맹세할게요

I'll swear, I'll promise

→ 맹세하다
verb · formal, future tense Rare #25,996
I'll swear, I'll promise A polite form used when the speaker promises or commits to doing something.
KO: 다시는 거짓말하지 않겠다고 맹세할게요.
EN: I swear I won't lie again.
Conjugation of 맹세하다
Indicative future
맹세할게요

맹세할게요

I swear

— 걸리 보이 (2019)

보물 에다 걸고 맹세할게요

I swear on my treasure.

— 반지의 제왕: 두 개의 탑 (2002)