"A piece of cake"
A slice of dessert
Very easy
Something tastes good
"In one ear and out the other"
Listening to music
Not paying close attention
An echo sound
"Monkey see, monkey do"
Climbing trees
Copying someone
Playing at the zoo
"Go bananas"
To enjoy fruits
To cheer on bananas
Going crazy or being excited
"Hit the jackpot"
Hit a person named Jack
Go shopping
Win something big
"In hot water"
Boiling some water
Getting into trouble
Taking a bath
"When pigs fly"
Something that will never happen
Liking animals
Describing an animal that flies
"The ball is in your court"
Enjoying tennis
It is your responsibility
Playing sports
"Time flies"
Time has no meaning
Time goes by fast
Time is like a fly
"Out of the blue"
Liking the colour blue
All of a sudden
Asking for something blue
"Bite your tongue"
To accidentally hurt yourself
To not say something
To bite down on your tongue
"Hit the books"
Throwing books
To start studying
To read bedtime stories
"Hold your horses"
To wait a moment
To hold onto a horse
To buy horses
"Add fuel to the fire"
To make things worse
Cook dinner
Start a fire
"Feeling under the weather"
Playing outside
Being sick
Standing in the rain
"Do not judge a book by its cover"
Do not judge by someone by their looks
Book covers should look pretty
Read more
"Break a leg"
Falling down
Saying good luck
Injuring yourself
"Keep your chin up"
Getting a stiff neck
Always look up
Stay positive
"Break the ice"
Jump in water
Start a discussion
Freeze something
"On cloud nine"
Being very happy
Seeing 9 clouds
Sitting on something soft
"Have a sweet tooth"
Always tasting something sweet in your mouth
Enjoying sweets and desserts
Lost a tooth
"To spill the beans"
Cooking beans
Causing an accident
Sharing secrets
"Once in a blue moon"
Always happening
The moon is blue
Very rarely
"Cool as a cucumber"
Very cold
Very calm
Very healthy
"Butterflies in my stomach"
Feeling feverish
Feeling nervous
Feeling hungry
"Cry over spilled milk"
Accidentally spilling milk
There is no point in feeling regretful now
Creating a mess
"A fish out of water"
Playing in water
Going on a fishing trip
Feeling out of place
"Let the cat out of the bag"
Lose a pet
Reveal a secret
Drop your bag on the floor
"The early bird catches the worm"
To enjoy being outdoors
Being early has its advantages
Being a worm