无法解决的英文

The problem is too difficult to solve.

The question is too difficult to solve （或者 to work it out）The question is so difficult that I can't solve it （或者 I can't work it out）

It is too hard to solve the problem. 希望对你有帮助。

I think that there will be no problem which can't be solved.

没办法处理No way to deal with it 所以，并不是他们不知道，正在发生什么，只是他们没办法，正确的报告并且没办法处理好它。So it's not that they didn't know what was happening, it's just that they failed to properly report and failed to deal with it.