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sink one's teeth into

Idioms  

  1. Also, get one's teeth into. Become fully engaged in, as in He couldn't wait to sink his teeth into that problem. This metaphoric expression alludes to an animal biting vigorously into its prey. [Early 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.

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