不知道的英文表达

不知道的英文表达有很多，以下是一些常见的：
1. I don't know. 2. I'm not sure. 3. I'm not familiar with that. 4. I'm not aware of that. 5. I haven't got a clue. 6. I'm not certain about that. 7. That's beyond me. 8. I'm not at all sure. 9. I'm clueless. 10. I'm not in the loop about that.

What is the English translation for "不知道"? Don't know. This is not known. It's not clear. I'm unaware of that.

1. "I'm not aware of that."
2. "I'm not familiar with that."
3. "I haven't heard about that."
4. "I'm not sure what you mean by that."
5. "I'm not knowledgeable about that."
6. "That's not something I'm acquainted with."
7. "I'm not conversant with that."
8. "I'm not in the loop about that."
9. "I'm not privy to that information."
10. "That's beyond my scope of knowledge."