committed

Từ điển Oxford Advanced Learner 8th

com·mit·ted AW [committed] BrE [kəˈmɪtɪd] NAmE [kəˈmɪtɪd] adjective (approving)
willing to work hard and give your time and energy to sth; believing strongly in sth
•a committed member of the team
•They are committed socialists.
Opp: ↑uncommitted

Example Bank:
•The country was now irrevocably committed to war.
•The president is personally committed to this legislation.
•We are committed to improving services.
•The government remains committed to protecting Green Belt areas.
•We have a highly-motivated, trained and committed staff.