短语词组短语let t sb do 让某人做某事Let t sb do sth 让某人做某事let sb do sth 让某人做某事;让某人干某事;让或者人做没事let sb to do sth 让某人做某事let sb not do sth 让某人不做某事Let sb alone to do 不打扰 返回 let sb do