“The writing is on the wall”

“Feel the pinch”

To experience financial difficulty.

“Fat chance”

Very little or no chance.

“Flash in the pan”

A short-lived success that does not last.

“Every dog has its day”

Everyone gets a chance to succeed at some point.

“Fit as a fiddle”

Very healthy and strong.

“Fair and square”

Honestly and according to the rules.

“Fill someone’s shoes”

To take over someone’s role or responsibilities.

“Fall by the wayside”

To fail to continue or be forgotten.