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