他的微笑具有欺骗性，实际上他非常生气。

His smile was ___deceptive, as he was actually very angry.

那个网站的优惠活动看起来很诱人，但实际上是一种欺骗性的营销手段。

The website's discount offer looks attractive, but it's actually a ___deceptive marketing tactic.