My steady girlfriend of 8 months is in her room, didn't want to come over.

我8个月的稳定的女友在她的房间，不想过来。

Today, my dad told me he was planning to have his steady girlfriend over for dinner.

今天，我父亲告诉我说他打算请已经确定关系的女友来家里吃饭。

As for satisfying those not-so-innocent late-night desires, this lady adheres to her role as steady girlfriend.

为了满足那些不很单纯的晚上的需要，这个女士像真的女友依附着主人。

My steady girlfriend eventually took me back – though our relationship had lost the lovely purity of its earlier years and would soon end forever.

我稳定的女朋友最终背叛了我，尽管我们的关系已经失去了它早期的爱情纯洁性，很快永远的结束了。