只要功夫深，铁杵磨成针 (只要功夫深，鐵杵磨成針) zhǐyào gōngfu shēn, tiě chǔ mó chéng zhēn

zhǐyào gōngfu shēn, tiě chǔ mó chéng zhēn phrase If you work at it hard enough, you can grind an iron bar into a needle.; cf idiom 磨杵成針|磨杵成针, to grind an iron bar down to a fine needle; to persevere in a difficult task
Domain: Proverb 谚语
Notes: (CC-CEDICT '只要功夫深，鐵杵磨成針')