hard-working

US /ˌhɑːrdˈwɜːr.kɪŋ/
UK /ˌhɑːrdˈwɜːr.kɪŋ/
"hard-working" picture
1.

勤勉な, 働き者の

tending to work with energy and commitment; diligent.

:
She is a very hard-working student.
彼女はとても勤勉な学生です。
The team is composed of hard-working individuals.
チームは勤勉な個人で構成されています。