“All bets are off”

“All ears”

Ready to listen carefully.

“Against all odds”

Despite very low chances of success.

“Off the hook”

Free from responsibility, blame, or trouble.

“Cost a fortune”

To be very expensive.

“Bite off more than you can chew”

To take on too much responsibility.

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

Don’t risk everything on one plan.

“Get off on the wrong foot”

To start a relationship or activity badly.

“Once and for all”

Finally and permanently.