發揮

to display / to exhibit / to bring out implicit or innate qualities / to express (a thought or moral) / to develop (an idea) / to elaborate (on a theme)

to send out / to show (one's feeling) / to issue / to develop / to make a bundle of money / classifier for gunshots (rounds)

to wave / to brandish / to command / to conduct / to scatter / to disperse

to use the current topic to put over one's own ideas / to use sth as a pretext to make a fuss

improvisation

to outdo oneself; to perform exceptionally well