台Taivo A Taiwan Mandarin dictionary

磨穿鐵硯

móchuāntiěyàn

ㄇㄛˊ ㄔㄨㄢ ㄊㄧㄝˇ ㄧㄢˋ

Simplified 磨穿铁砚

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  1. 1to grind one's way through an ink stone
  2. 2to persevere in a difficult task (idiom)
  3. 3to study diligently (idiom)

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