let know

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let (one) know

To tell or inform one (of or about something). Be sure to let me know if anything changes between now and then. I let the boss know about the development yesterday.
See also: know, let

let someone know (about something)

to tell someone something; to inform someone of something. Please let me know about it soon. Will you be coming to the picnic? Please let me know.
See also: know, let
References in periodicals archive ?
We stuck a little label on the balloons saying, "My name is James Gourley and it's my daddy's birthday today and we are letting these balloons off and could you be so kind as to let know where they land".
Likewise, Matthew, if you're reading this then we want to let know that you are not in trouble in any way but please let us know that you're okay.
When I did my first attempt he listened to it then came back with comments then we all went to his you let know house with G-Eazy and he said, 'This is the direction we are heading in'.
But nonetheless, we are still outsiders, and we are let know that we are outsiders.
He said that he had just been let know that Cricket Australia wants him to come and score plenty of runs in the Ryobi Cup.
and let know all about letters to Dave Golden Echo Hall Street, 3EB or email liverpool.