敬业 (jìng yè): dedicated to one's work

Dr. Zhang has practiced medicine for thirty years and has always been dedicated to his work; even on holidays, he often returns to the hospital to check on his patients.

This young teacher is very dedicated to her work; every evening she prepares her lessons carefully, and she even uses her weekends to give extra tutoring to students who are struggling.

He worked at that small company for ten years, and because he was dedicated and reliable, his boss put him in charge of many important matters.

No matter what job you do, as long as you are dedicated to your work, you can achieve extraordinary results in an ordinary position.