What does it exactly mean?
I don't know.
or
I think/probably/as far as I know
'for all I know' accompanies a statement that the speaker is unsure about, or perhaps doesn't know at all; he is merely speculating about what might be. I don't know. It's close to this, but as mentioned above, it carries a little more information.
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'for all I know' accompanies a statement that the speaker is unsure about, or perhaps doesn't know at all; he is merely speculating about what might be.
habibaelgindyWhat does it exactly mean?I don't know.
It's close to this, but as mentioned above, it carries a little more information. It says something like I don't know, but I'll make a guess