Senses
吃一堑，长一智/ 吃一塹，長一智 to learn from mistakes
Fall into a moat and you'll be wiser next time; an idiom meaning one gains knowledge and experience from suffering a setback or making a mistake.
吃一堑，长一智/ 吃一塹，長一智 a fall in the pit, a gain in wits
to gain wisdom from a setback; one learns from one's mistakes