发威

发威	fā wēi	to unleash one's power; (of an animal) to go on a rampage; (of a typhoon, earthquake etc) to wreak havoc; (of a figure of authority) to erupt in anger; to assert one's dominance
发	fā	to send out / to show (one's feeling) / to issue / to develop / to make a bundle of money / classifier for gunshots (rounds)
发	fà	hair / Taiwan pr. [fa3]
威	wēi	power / might / prestige