Cool as a cucumber
To be very calm, with no worries
“Bigger fish to fry”
Have more urgent problems
“In a pickle”
Have a tough choice or problem, possibly in trouble
“The icing on the cake”
Makes something even better
“Count your chickens before they hatch”
Assuming something you want to happen will definitely happen
“Hit the nail on the head”
To do or say something that is exactly right
