perseverance
n. 毅力，不屈不挠的精神
例句
He has never stopped trying and showed great perseverance.
他从末停止努力，表现出了极大的毅力。
《柯林斯英汉双解大词典》
For him to win the game like that is a testament to his perseverance.
他能赢得那样的比赛证明了他的毅力。
The only way to improve is through hard work and dogged perseverance.
要更上一层楼，唯一的途径就是艰苦奋斗，不屈不挠。
《牛津词典》
