sink (one's) teeth into (something)

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sink (one's) teeth into (something)

To start doing or become involved in something with one's utmost energy, determination, or enthusiasm. I'm always looking for a great book to sink my teeth into. I've got a new project I'd like you to sink your teeth into.
See also: sink, teeth

sink one's teeth into

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]
See also: sink, teeth

sink (one's) teeth into

Informal
To undertake an endeavor energetically: She sank her teeth into the challenging project.
See also: sink, teeth