learn (one's) lesson

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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 one's lesson

Profit from experience, especially an unhappy one. For example, From now on she'd read the instructions first; she'd learned her lesson. Also see hard way.
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
References in classic literature ?
For my father's sake I tried hard to learn my lessons, for I could see that he was spending his last kopeck upon me, and himself subsisting God knows how.
"She says I wo'n't learn my lessons. And I tells her, over and over, I ca'n't learn 'em.
"Then learn from me, not to judge by appearances: I am, as Miss Scatcherd said, slatternly; I seldom put, and never keep, things, in order; I am careless; I forget rules; I read when I should learn my lessons; I have no method; and sometimes I say, like you, I cannot BEAR to be subjected to systematic arrangements.
I'm just going to learn my lesson from what I did at the Players and apply it this time and come back when I'm 100 percent," he said.
"Maybe these events happened so that I could learn my lesson. I would like to forget what happened to me over the last two years.