learn (your) lesson

to learn something useful about life from an unpleasant experience.

I'm never going to mix my drinks again - I've learnt my lesson.

• walk on air
• walk on eggshells
• walk out
• walk out on
• walk out on someone
• walk out on something
• walk someone through
• walk someone through something
• walk tall
• walk the plank
• walk the walk
• walk through
• walk through something
• Walls have ears.
• wall-to-wall
• wandering hands
• want for
• want for something
• want to bet
• want to curl up and die
• ward off
• ward off someone
• ward off something
• warm someone up
• warm the cockles of heart