There is no clear-cut answer to this question.

这个问题没有确切的答案。

This was a clear-cut case of the original land owner being in the right.

这是一起明显的原土地所有者有理的案件。

The division of Labour is clear-cut, each one being charged with specific responsibilities.

分工明确，各有专责。

It is reasonably clear-cut.

它相当清楚。

The case is not clear-cut.

此案并不是那么一目了然。