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

1.
laborioso, diligente
tending to work with energy and commitment; diligent.
:
•
She is a very hard-working student.
È una studentessa molto laboriosa.
•
The team is composed of hard-working individuals.
Il team è composto da individui laboriosi.