Definition: not sincere Level: C2
他们的欢快显得勉强而做作。
Their cheerfulness seemed strained and ___artificial.
她的关心让人觉得勉强而虚伪。
Her concern felt forced and ___artificial.
他的道歉听起来很虚伪，没能说服任何人。
His apology sounded ___artificial and failed to convince anyone.
