每日商務英語 第503期:自以為是的人

goody two-shoes-------自以為是的人

英文釋義
A smug, self-righteous person who is offensively proud of his or her virtue.

例句
As a child my sister was a goody two-shoes who enjoyed telling our parents about my minor misdeeds.
我姐姐小時候自以為是，喜歡把我犯的一些小錯誤告訴我的父母。