1.   The missile would have to have been fired from a boat, a still more difficult maneuver.

2.   He would watch a coach or player demonstrate a difficult maneuver, then he would try it himself.

3.   But it is a difficult maneuver, and he developed a momentary hitch in his stride.

4.   But older people also try to compensate by driving less, avoiding rush hour and difficult maneuvers.

5.   It is a common warmup for more difficult maneuvers.

6.   Instead of programs packed with difficult maneuvers designed to leave judges drooling, skaters opted for simpler and safer program elements.

7.   It was not so much stumbles as it was dropping the difficult maneuvers under stress.

8.   It was the first time a woman completed the difficult arial maneuver in competition.

9.   Leaping from long hems to short is a difficult maneuver, and both Ms. Versace and Ocimar Versolato tried to span both sides.