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
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

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
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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
Farlex Partner Idioms Dictionary © Farlex 2017
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References in classic literature ?
It was a bitter experience, but I learned my lesson. I was different from my kind.
These old bones of mine are fragile, and I've learned my lesson. God knows I don't want to spend my last days in an insane asylum."
Come the 2016 Cox Plate, I had not learned my lesson and backed Vadamos, who arrived at Moonee Valley on the back of a Group 1 second to Ribchester - beaten less than a length - and a comfortable Chantilly Group 1 victory.
Winx is a superstar - and I have learned my lesson!
On the morning talk show "Live With Kelly and Michael," Franco said Friday that he used "bad judgment" and "learned my lesson."
Outside Highbury magistrates court the star, now pursuing a solo career, said: "I have learned my lesson. Mobile phones must be used safely."
"I learned my lesson. It's not very much fun when you break up in a public relationship," the Daily Star quoted Lovato as telling People.com.
I have learned my lesson because I didn't like being drunk and I was very sick and thought I was going to die.
He said: ``In the past I have played for both Wales and United when my knee was not 100 per cent and I haven ow learned my lesson.''
Needless to say, I have learned my lesson well: BE is a welcome part of my life!
I've learned my lesson and I'm definitely not going back to London again."
In the past I have played for both Wales and United when this has not been the case and I have now learned my lesson.