그랬더니

and then, as a result

→ 그렇다

그랬 be so, be that way, be true + 더니 retrospective connective

adverb Rare #21,678

and then, as a result Used to introduce an unexpected result or outcome of something that was just mentioned or done.

KO: 친구에게 그 소식을 전했어요. 그랬더니 친구가 매우 기뻐했어요.

EN: I told my friend the news. As a result, my friend was very happy.

Forms of 그렇다

And then Amelie got really angry.

— 마농의 샘 2부 (1986)

What happened then?

— 시카고 (2002)

And then they left.

— 반지의 제왕: 두 개의 탑 (2002)