learn your lesson

US /lɜrn jʊər ˈlɛsən/
UK /lɜrn jʊər ˈlɛsən/
"learn your lesson" picture
1.

retenir la leçon, apprendre de ses erreurs

to suffer a bad experience and understand from it not to do the same thing again

:
After losing all his money, he finally learned his lesson about gambling.
Après avoir perdu tout son argent, il a finalement retenu la leçon sur le jeu.
If you don't study, you'll fail the exam and learn your lesson the hard way.
Si tu n'étudies pas, tu rateras l'examen et tu retiendras la leçon à tes dépens.