在线词典磨穿铁砚把铁铸的砚台都磨穿了。比喻读书用功,有恒心。拼音mó chuān tiě yàn解释把铁铸的砚台都磨穿了。比喻读书用功,有恒心。近义词持之以恒反义词半途而废英文释义to grind one's way through an ink stone; to persevere in a difficult task (idiom); to study diligently (idiom)