몫이지

is …’s part or responsibility

→ 몫
phrase Rare #27,774
is …’s part or responsibility 몫 means a share, part, or responsibility. 이지 makes a conversational statement, often with an explanatory or emphatic tone.
KO: 이건 네 몫이지.
EN: This is your responsibility.

그건 당신 같은 작가의 몫 이지

That’s the job of a writer like you.

— 무간도 (2002)

이게 너희들 몫 이지!

This is your part!

— 7인의 사무라이 (1954)