look sharp(redirected from looking sharp)
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To pay attention; to be vigilant. Look sharp, or you'll get hit in the head with a soccer ball! Look sharp! There's a hole up ahead!
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.
look sharpbe quick.
1953 Margaret Kennedy Troy Chimneys I had…begun an idle flirtation with Maria, … then, perceiving that I should be caught if I did not look sharp, I kept out of her way.