The author tells of a remarkable encounter with a group of South Vietnamese soldiers.

作者讲述了他与一群南越士兵的惊人邂逅。

a sexual encounter.

一次性经历。

Every day of our lives we encounter major and minor stresses of one kind or another.

生活中的每一天，我们会遇到或大或小的这样那样的压力。

Environmental problems they found were among the worst they encountered.

环境问题是他们发现的所有问题中最严重的。

Did you encounter anyone in the building?

你在那栋大楼里偶然遇到什么人了吗？