In 1970 an opportunity came Cuckney's way which offered the kind of unusual challenge he has always relished.

Other lawyers said the pain and suffering claims based on Sept. 11 present unusual challenges, particularly for applications under the government fund.

Both the children and the chess posed unusual challenges.

Both the prosecution and defense will face an unusual challenge this week when they give closing arguments.

For the probation officers involved in the surveillance, the operation presented some unusual challenges.

What made this challenge unusual and original, however, is first the distance, of nearly seven miles; most such events are inner-city only.

Despite the unusual challenges in their marriage, Manis is happy.

He also undertook another challenge, more unusual for a campus chief: acting in musical theater.

Running a radio station from the middle of an airfield posed some unusual challenges.

Working along the hostile Scottish coast, they faced unusual challenges of time and place.