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