Gerçek onun hakkında bir şey bilmememdir.
- The truth is that I don't know anything about it.
Seni bilmem ama ben bugün oldukça iyi hissediyorum.
- I don't know about you, but I feel pretty good today.
I dunno the answers to any of those questions, and you dunno and he dunno either.
... grandchildren do not know how to read cursive writing ...
... But, how do they not know it? ...