insincere

adj.

不诚恳的；贰心；二心；

1. Don't speak like that. It sounds insincere to me.
   别这样讲话，这样我听起来感到不诚恳。
2. He said sorry to me, but l konw that he was insincere.
   他说他很抱歉，但我知道他毫无诚意。
3. You have to watch out for insincere people.
   你得小心那些虚情假意的人。
4. He wasted his inheritance on his insincere friends.
   他在那些虚伪的朋友身上浪费了自己的遗产。

Insincere Promises
Insincere deliberation and democratic failure
Insincere Promises:The Law of Misrepresented Intent
Insincere Flattery Actually Works: A Dual Attitudes Perspective
Insincere utterances and gaze: eye contact during sarcastic statements.
Insincere Commitments. Human Rights Treaties, Abusive States, and Citizen Activism
Insincere Commitments. Human Rights Treaties, Abusive States, and Citizen Activism
Are Americans insincere? Interactional style and politeness in everyday America
Comprehension of insincere communication in neurodegenerative disease: Lies, sarcasm, and theory of mind
Simultaneous bilateral testing: validation of a new protocol to detect insincere effort during grip and pinch strength testing.