Cut_a_tooth -

: "The baby is crying because she’s cutting her first tooth". Figurative Idiom: "Cut one's teeth on"

As an idiom, to something means to gain your first experience or learn basic skills in a particular field, often through a specific project or job. It suggests a foundational period of learning that prepares you for more advanced work. cut_a_tooth

: To "pay your dues," "earn your stripes," or "get your start". Cultural and Artistic References : "The baby is crying because she’s cutting