韧劲 (rèn jìn) — tenacity, resilience, stubborn persistence

Definition

Examples

• 他靠着一股韧劲，终于完成了这个项目。
  Tā kào zhe yì gǔ rèn jìn, zhōng yú wán chéng le zhè ge xiàng mù.
  Relying on his tenacity, he finally completed this project.
• 做科研需要韧劲，不能遇到困难就放弃。
  Zuò kē yán xū yào rèn jìn, bù néng yù dào kùn nan jiù fàng qì.
  Doing scientific research requires resilience — you can't give up when you encounter difficulties.
• 她虽然失败了多次，但那股韧劲让她坚持了下来。
  Tā suī rán shī bài le duō cì, dàn nà gǔ rèn jìn ràng tā jiān chí le xià lái.
  Although she failed many times, that tenacity kept her going.