perversion

1. N-VAR You can refer to a sexual desire or action that you consider to be abnormal and unacceptable as a perversion. 性變態[表不滿]

The book was the authority on sexual perversions. 這本書是關於性變態的權威著作。

2. N-VAR A perversion of something is a form of it that is bad or wrong, or the changing of it into this form. 歪曲[表不滿]

Critics say that the system is a dangerous perversion of democracy. 批評家們說，這種躰系是對民主的危險的歪曲。