play by ear
Idioms-
Play a musical instrument without the aid of written music, as in By the time she was four, she could play a dozen songs by ear . [Late 1600s]
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play it by ear . Proceed gradually, depending on the circumstances; improvise. For example, I'm not sure how much we should say about our plans, so let's play it by ear . [Mid-1900s]
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.