crafty

crafty
adj (-ier, -iest) (usu derog 通常作贬义) clever in using indirect or deceitful methods to get what one wants; cunning 诡计多端的; 狡猾的
    a crafty politician 老奸巨猾的政客
    He's a crafty old fox. 他是一只狡猾的老狐狸.

牛津英汉双解词典