蠹 | dù | insect that eats into books, clothing etc / moth-eaten / worm-eaten | |
蚛 | zhòng | (literary) (of a worm or insect) to nibble / to bite / worm-eaten | |
蠹简 | dù jiǎn | old worm-eaten books | |
蠹蛀 | dù zhù | to be moth-eaten / to be worm-eaten | |
霉蠹 | méi dù | to become mildewed and worm-eaten (of books) / to mildew and rot | |
户枢不蠹 | hù shū bù dù | lit. a door hinge never becomes worm-eaten / constant activity prevents decay (idiom) |