Her husband has an affair with some woman.

她丈夫有外遇。

讲解：

在美剧《绝望主妇》中,有这么一句Have an affair with

《绝望主妇》"Have an affair with"常用来形容“韵事”、“关系不长久的恋情”，"婚外性关系”“有外遇”。

eg：Joni feels that her husband has an affair with some woman.

琼尼感觉到丈夫和别的女人外遇。