VERB
堅持不懈；鍥而不舍
If you persevere with something, you keep trying to do it and do not give up, even though it is difficult.
例句
...his ability to persevere despite obstacles and setbacks.
他鍥而不舍、百折不撓的勁頭兒
...a school with a reputation for persevering with difficult and disruptive children...
因對搗亂難管的學生不離不棄而聞名的學校