The circumstances surrounding Levy's death were unclear for eight years.

The answer, he said, would be unclear for a while.

It is unclear, for example, when he went bad.

I have a feeling that things are going to be unclear and complicated for some time to come.

The classification of this species was unclear for a long time.

It is unclear, for example, whether the Chippewa have the right to hunt on private land.

But the results were unclear for moderate or high-risk heart patients.

In addition it was unclear for most of the time, whether Caesar would receive a public state funeral.

The situation is completely unclear for the local people.

As a consequence their status was unclear for a time.