falsely
adv. 错误地;虚伪地;不实地
例句
She smiled falsely at his joke.
她听了他的笑话假装笑了。
《牛津词典》
They smiled at one another, somewhat falsely.
他们相互微笑,有点假惺惺地。
《柯林斯英汉双解大词典》
Thou wast under oath, and so swore falsely when thou saidst the value was but eightpence.
你是发过誓的,所以当你说那值八便士的时候,你就起了假誓。