It is necessary to be devious when working as a spy.
James was known for his devious tricks, for finding ways to secretly do what he was not supposed to do.The man was very devious, and was known to steal and talk about people behind their backs.
Terrorists often use devious methods to evade security measures.
he is a little devious boy
Types of English Sentences
Everyday English Idiom - On the Other Hand
How to Say "May I ask, Can you speak English?" in Mandarin
How to Say "Where is the bathroom" in Mandarin