The defense of peace is a difficult struggle of uncertain duration.

And the next day we sailed on a voyage of uncertain duration to an unknown destination which might, or might not, exist.

Dr. Yang's invisibility herbs are great but of uncertain duration.

Tens of thousands of people are expected to need temporary homes for uncertain durations.

The difficulty lay in the vague nature of trusteeship as a concept and its uncertain duration.

For most such companies, the major capital investment required at the beginning of a process of uncertain duration and outcome seems daunting.

Payne Stewart shot his second straight 78 and announced he will be taking a sabbatical from golf of uncertain duration.

For those unable to double up with friends or family, their new home for an uncertain duration is a boxy, impersonal motel near Interstate 40.

Now they face the prospect of another call-up of uncertain duration - unlike their typical annual two weeks of service.

Shelter against vicious winters of always uncertain duration, Balarat was stuffed to the seams with provisions.