A mephistophelian glint in his eye.他眼睛里露出冷酷的神色....

adj.冷酷的，险恶而狡猾的...

Mephistophelian的音标：Mephistophelian的英式发音音标为：[ˌmefɪstə'fi:liən]Mephistophelian的美式发音音标为：[]...