A blessing in disguise
Something that looks good, but it's actually not.
Something good that initially looks bad.
Break a leg!
Good luck
Bad luck
Walking on clouds.
Feeling happy.
Being distracted.
See eye to eye.
To get revenge in the same propotion.
To agree with someone
Kick the bucket
Die
Give up!
Being a wishy-washy
Having impossible dreams.
Having no personality, or firm opinion.
Hit the sack.
Training very hard.
Going to sleep.
Cat is out of the box.
Lose control of someting or someone.
A secret or surprise is revealed.
Costs an arm and a leg.
Something very expensive
Being in a very difficult situation.
A dime a dozen.
Different ideas that end up the same.
Very common and abudant.