strong-willed
US /ˌstrɔŋˈwɪld/
UK /ˌstrɔŋˈwɪld/

1.
berkemahuan keras, tegas
determined to do what one wants even if other people advise against it
:
•
She is a very strong-willed person who always achieves her goals.
Dia seorang yang sangat berkemahuan keras yang sentiasa mencapai matlamatnya.
•
Despite the challenges, he remained strong-willed and never gave up.
Walaupun menghadapi cabaran, dia kekal berkemahuan keras dan tidak pernah berputus asa.