persistence
n. 继续存在，维持；坚持不懈，执意
例句
Skill comes only with practice, patience, and persistence.
只有通过练习、耐心和坚持不懈才能获得技能。
《柯林斯英汉双解大词典》
Sandra was determined to become a doctor and her persistence paid off.
桑德拉决心成为一名医生，她的坚持不懈终于带来了成功。
None can match your sheer will-power and persistence in wearing down the opposition.
在消磨反对派的意志方面，没有人能比得上你那惊人的毅力和恒心。
