Though I came of age in the 1960s when the borderline between "teacher" and "student" became perilously porous, I am not that kind of teacher.

虽然我经历过20世纪60年代——那个“教师”和“学生”间的界线再非牢不可破的年代，我并不是那种老师。

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Friendships of this kind seem to occur most frequently between the elderly, because at their age what they want is not pleasure but utility.

这类友谊似乎在老人之间最为常见，因为上了年纪的人需要的不是愉悦而是实用。

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Anglers in my opinion is over the age of sixty, and the age is great, but walking is very strong and vigorous, not the kind of senile appearance, arms leaving for gear boxes, self-confident look.

钓者的年龄在我看来已过六旬了，年龄虽大，但走起路来很矫健，不像那种老态龙钟的样子，臂膀挎着渔具箱，自信满满的神情。

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