“Be in two minds”

“In hot water”

In trouble.

“Be in over your head”

To be involved in something too difficult for you.

“In the same boat”

In the same situation as others.

“In a nutshell”

In a very brief and clear way.

“Up in the air”

Not decided yet; uncertain.

“Hang in there”

To keep trying and not give up.

“Rome wasn’t built in a day”

Important things take time.

“Don’t put all your eggs in one basket”

Don’t risk everything on one plan.