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Open the tool →蠹书虫 (dù shū chóng) is a Chinese idiom (chengyu) meaning “a person who reads extensively but without critical thinking or practical understanding, often becoming a pedant; someone who is knowledgeable only in books but lacks practical experience or real-world application”.
蠹书虫 is pronounced dù shū chóng in Mandarin Chinese.
Literally, 蠹书虫 means “book-eating worm; moth that eats books”. It is used to mean “a person who reads extensively but without critical thinking or practical understanding, often becoming a pedant; someone who is knowledgeable only in books but lacks practical experience or real-world application”.
蛀书的虫子。比喻读死书的人