cut teeth on

cut (one's) teeth on

To learn or do as a beginner or at the start of one's career.

Name	Pronounced	Usage
Jerneja	-	Slovene
Gundahar	-	Ancient Germanic, Germanic Mythology
Victorius	-	Late Roman
Zlata	-	Croatian, Serbian, Slovene, Macedonian, Czech, Slovak, Russian
Anica	-	Slovene, Croatian, Serbian
Anatoly	ah-nah-TO-leey	Russian