A woman who has a continuing sexual relationship with a usually married man who is not her husband and from whom she generally receives material support.
情妇与通常是已婚但又不是自己丈夫的男子保持长久的性关系,并从他那里得到物质支持的女人
The dearest object to a married man should be his wife but it is not infrequently her clothes.
对已婚男人说来,最宝贵的东西应是他的娇妻,但往往那是她的衣裳。
She's seeing (ie having a relationship with) a married man.