be acqainted with ...的用法和樣例：
例句
- I wonder if this picture can be restored.
我很想知道這幅畫能否修復。 - She knew him to be industrious and clever.
她知道他既勤奮又聰明。 - I understand her to be a distant relation of his.
據我了解，她是他的一位遠親。 - The foreigners are unacquainted with our custom.
這些外國人不了解我們的風俗。 - Mark is trying hard to get off with the new typist.
馬克正極力想結識新來的打字員。 - He picked up with a bad bunch of people.
他結識了一夥壞人。
