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sail under false colors
- To behave deceptively; the “colors” of a ship are its identifying flags: “It turned out that the door-to-door sales rep was sailing under false colors and was actually a swindler.”
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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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