pertinacity
🇺🇸
/ˌpɜːrtnˈæsəti/
🇬🇧
/ˌpɜːtɪˈnæsəti/
when someone keeps trying to do something, even if it is hard
She showed her pertinacity by finishing the marathon, despite her injury.
儘管受了傷,她還是堅持完成了馬拉松比賽,顯示了她的堅持不懈。