只要功夫深，铁杵磨成

Explanation: 【Source】 Song Zhu Mu "Fang Yu Sheng Lan Meizhou grinding River": elephant ears th teaches reading in the mountains of Li Bai, academic minors, disposable to go, "over a river, every old woman grinding Tiechu side, and asked, said: 'To make needle.' Bai sense of its meaning, but also graduate. " 【】 Proverb interpretation. Analogy with determination, willing to work hard, how difficult things can do successfully. 【Example】 ~, after five years of hard work, he cooked 　　Source: Song Zhu Mu "Fang Yu Sheng Lan Meizhou grinding River": elephant ears th teaches reading in the mountains of Li Bai, academic minors, disposable to go, "over a river, every old woman grinding Tiechu side, and asked, saying: ' To make needle. 'Bai sense of its meaning, but also graduate. " 　　Examples: ~, After five years of hard work, he mastered the English language.