The official explanation is that he hurt himself accidentally, but many people suspect that he was injured in a fight.官方解释说他是意外自伤，但是很多人都怀疑他是在打斗中受的伤。He injured himself to avoid conscription.他自伤以逃避服兵役。The President's self-inflicted wounds have called his credibility into question.总统的自伤行为导致其信誉受到质疑。