Я не знаю, была ли мисс Ингрэм гением, но самоуверенной она была в высшей степени.

I cannot say (whether he will come; придёт ли он); I couldn't say (whether he will come; придёт ли он); for aught I know (понятия не имею); don't know (gennier); I can't tell (Franka_LV); I don't know; actually, I don't know (actually – expletive (filler word) MichaelBurov); I actually don't know (actually – expletive (filler word) MichaelBurov); I don't actually know (actually – expletive (filler word) MichaelBurov); I don't know, actually (actually – expletive (filler word) MichaelBurov)

ah dinnae ken (источник: YouTube video "Gerard Butler Teaches You Scottish Slang SergeyLetyagin)

I have no clue. (Johnny Bravo)

I didn't know! (learningenglish)

I wouldn't know ("[Our cook] Luigi was a stone cold killer back in the day." "I wouldn't know.")

Я не знаю

: 384 phrases in 16 subjects


я не знал
gen.	I wouldn't know
я не знал!
gen.	I didn't know!
я не знаю
gen.	I cannot say; I couldn't say; for aught I know; don't know; I can't tell; I know not
Makarov.	I don't know