be not to know(redirected from been not to know)
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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