to increase one's knowledge by experience. (Also informal and folksy. Usually said when one is surprised to learn something. Fixed order.) • I didn't know that snakes could swim. Well, live and learn! • John didn't know he should water his houseplants a little extra in the dry winter months. When they all died, he said, "Live and learn."
live and learn|learn|live
You learn more new things the longer you live; you learn by experience. A proverb. "Live and learn," said Mother. "I never knew that the Indians once had a camp where our house is."Janet made her new dress from cheap cloth, and when she washed it, it shrank and was too little. Live and learn.