The early bird catches the worm.
It means, if you want to succeed, you must wake up early.
Two heads are better than one.
It means we can solve a problem easily by working together.
Don't judge a book by its cover.
It means we should not judge others by their appearance.
It's raining cats and dogs!
It means it is raining a lot!
Long face
It means you look sad.
Piece of cake!
It means something is easy.
Not my cup of tea.
It means it's not my style.
Break a leg
It means good luck!
Fingers crossed!
It means good luck.
Under the weather
It means you look or feel sick.