learn (one's) lesson

(redirected from learn their lesson)

learn (one's) lesson

To learn through painful experience not to do something, often something one had been warned about or knew might be risky. I told you that you'd feel awful if you drank that much wine. I hope you've learned your lesson. I certainly learned my lesson about buying something from a stranger online.
See also: learn, lesson

learn your ˈlesson

learn what to do or what not to do in the future because you have had a bad experience in the past: I used to carry a lot of money on me, until one day my bag was stolen. Since then, I’ve learned my lesson.
See also: learn, lesson