cut (one's) teeth

To gain experience with something, especially at a young age (when one's teeth would be coming in). Oh, I cut my teeth on those kinds of equations! Give me a challenging problem for a change! Jen may be young, but she cut her teeth at a prestigious journal, so her perspective and expertise will be invaluable to us.

Common Names:

Name	Pronounced	Usage
Antonia	ahn-TO-nyah (Italian, Spanish), an-TON-ee-ə (English), ahn-TO-nee-ah (German, Dutch), ahn-TAWN-yah (Polish)	Italian, Spanish, English, German, Swedish, Norwegian, Danish, Dutch, Polish, Romanian, Ancient Roma
Su-Jin	soo-jeen	Korean
Rudolph	['ru:dɔlf]
Immacolata	-	Italian
ArtŪRs	-	Latvian
Asen	-	Bulgarian