I don't really know.

I don't really know.
I don't really know.

I don't really know.
我不是很清楚

就是I don't know really我真的不知道

我不很确切知道

我知道，但不是很完全！

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你在捉弄我们吗....
让大家都回答"不知道"?
OTZ...如果误会了那对不起了...
如果真的是这样....LZ太聪明了..............