翻译成英语:好事多磨

There are many setbacks before success（好事多磨）

setbacks的意思是挫折：）~~

The road to happiness is full of hardships
或
The course of true love nerver runs smoothly

Sufferings always come before the happy-endings.

前两句参考http://zhidao.baidu.com/question/1294353.html并略加修改
后句原创。

1.the road to happiness full of hardships

2.The course of true love nerver runs smooth

好事多磨
the road to happiness full of hardships
The course of true love nerver runs smooth

No pain, no gain.