devious

1. ADJ If you describe someone as devious you do not like them because you think they are dishonest and like to keep things secret, often in a complicated way. 狡诈的[表不满]

Newman was certainly devious, prepared to say one thing in print and something quite different in private. 纽曼确实狡诈，随时都能当众说一套，私下说一套。