Taivo A Taiwan Mandarin dictionary

汗牛充棟

hànniúchōngdòng

ㄏㄢˋ ㄋㄧㄡˊ ㄔㄨㄥ ㄉㄨㄥˋ

Simplified 汗牛充栋

  1. 1lit. enough books to make a pack-ox sweat or to fill a house to the rafters (idiom); fig. many books

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