그런 적

such an experience

→ 그렇다
phrase Uncommon #7,841
such an experience Used with 있다 or 없다 to talk about whether something like that has ever happened or been done. 그런 적 없다 means “I've never done that” or “That has never happened.”
KO: 그런 적은 한 번도 없어요.
EN: I've never had an experience like that.

그런 적 없지?

Have you ever done that?

— 로렌스 애니웨이 (2012)

그런 적 있었지?

Have you ever had that happen?

— 장화, 홍련 (2003)

전에도 그런 적 있지

That’s happened before, too.

— 똑바로 살아라 (1989)

그런 적도 있죠

That’s happened before, too.

— 맨 프럼 어스 (2007)