Squash the beef.
To end a conflict by apologizing (or fighting).
Kick the bucket.
To die.
A blessing in disguise.
A good thing that seemed bad a first.
You live and you learn.
To make a mistake.
Break a leg.
Good luck.
Costs an arm and a leg.
An extremely high price for something.
Miss the boat.
To lose an opportunity because you acted too slowly.
Don't put all your eggs in one basket.
Don't risk everything on one bet or decision.
Speak of the devil.
The person you were talking about suddenly shows up.
Catch 22
A problem with no solution; a situation that can't be resolved.
Cutting corners.
To do something quickly and poorly to save time or money.
Beating around the bush.
To avoid or delay saying something uncomfortable.
Out of sight, out of mind.
You'll forget people or things that are no longer visible or present.
We'll cross that bridge when we come to it.
Don't worry about that problem until it happens.
Bite the bullet.
To do something that is unpleasant because you know need to do it eventually.
Kill two birds with one stone.
The take care of two problems at the same time.
Bootlicker
Someone who always praises, defends, and supports people with authority or power.
It's raining cats and dogs.
It is raining very heavily.
The bee's knees.
The best.
Bob's your uncle.
It's done. Often used after a set of simple instructions.
Let the cat out of the bag.
To give away a secret.
Read between the lines.
To find the hidden meaning in a statement.
Jumping through hoops.
When you have to do a lot of complicated or annoying things to get something you want.
Hang in there.
Don't give up.