If you describe someone as devious you do not like them because you think they are are dishonest and like to keep things secret, often in a complicated way.
例句
Newman was devious, prepared to say one thing in print and another in private...纽曼阴险得很，明里一套，暗里一套。By devious means she tracked down the other woman.她通过不正当的手段追查到了另外那个女人。
ADJ-GRADED
（路线或道路）曲折的，迂回的
A devious route or path to a place involves many changes in direction, rather than being as straight and direct as possible.
例句
He followed a devious route.他走了一条迂回路线。
英英词典释义
Noun
1. the quality of being oblique and rambling indirectly