比喻只要有毅力，肯下苦功，事情就能成功。
铁杵(磨)成针 [tiě chǔ chéng zhēn]
1. An iron pestle can be ground down to a needle -- perseverance will prevail.; Little strokes fell great oaks.; Long, persistent practice makes perfect.每次在这儿吃都会赞叹老板娘的厨艺，虽然我一直都相信铁杵成针，但是吃着她做的菜，不得不相信有些人就是有天赋。
Though I am always convinced that perseverance makes success, I have to admit that she must be blessed with a gift for cooking.
比喻只要有毅力，肯下苦功，事情就能成功。
