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.
See also: know, not, to
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.

be not to ˈknow

have 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.’
See also: know, not, to
Farlex Partner Idioms Dictionary © Farlex 2017
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References in classic literature ?
'And what I was going to tell you, sir,' said Little Dorrit, trembling in all her little figure and in her voice, 'is, that I am not to know whose generosity released him--am never to ask, and am never to be told, and am never to thank that gentleman with all MY grateful heart!'
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