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