要命

要命	yào mìng	to cause sb's death / extremely; terribly / (used in complaining about sth) to be a nuisance
要	yāo	(bound form) to demand; to coerce
要	yào	to want; to need; to ask for / will; shall; about to / need to; should / if (same as 要是) / (bound form) important
命	mìng	life / fate / order or command / to assign a name, title etc