pervy
adjective mainly UK informal disapproving uk/ˈpɜː.vi/ us/ˈpɝː.vi/
有(性)怪癖的,变态的
(of sexual behaviour or interests) considered strange and unpleasant by most people
Some pervy guy tried to put a camera in the women's changing rooms. 有个变态的家伙居然想在女更衣室里装个摄像头。