1 a piece of material on the floor in front of a door which you can clean your shoes on before going inside （进门前擦鞋底用的）门口地垫；（门前的）擦鞋垫

2 (informal 非正式) a person who allows other people to treat him/her badly without complaining 逆来顺受的可怜虫；甘受屈辱的受气包