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from the horse's mouth
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Idioms and Phrases
From a reliable source, on the best authority. For example, I have it from the horse's mouth that he plans to retire next month . Also put as straight from the horse's mouth , this expression alludes to examining a horse's teeth to determine its age and hence its worth. [1920s]Advertisement
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
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