cut (one's) teeth in (something)

cut (one's) teeth in (something)

To gain experience with something, especially at a young age. A reference to one's teeth coming in when one is a child. Jen may be young, but she cut her teeth in academic writing, so her perspective and expertise will be invaluable to us.

See also: cut, teeth

Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.