杜塞 Traditional form: 杜塞 Pinyin (reading): dùsè Definitions: to stop to block Characters: 杜 - to prevent, to restrict, to stop; surname 塞 - to stop up, to seal, to cork, to block; pass, frontier; fortress Traditional characters: 杜 - to prevent, to restrict, to stop; surname 塞 - to stop up, to seal, to cork, to block; pass, frontier; fortress