be not to know(redirected from am not to know)
be not to know
To not be able to know something in advance. We aren't to know the path that life will take us on.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
be not to ˈknowhave no way of realizing or being aware that you have done something wrong: ‘I’m sorry I called when you were asleep.’ ‘Don’t worry — you weren’t to know.’
Farlex Partner Idioms Dictionary © Farlex 2017