“A false alarm”

“Fat chance”

Very little or no chance.

“Hard to swallow”

Difficult to accept or believe.

“Fight fire with fire”

To use the same methods as your opponent.

“Fit as a fiddle”

Very healthy and strong.

“Food for thought”

Something worth thinking about.

“Green with envy”

Very jealous.

“Hands are tied”

Unable to act because of rules or restrictions.

“For a song”

For a very low price.