户枢不蠹 Save Sign in to save words Traditional (Taiwan): 戶樞不蠹 hùshūbùdù ㄏㄨˋ ㄕㄨ ㄅㄨˋ ㄉㄨˋ lit. a door hinge never becomes worm-eaten constant activity prevents decay (idiom) Character by character 户(hù)a household 枢(shū)hinge 不(bù)no 蠹(dù)insect that eats into books, clothing etc A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0