断送

断送	duàn sòng	to forfeit (future profit, one's life etc) / ruined
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
送	sòng	to send; to deliver; to transmit / to give (as a present) / to see (sb) off / to accompany; to go along with