Worst of all it's hard to bring any of the theories into real action.

最糟糕的是，把任何理论放进实际行动都是很困难的。

youdao

Any hard work you put in now will bring rewards later.

你现在做的艰苦工作会带来回报。

youdao

Any hard work you put in now will bring rewards later.

你现在做的艰苦工作会带来回报。

youdao