그렇다면야

if that's the case, then; well, if so

그렇 be so, be that way; be right + 다면 If; conditional + 야 Necessity/condition ending (“must; only if”)
adverb Rare #21,373
if that's the case, then; well, if so Often used conversationally to accept or concede what someone has said.
KO: 그렇다면야 오늘은 여기까지 하죠.
EN: If that's the case, then let's stop here for today.

그렇다면야, 뭐

Well, in that case, sure.

— 가장 따뜻한 색, 블루 (2013)

네가 그렇다면야

If you say so.

— "폭풍의 언덕" (2026)

뭐, 그렇다면야

Well, if that's the case.

— 안드레이 루블료프 (1966)

그렇다면야 집세를 받을 순 없죠

In that case, I can't charge rent, of course.

— 잉글리쉬 페이션트 (1996)

그렇다면야 할 말 없지

Well, if that's the case, I can't really argue with that.

— 데이 워치 (2006)