最終更新日：2024/06/27
Kyūjitai form of 磨穿鉄硯 (“showing unyielding diligence in one's studies”)
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磨穿鐵硯
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磨穿鐵硯
noun
Kyūjitai form of 磨穿鉄硯 (“showing unyielding diligence in one's studies”)
意味（1）
Kyūjitai form of 磨穿鉄硯 (“showing unyielding diligence in one's studies”)
