cheng constant effort yields sure success;if one tries hard enough one will succeed; with time and patience the leaf of mulberry becomes satin
? 我一天天的盼，鐵大房梁磨繡針，～！(梁斌《紅旗譜》319) I dream of it every day. An iron rod can be sharpened into a needle.If I try hard enough I shall succeed.
功到自然成gong dao zi ran cheng
constant effort surely yields success
功到自然成功（工）ɡōnɡ dào zì yán chénɡ
功夫用到了，事情自然就會(huì)取得成果。 constant effort yields sure success; When the melon is ripe, it’ll drop by itself.