make no mistake

make no mistake idiom
Have no doubt, certainly, as in Make no mistake—I'll vote Republican no matter who runs. [Mid-1800s] Also see get someone wrong.

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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