Or Disingenuous或缺乏诚意
disingenuous a不老实的
A Disingenuous Excuse诡诈借口
a disingenuous guy无诚意的人
dishonest disingenuous insincere unfaithful untruthful不诚实的
disingenuous - less than honest无诚意的
ADJ（形容词） Someone who is disingenuous is slightly dishonest and insincere in what they say. 不真诚的 [正式]
It would be disingenuous to claim that this is great art.
称其为伟大的艺术品就有些不真诚了。
ADV（副词） disingenuously
He disingenuously remarked that he knew nothing about strategy.
他假惺惺地评论说自己对战略一窍不通。