1.   After a strenuous climb, the first amputations were made, the rotten wood partly lowered to the ground to avoid uncontrolled damage to surrounding woodland.

2.   Despite the fairly strenuous climb to this lodge building we were delighted with our spacious, comfortable room, which had a small sitting area.

3.   One of its best-known feats as a group was a strenuous climb up Monument Mountain in Massachusetts, resembling the publicized touch football at Hyannis Port.

4.   These pickets are reachable to an enemy only after a strenuous climb and then a frontal assault, a near-hopeless task in such thin air.

5.   Thus it reaches great depths mostly by gliding effortlessly, saving its oxygen stores for the strenuous climb back to the surface.