femme fatale
A mysterious and attractive woman who puts men in dangerous or compromising situations. James Bond is always able to see through the evil plot of the femme fatale.
(be) a ˌfemme faˈtale
(from French) a beautiful woman that men find sexually attractive but who brings them trouble or unhappiness: The movie follows the relationship between sexy femme fatale Suzy and young lawyer Jim, which eventually leads to a murderous crime of passion.The meaning of the French expression is ‘disastrous woman’.