본 적도

have never even seen

→ 보다
phrase Uncommon #11,162
have never even seen Usually followed by 없다 or another negative expression; 적도 adds emphasis, like “even once.”
KO: 난 그런 영화를 본 적도 없어.
EN: I haven’t even seen a movie like that.

우린 본 적도, 서로 만난 적도 없는 거 야

We’ve never even seen each other, let alone met.

— 위키드: 포 굿 (2025)

본 적도 몇 번 없는데 그래서 좀 이상해

I've only seen them a few times, so it feels a little strange.

— Unlocked (2023)

물론 이런 거 본 적도 없겠지만 이 반지 빼

Of course, you've probably never seen anything like this, but take off this ring.

— 아노라 (2024)