sacrifice,difficult?NoMissionTooDifficult,NoSacrificeTooGreat—DutyFirst!(意思:没有完不成的任务,没有太惨的牺牲——义务优先)sacrifice固定搭配?sacrificeoneself/one'slifeforsth.为某事牺牲某人/某人的生命sacrificeoneself/one'slifeto...