He knocked his opponent down with a single blow.他仅用一拳就打倒了对手。He killed the man with a single blow of the hammer.他一榔头打死了那个人。He settled his enemy with a single blow.他一拳便把敌人解决了。He felled his opponent with a single blow.他一拳便把对手击倒在地。He felled his enemy with a single blow.他一拳把敌人击倒在地。