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look sharp

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Get moving, be alert, as in The coach told the team they would have to look sharp if they wanted to win. This colloquial expression, dating from the early 1700s, originally meant “to keep a strict watch” but acquired its present sense in the early 1800s.

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The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

How to use look sharp in a sentence

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