그런다고

doing that, just because you do that, saying that you’ll do so

→ 그러다
verb · informal Rare #22,658
doing that, just because you do that Often used to say that an action will not have the expected effect.
KO: 그런다고 문제가 해결되지는 않아.
EN: Doing that won’t solve the problem.
saying that you’ll do so Used before 하다 to report what someone said they would do.
KO: 내일 온다고 그런다고 했어요.
EN: I said I’d come tomorrow.
Conjugation of 그러다

그런다고 소용없어

That won't do any good.

— 엠 (1931)

그런다고 했잖아요

I told you I was going to do that.

— 이탈자 (1990)

부하들까지 불러도 좋고 그런다고 여자 죽지 않거든

You can even call in your subordinates. It’s not like she’ll die or anything.

— 옛날 옛적 서부에서 (1968)