get one's teeth into
idiomPart oftooth
get one's teeth into — idiom
1. to start doing something with a lot of energy and enthusiasm, especially somethi
1.idiom
Definition
to start doing something with a lot of energy and enthusiasm, especially something that is challenging or interesting enough to hold your attention.
Example
The research project was complicated, and Ezra was excited to finally get his teeth into it.
After two weeks of training, the new team finally got their teeth into the real work.