tenacity
n. 顽强，执着，坚持；黏性
例句
They competed with skill and tenacity.
他们竞争靠的是技术和顽强意志。
《牛津词典》
One person must prepare for it with the same tenacity and quickness as one does for a fencing tournament or a chess match.
一个人必须像参加击剑比赛或国际象棋比赛那样，以同样的坚韧和敏捷来准备。
Talent, hard work and sheer tenacity are all crucial to career success.
才能、勤奋和百分之百的执著对事业成功都是至关重要的。
《柯林斯英汉双解大词典》
