回堵 Traditional form: 回堵 Pinyin (reading): huídǔ Definitions: (Tw) (of traffic) to be jammed traffic backup Characters: 回 - to return, to turn around; a time 堵 - wall; to stop, to prevent, to block Traditional characters: 回 - to return, to turn around; a time 堵 - wall; to stop, to prevent, to block