Crossword puzzle clue "tricky action"

It doesn't convey ferocious fuel-burning action, action, action! when it's regular-sized

Tricky action

Tricky action

Piece of the action, or a shout that stops the action

Who said "Action may not always bring happiness, but there is no happiness without action."

Word said just before solving a tricky clue

Ball team's tricky maneuvers?

Tricky thing to trisect, in classical geometry