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know better



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Idioms and Phrases

Be able to recognize something as wrong or not possible, as in Mary should know better than to leave her child alone in the house , or Try to get in without a ticket? You know better than that . [c. 1700]
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Example Sentences

Examples have not been reviewed.

If they didn’t, they know better now.

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“They see this as something that can really boost their performance. They all know better performance equals bigger contracts. Better performance means more wins.”

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You have guessed by now that this is a show full of confrontation and secrets and characters generally out of sorts; any happy interlude is liable to lead to an argument, any gathering to a fistfight or someone who should know better shooting their mouth off.

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The scares are clever, particularly a teasing, agonizing bit where one locked-away killer punctures a door with a knife and characters who should know better keep peeping through the hole until we’re itching to shout that their eyes are in stabbing range.

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They know better, and they're not doing anything.

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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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