Ball Is in Your Court

It is your turn to take action or make a decision

Be on Cloud Nine

To be extremely happy

Strike While the Iron Is Hot

To act at the right moment when circumstances are favorable

Cry over Spilt Milk

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

Storm in a Teacup

A lot of commotion or fuss about a trivial matter

It Is Raining Cats and Dogs

It is raining very heavily