persevere

1. V-I If you persevere with something, you keep trying to do it and do not give up, even though it is difficult. 坚持不懈

This ability to persevere despite obstacles and setbacks is the quality people most admire in others. 这种不管障碍和挫折的锲而不舍的能力是人们最为钦佩的品质。

...a school with a reputation for persevering with difficult and disruptive children. …一所因坚持不懈地教诲难管捣蛋的学生而闻名的学校。