vulpine
/ˈvʌlpaɪn/adjective
1- of or relating to a fox or foxes（与）狐狸（有关）的。
1.1
- crafty; cunning狡诈的, 诡计多端的, 狡猾的：
Karl gave a vulpine smile.
卡尔露出了狡黠的微笑。
词源
early 17th cent.: from Latin vulpinus, from vulpes 'fox'.