you live and learn
成語所屬單字learn
you live and learn — 慣用語
1. Used to express surprise when you hear something new or unexpected.
1.慣用語
釋義
活到老學到老
Used to express surprise when you hear something new or unexpected.
例句
You live and learn — I never knew octopuses have three hearts.
Well, you live and learn; I thought all bats were blind.