phrasal
1. : bite
pleasure of sinking one's teeth into a succulent apple — W.F.Hambly
2. : to deal directly with as a reality or a concrete matter explicitly set forth : to treat with as something substantial — usually used with into
stories such as a man can sink his teeth into — Richard Joseph
approach that can change an ethereal abstraction into meat and potatoes that people can sink their teeth into — S.L.Payne