be acqainted with ...的用法和样例：
例句
- I wonder if this picture can be restored.
我很想知道这幅画能否修复。 - She knew him to be industrious and clever.
她知道他既勤奋又聪明。 - I understand her to be a distant relation of his.
据我了解，她是他的一位远亲。 - The foreigners are unacquainted with our custom.
这些外国人不了解我们的风俗。 - Mark is trying hard to get off with the new typist.
马克正极力想结识新来的打字员。 - He picked up with a bad bunch of people.
他结识了一伙坏人。
