【不安于室】〖bù n yú shì〗[a woman who is unfaithful to her husband; have extra-marital relations]

不务正业乱勾引，

安心一铺荒谬伦。

于飞之乐床异梦，

室怒市色人神愤。

指已婚妇女又乱搞男女关系。Refers married women engage promiscuous sexual relations.同：红杏出墙。