"other man" in Chinese (Simplified)
情夫第三者（男性）
Definition
指与已婚女性有恋爱或性关系的男性；用于描述婚外情中女性的一方的情夫。
Usage Notes (Chinese (Simplified))
是非正式、常见于八卦、娱乐新闻中的表达，特指与已婚女性有婚外情的男人；不是已婚男子的婚外情对象（那是“第三者”或“情妇”）。
Examples
She left her husband for the other man.
她为**情夫**离开了丈夫。
Everyone was shocked when the other man was revealed.
当**第三者（男性）**被揭露时，大家都很震惊。
He never suspected she was seeing an other man.
他从没怀疑过她在和**情夫**约会。
Rumors spread that she was spending her nights with the other man.
有传言说她晚上都和**情夫**在一起。
He felt betrayed when he found out he was the other man all along.
当他发现自己一直是**情夫**时，他感到被背叛了。
Nobody wants to be called the other man in someone else's marriage.
没有人希望在别人的婚姻中被称为**第三者（男性）**。