沉湎于

I was wallowing in the luxury of the hotel.

我沉湎于旅馆豪华奢侈。

She wallows in nostalgia for the past.

她沉湎于对过去。

So take advantage of the moonless skies in the evenings this week, and go stargazing.

所乘这个星期夜晚没有月亮，尽情自己沉湎于星辰吧。

They abandon themselves to drinking.

他们沉湎于饮酒。