at work
Idioms-
Engaged in a job or other activity, as in The contractor is hard at work on the new building , or The little boy was fascinated to see the washing machine at work . [Early 1600s]
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At one's office or other place of business, as in Is it all right if I telephone you at work ? [Late 1800s]
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.