Stillwaters are often more difficult during the winter, particularly if the water goes clear.

But they often pull 90-hour work weeks, making their family life difficult during the two-year tour.

She said it would have been difficult for investigators to sort through the 14-volume record of the case during the 30-day review.

But it was difficult, during the debate in the 1990's, to know what the Iraqi people really thought.

Their jobs are physically difficult, especially during the winter cold.

Conditions at the fort were difficult during the winter of 1860-61.

The silent black hours before dawn are often the most difficult during a race.

Breathing was difficult, especially during physical labor such as mining.

Things must have been difficult for them during the war.

It was not only his staff who found Charles difficult during this period.