wily
adjective uk/ˈwaɪ.li/ us/ˈwaɪ.li/
（人）狡猾的，诡计多端的
(of a person) intelligent, having a very good understanding of situations, possibilities, and people, and often willing to use tricks to achieve an aim
a wily politician 狡猾的政客
Synonyms: clever cunning slick (SKILFUL)tricky
See: wiles