ㄌㄩˇㄅㄞˋㄌㄩˇㄓㄢˋlǚbài‑lǚzhàn

屡败屡战
  1. 屢次遭受失敗仍然努力不懈 屢敗屢戰百折不撓成功」、秉持屢敗屢戰精神苦讀終於考取律師執照」。

to keep on fighting despite continual setbacks (idiom)​