in the know

adv. 知内情的

例句与用法：

None of the students except Jim is in the know of the exam.

除了吉姆，学生们谁都不知道考试的事。

I'm sure the information I have given you is correct, for it was told me by someone who is in the know.

我可以肯定我给你的情报是可靠的，因它是一个知内情的人告诉我的。

详细释义：

知情的

We are not in the know on the project.

我们对这项计划不知情。