Jīnglì le jǐ cì cuòzhé zhīhòu, tā zhōngyú chénggōng le.
After experiencing several setbacks, he finally succeeded.
Tips
usage
挫折感 (cuòzhégǎn) = sense of frustration. 抗挫折能力 (kàng cuòzhé nénglì) = resilience, the ability to handle setbacks. Both are commonly discussed in Chinese education and parenting contexts.