Tā chī yī qiàn zhīhòu, zài yě bù qīngyì xiāngxìn mòshēngrén le.
After his setback, he no longer trusted strangers easily.
Tips
usage
吃一堑 is the first half of the proverb 吃一堑，长一智 — literally 'fall into one moat, gain one wisdom'. 堑 (qiàn) means moat or pit. Often used alone to mean 'learn from a mistake'.
