Cry over Spilt Milk

To be upset about something that has already happened and cannot be changed

Ball Is in Your Court

It is your turn to take action or make a decision

Fit as a Fiddle

To be in very good physical condition

Cost an Arm and a Leg

Something that is very expensive

Don't Judge a Book by Its Cover

Do not judge something by its appearance alone

School of Dolphins

A group of dolphins swimming together