get one's teeth into something
get (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 get my teeth into. I'd like you to get your teeth into this new project I'm developing.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
get one’s teeth into somethingand sink one’s teeth into something
tv. to undertake to do something. She’ll do better as soon as she gets her teeth into the task. I can’t wait to sink my teeth into that Wallace job.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.