tenacity
noun/təˈnæsəti/
/təˈnæsəti/
[uncountable] (formal)- the quality of not giving up something easily; the quality of being determined
坚韧：不轻易放弃的品质；被确定的质量 - They competed with skill and tenacity.
他们竞争靠的是技术和顽强意志。
- They competed with skill and tenacity.