books

study hard

100

piece of cake

very easy


200
Ii cost an arm and a leg

Very expensive

200

Hold your horses

to wait

200

Not a spring Chicken

Not young anymore

200

A book worm

Someone who loves to read

200

couch potato

to be lazy, sit on the couch and watch TV all day

300

Cold feet

to back out of something

300

opening a can of worms 

leads to more problems

300

A good egg 

Nice person

300

Give the green light

to get permission to do something

300

icing on the cak

 something extra that makes a good thing even better.

400

All ears

to listen and be attentive

400

Cat nap 

to take a shot sleep

400

“spring fever.

 a lazy or restless feeling.

400

Crack a book

To open a book to study

400

apple of my eye

a person of whom one is extremely fond and proud.

500

Break a leg

good luck

500

A fish out of water

to be in a new situation and be confused or not comfortable

500

a stick in the mud.

a person who is dull and unadventurous and who resists change.

500

Draw a blank

To get no response when you ask a question

500

Bring home the bacon.

making money