perversion /pəˈvɜːʃən/

• 1. 

  N-VAR You can refer to a sexual desire or action that you consider to be abnormal and unacceptable as a perversion. 性变态 [表不满]

  例：

  The book was the authority on sexual perversions.

  这本书是关于性变态的权威著作。

• 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 [表不满]

  例：

  Critics say that the system is a dangerous perversion of democracy.

  批评家们说，这种体系是对民主的危险的歪曲。