sinful
adjective uk/ˈsɪn.fəl/ us/ˈsɪn.fəl/
有罪过的;不道德的
against the rules of a religion or morally wrong
He confessed that he had sinful thoughts. 他承认曾动过邪念。
Buying that sports car was a sinful waste of money. 买那辆跑车浪费金钱，真是罪过。
informal表面诱人实际有害的
used to refer to something that is very pleasant, but very bad for you
This cake is sinful! 这蛋糕很诱人！