须要

须要	xū yào	must; have to
须	xū	must / to have to / to wait
须	xū	beard / mustache / feeler (of an insect etc) / tassel
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