书蠹 Save Sign in to save words Traditional (Taiwan): 書蠹 shūdù ㄕㄨ ㄉㄨˋ bookworm (literal and figurative) book louse pedant Character by character 书(shū)book 蠹(dù)insect that eats into books, clothing etc Other words read shūdù shudu with other tones 熟读 书牍 数独 Often confused with shudu 速度 速读 A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0