Read Edit View history 钻故纸堆 zuāngùzhǐduī pore over Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 钻故纸堆/鑽故紙堆 · zuāngùzhǐduī · pore over 2026/03/04 钻故纸堆 / 鑽故紙堆 zuāngùzhǐduī pore over to study old books and papers; to dig into piles of outdated writings 他整天钻故纸堆，对现代社会的发展一无所知。 created sense Mar 4, 2026, 02:25 AM