(a person or thing that causes) a feeling of strong dislike or of not wishing to do something

I felt an instant aversion to his parents. 我立刻对他的父母产生了反感。

She has a deep aversion to getting up in the morning. 早上她很不愿意起床。

Greed is my pet aversion (= the thing I dislike most of all). 我最痛恨贪得无厌。