Sentence examples for difficult to be certain from inspiring English sources

It is difficult to be certain from here.

This makes it difficult to be certain of the actual number of species.

Despite their importance, he wrote, "it is difficult to be certain that they are genuine...

As a result, it is difficult to be certain where values stand.

Despite their importance, he wrote, "it is difficult to be certain that they are genuine..

He said there were clearly changes in the climate, but it was difficult to be certain about its impacts.

It seems difficult to be certain whose memories are to be understood as correct or 'right' and how history should be interpreted.

As the Times reported, observers from the O.A.S. said that "irregularities, mistakes and systemic problems plaguing this election make it difficult" to be "certain about the outcome".

It seems likely, though it is difficult to be certain, that her prosopagnosia was the result of the tumor or the surgery.

"It is difficult to be certain about what we have found because nothing like this has been discovered in Roman Britain before.

Given that there are going to be trade union demonstrations, it's difficult to be certain of the numbers of anti-Murdoch protesters expected to attend.