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