Idiom 1
A blessing in disguise
a good thing that seemed bad at first
Pull yourself together
Calm down
Break a leg
Good luck
Under the weather
Sick
Get your act together
Work better or leave
A dime a dozen
Something common
So far so good
Things are going well so far
Cutting corners
Doing something poorly in order to save time or money
To get bent out of shape
To get upset
Go back to the drawing board
Start over
Beat around the bush
Avoid saying what you mean, usually because it is uncomfortable
It's not rocket science
It's not complicated
Easy does it
Slow down
Over the moon
Very happy or excited
Hang in there
don't give up
Better late than never
Better to arrive late than not to come at all
Speak of the devil
The person we were just talking about showed up!
Get out of hand
Get out of control
walking on the air
feeling light and joyful
Hit the sack
Go to sleep
Bite the bullet
To get something over with because it is inevitable
Time flies when you're having fun
You don't notice how long something lasts when it's fun
Get something out of your system
Do the thing you've been wanting to do so you can move on
on the cloud nine
extremely happy and elated
Pull someone's leg
To joke with someone