1 sentence

1. 冰冻三尺非一日之寒，他的成功离不开长期的苦练。

   bīng​dòng​sān​chǐ fēi yī rì zhī hán, tā de chéng​gōng lí​bu​kāi cháng​qī de kǔ​liàn.

   Rome wasn't built in a day; his success is inseparable from long-term hard practice.

   Source: Dong Chinese Dictionary