They're going to die. Bree Van de Kamp living in sin.
她们会吓坏了的 Bree Van de Kamp和某人同居了。
绝望的主妇视频版 第6季
Living in sin suits us just fine.
同居很适合我们。
刀锋（上）
" Uncle Elliott says you've got an apartment and are living in sin with an artist's model" .
“埃利奥特叔叔说你有一套公寓，并且和一个艺术家的模特一起生活在罪恶之中”。
英语百科
Living in Sin
Living in sin and similar can mean:
This phrase arises from the idea that legal marriage is a prerequisite for conjugal relationships. Popularly associated with the attitude of the church, the term connotes a belief that such behaviour is sinful.