“When pigs fly”

“When it rains, it pours”

Problems often happen all at once.

“In a nutshell”

In a very brief and clear way.

“A wild goose chase”

A useless search for something that is hard or impossible to find.

“Cut to the chase”

To talk about the main point without wasting time.

“Hang in there”

To keep trying and not give up.

“Break the bank”

To cost too much money.

“Get your act together”

To start behaving or working in a more organized and effective way.

“On cloud nine”

Extremely happy.