[mass noun]the tendency to derive pleasure, especially sexual gratification, from one's own pain or humiliation 受虐狂,性受虐狂;自虐倾向 ■(in general use) the enjoyment of what appears to be painful or tiresome 以苦为乐 isn't there some masochism involved in taking on this kind of project?. 接受这种工程岂不是有点以苦为乐的意味?。