Sentence examples for are very difficult to prove from inspiring English sources

Such cases are very difficult to prove and prosecute, he said.

While these allegations are very difficult to prove, the stories are commonplace around Shirebrook.

But justification defenses are very difficult to prove in cases in which the action happens very quickly.

In practice the passports are very difficult to prove drug use.

Bribery cases are very difficult to prove and prosecutors have limited resources to engage in multi-year, cross-border investigations.

"This will be very difficult to prove".

Those things can be very difficult to prove".

"Scientifically it is very difficult to prove," he said.

It is very prescriptive and it is very difficult to prove.

My understanding is that it will be very difficult to prove.

But it's going to be very difficult to prove that scientifically.