Translation of "harder" into Chinese

You'll never achieve anything if you don't study harder.

如果你不更加努力地學習, 你將永遠不會有所成就。

Both instruments are widely referenced by Governments and businesses and may, in due course, crystallize into harder forms.

该两项文书均广泛得到各国政府和工商企业的援引,而且适当时可能会具体化,采用较硬的形式。

While this is a welcome development, it is not enough, and we must work even harder towards achieving nuclear disarmament.

虽然这是一个值得欢迎的事态发展,但这还不够,我们必须为实现核裁军做出更艰苦的努力。