아니면 내가

or I'll

→ 아니면
phrase Rare #16,178
or I'll Introduces an alternative involving the speaker, often meaning “otherwise, I'll...” Depending on context, it can sound like a suggestion, offer, warning, or threat.
KO: 아니면 내가 도와줄까?
EN: Or should I help?

아니면 내가 죽여버릴 거 야

Otherwise, I'll kill you—

— 극장판 귀멸의 칼날: 무한성편 (2025)

아니면 내가 걷어 줄까?

Or should I kick you?

— 미인어 (2016)