ADJ-GRADED
不诚恳的;虚伪的
If you say that someone is insincere, you are being critical of them because they say things they do not really mean, usually pleasant, admiring, or encouraging things.
例句
Some people are so terribly insincere you can never tell if they are telling the truth...
有些人非常虚伪,你根本说不准他们是否在讲实话。
John found himself surrounded by insincere flattery.
约翰发现自己为虚情假意的奉承阿谀所包围。