磨穿铁砚

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

CEDICT

  1. (figuratively) to show extreme diligence in one's studies
  2. to show extreme diligence in one's studies

Wiktionary

比喻用功读书持久不懈参见穿

重編國語辭典

比喻用功读书持久不懈

維基詞典

Entry Composition

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