锲而不舍 (qiè ér bù shě): Keep on chipping away (verb/idiom) — Meaning & Stroke Order

He practiced with perseverance and finally mastered this skill.

If you hadn't had the perseverance, would you have insisted on completing this project back then?

Learning English requires a spirit of perseverance and not giving up easily.

He is not lacking in talent, but rather lacks a persevering and steadfast heart.