But he also warned, "We cannot rule out two other, more worrisome possibilities."

However, we cannot rule out two other, more worrisome possibilities.

And he doesn't exempt himself from the worrisome possibility of having begun making Bergman films.

But along with the excitement of a new species was the worrisome possibility of new diseases.

The most worrisome possibilities were fighting the sultan either unarmed or with a kris, which would be risky both physically and politically.

A second and worrisome possibility, however, is that by eliminating the agreement option, some communities may react by delaying the implementation of any housing plan.

That was good, he thought, as it seemed to exempt him from the worrisome possibility of Translation.

Still, one remote but still worrisome possibility remained.

Perhaps - the most worrisome possibility - the bears simply enjoyed it.

But there were some clouds on her horizon, no bigger than a man's hand yet fraught with worrisome possibilities.