get/sink your teeth into something

get your teeth into something

or

sink your teeth into something

COMMON If you get your teeth into something or sink your teeth into it, you do it with a lot of energy and enthusiasm. We've not had an interesting legal case to get our teeth into for weeks. I like a nice substantial project to sink my teeth into.
See also: get, something, teeth

get (or sink) your teeth into

work energetically and productively on (a task).
See also: get, teeth

get/sink your ˈteeth into something

(informal) put effort and enthusiasm into something that is difficult enough to keep you interested: This job is too easy. Why can’t they give me something I can really get my teeth into?
See also: get, sink, something, teeth