Noviro
书蠹
Simplified 书蠹
Traditional 書蠹
Pinyin shū dù
Definition bookworm (literal and figurative); book louse; pedant
真是书蠹喜欢指点别人
Tā zhēnshi gè shū dù, xǐhuan zhǐdiǎn biérén
He's such a bookworm, he likes to correct others