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3. sink teeth into

sink teeth into

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sink your teeth into something

to start to do something with a lot of energy and enthusiasm She'd only had small parts in films and was hoping for a bigger, more interesting part, something she could sink her teeth into. It's a really exciting project – I can't wait to sink my teeth into it.

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