Sentence examples for be certain about the from inspiring English sources

What you really have to do is be certain about the unknown".

"I don't think it's possible, especially since you cannot be certain about the presence of C.T.E.

We cannot, of course, be certain about the bishops' motives in overdramatizing what should be a routine disagreement.

It is thought that this was because it was not possible to be certain about the identity of the individual.

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".

"To be certain about the safety of these products," Dr. Au said, "they must be tested individually and in pure form to assess the health risk to consumers".

For this reason, the "mathematical artefacts" of extinction estimates were not sufficient to be certain about the current state of extinction, said MacLeod.

We know that some of the red was once yellow, but I'm not sure that we can be certain about the proportions.

The receipt was on the screen again on Monday as defense lawyers cross-examined Mr. Low, who acknowledged that he could not be certain about the provenance of the receipt.

Hardly anything is certain about the Mets' off-season plans.

Even today, nobody is certain about the effectiveness of altitude training.