wiliest
adj. 狡詐的,狡猾的,詭計多端的( wily的最高階 )
If you describe someone or their behaviour as wily, you mean that they are clever at achieving what they want, especially by tricking people.
His appointment as prime minister owed much to the wily manoeuvring of the President.
他之所以被任命為總理,很大程度上是因為總統在陰謀操縱。