The idiom "cut your teeth on something" means to gain experience or learn how to do something by doing it repeatedly. It is often used to describe a person who has become skilled at something through practice or experience.
For example, if someone says "I cut my teeth on sales by working at a retail store," it means that they gained experience and learned how to sell products by working at the store for a long time.
The phrase "cut your teeth" comes from the idea of a baby cutting their teeth while they are growing up. Just as a baby learns to eat solid food by cutting their teeth on it, a person can learn a new skill by practicing it repeatedly.
Overall, the idiom "cut your teeth on something" is used to describe someone who has become skilled at something through practice and experience.
• She cut her teeth on journalism by working as a reporter for a local newspaper.
• He cut his teeth on diplomacy by serving as an ambassador for his country in different nations.
• She cut her teeth on programming by writing simple codes.
• I cut my teeth on learning the alphabet when I was a child.
• He cut his teeth on public speaking by presenting in small gatherings.
• They cut their teeth on entrepreneurship by starting a small business in their college days.