hard-working
US /ˌhɑːrdˈwɜːr.kɪŋ/
UK /ˌhɑːrdˈwɜːr.kɪŋ/

1.
rajin, pekerja keras
tending to work with energy and commitment; diligent.
:
•
She is a very hard-working student.
Dia adalah siswa yang sangat rajin.
•
The team is composed of hard-working individuals.
Tim ini terdiri dari individu-individu yang rajin.