关断

关断	guān duàn	to shut off
关	Guān	surname Guan
关	guān	mountain pass / to close; to shut; to turn off / to confine; to lock (sb) up; to shut (sb in a room, a bird in a cage etc) / to concern; to involve
断	duàn	to break / to snap / to cut off / to give up or abstain from sth / to judge / (usu. used in the negative) absolutely / definitely / decidedly