cut your teeth on 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.

cut your ˈteeth on something

learn or gain experience from something: It was a small experimental theatre company and many of today’s most successful actors cut their teeth there.
See also: cut, on, something, teeth
Farlex Partner Idioms Dictionary © Farlex 2017
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