I keep getting obscene phone calls from some sick pervert.我老是收到某个性变态的家伙打来的下流电话。She says her boyfriend is a little kinky.她说她男朋友有些性变态。The novels of the Marquis de Sade deal with sexual perversion.萨德侯爵所著的那些小说描写的是性变态的内容。I've heard he's a bit kinky.我听说他有点儿性变态。