be in the dark about

• 完全不知道

be in the dark about的用法和样例：

例句

1. I was in complete ignorance of his intentions.
   我完全不知道他的意图。
2. You have no conception of what it was like to be there.
   你完全不知道在那里是什么滋味。
3. The public was kept in the dark about the deal.
   关於这场交易公众被蒙在鼓里。