Lighten up
to relax
Are you pulling my leg?
Are you messing with me?
Under the weather
to feel sick
Piece of cake
really easy
Blow off steam or let off steam
to do or say something to get rid of strong emotions
Speak of the devil
The person we were just talking about just showed up
What is "Get a grip"
This idioms means, to get control over your emotions.
Cutting corners
This idioms means to do something poorly in order to save time and/or money
What is "To lower your guard, drop your guard."
This idioms means, to stop being careful about showing your emotions.
Cost an arm and a leg
being extremely expensive
Raining cats and dogs
raining really hard
Play by the book
a basic rule you have to follow
to see red
This idioms means to get really angry.
Call it a day
to decide to stop doing something
Not my cup of tea
Not to one's linking
Wrap your head around something
to fully understand something
Spill the beans
To reveal a secret
"Keep a Straight Face".
This idioms means, to try not to smile or laugh.
Lose your head
to lose control of your emotions.
Hit the hay
go to sleep
Break a leg
Good luck
Bob's your uncle
"it's simple" or "there you have it"
Take the biscuit
something irritates you
Go back to the drawing board
to start over
To wear your heart on your sleeve
This idioms means, to show your feelings, especially your love for someone.