wallow in something
phrasal verb with wallow verb [ I ] uk/ˈwɒl.əʊ/ us/ˈwɑː.loʊ/
(ENJOY)
纵情享受;放纵于
to allow yourself to enjoy something completely
My idea of a holiday is to stay in a five-star hotel and just wallow in luxury for a week. 我的假期设想是预订一家五星级的酒店，纵情享受奢华的一周。
(REMAIN UNHAPPY)
沉湎于，陷于
to remain in an unhappy emotional state without trying to get out of it, as if you are enjoying it or trying to get sympathy from other people
I wish she'd do something to help herself instead of just wallowing in self-pity! 我希望她能做一些自助的事，而不是沉湎于自怨自艾之中！