1. They had a single aim, a solitary goal-the top!
    他们有一个目的, 唯一的目标就是登上顶峰.

2. They had a single aim, a solitary goal----the top!
    他们只有一个目标，唯一的目标 -- 顶峰！

3. The solitary hunter or explorer needs no one as they venture out among the deer and wolves to tame the great wild areas.
    孤独的猎人，孤独的探险者，在鹿群和狼群中间冒险，去征服广袤的荒野，这时他们并不需要有人陪伴。

4. A hermit leads a solitary existence.
    隐士都过着孤独的生活。

5. Yon solitary Highland lass!
    那孤独的苏格兰高地姑娘！