열심히 일해서

by working hard

→ 열심히
phrase Rare #17,005
by working hard The ending -해서 connects this phrase to what follows, often expressing how or why something happens.
KO: 열심히 일해서 돈을 모았어요.
EN: I saved money by working hard.

난 열심히 일해서 볼 자격이 충분해

I've worked hard, so I deserve to watch it.

— 400번의 구타 (1959)