“knock the door”:破门而入;所以记得加on,knock on the door才是有礼貌地敲门,可别像JC攻破房门那样采用knock the door噢哈哈 “show somebody the door”:请某人离开的文雅说法;说GUN,滚说习惯了,还真难这么优雅地用这表达