His work had been unclear to her, and in a way still was.

"That's a little bit unclear in the law since we usually don't care where the person goes," he said.

"I may have been a little unclear in my orders."

It's led to our understanding a number of diseases about which we were quite unclear in the past.

Perhaps they will be unclear in the complexities of particular cases.

It is often unclear in what context a model should not be applied.

There had been nothing unclear in the rest of it, however.

However, the nature of this relationship remains unclear in most instances.

Too much is unclear and uncertain in these talks, with so little time left.

He could still learn much that was unclear in this case.