Gerçek onun hakkında bir şey bilmememdir.
- The truth is that I don't know anything about it.
Fark ettin mi, bilmem; ama Tom senin kızına abayı yakmış gibi duruyor.
- I don't know if you've noticed, but Tom seems to have fallen in love with your daughter.
I dunno the answers to any of those questions, and you dunno and he dunno either.
... I don't know if there's any pianists in this room. ...
... is the wrong thing. It doesn't organize well that way. I don't know what does, but I know ...