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.
... Of course, most of these people don't know that. ...
... So subsistence farmers don't know what weather conditions ...