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English Phrase of the Day

let know



Definitions

English > English
let know
     1. v. (with two objects) To inform (someone) (of something).
           I sent an e-mail to let John know what we found.
           Let me know when you are arriving.
           "I'm not sure which flight I'll be taking." / "Well, as soon as you find out, let me know.".
           He let her know about his plans.
           If anyone has seen him, let us know of his whereabouts.
Analysis
let
     1. v. To allow to, not to prevent (+ infinitive, but usually without to).
           After he knocked for hours, I decided to let him come in.
     2. v. To leave.
           Let me alone!
     3. v. To allow the release of (a fluid).
know
     1. v. To perceive the truth or factuality of; to be certain of or that.
           I know that I’m right and you’re wrong.
           He knew something terrible was going to happen.
     2. v. To be aware of; to be cognizant of.
           Did you know Michelle and Jack were getting divorced? ― Yes, I knew.

Example Sentences

I don't know what the flight times are, but I will call you and let know when we're coming back. 



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