Paul's self-destructive behaviour could lead to something serious one day.保罗的自毁行为总有一天会导致严重的后果。Each balloon has a self-destructive device.每个气球都有自毁装置。Carried to extremes, such behaviour can be self-destructive.若任其发展下去，这样的行为会导致自我毁灭。He had a reckless, self-destructive streak.他生性鲁莽草率，会做出自毁行为。