put one's best foot forward

put one's best foot forward idiom
Try for the best possible impression, make a good start, as in Come on, let's put our best foot forward for this interview. The allusion in this idiom is unclear, though it may concern marching. One theory is that best foot means “the right foot,” the left being regarded as unlucky. [Late 1500s]

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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