钻故纸堆

zuàngùzhǐduī

bury oneself in outdated writings; delve into musty old books

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zuan1 gu4 zhi3 dui1

to dig into piles of outdated writings (idiom); to study old books and papers

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钻故纸堆

zuān gù zhǐ duī

bury oneself in outdated writings; delve into dusty old books

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鑽故紙堆|钻故纸堆 [zuān gù zhǐ duī] ► to dig into piles of outdated writings (idiom); to study old books and papers