Sink your teeth into

Meaning

Engage deeply with a task or subject.

Usage

Used when excited to plunge into work.

Origin & History

Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.

Animal imagery of biting into sustenance eagerly.

Used since at least the 19th century among writers about work ethic.