들어 본 적도

have never even heard of

→ 듣다
phrase Rare #31,978
have never even heard of Usually appears with a negative expression such as 없어요 to mean that someone has never heard of something.
KO: 그 얘기는 들어 본 적도 없어요.
EN: I've never even heard of that story.

그런 얘기는 들어 본 적도 없어요.

I've never heard anything like that.

또 다른 쪽지는 내가 들어 본 적도 없는 또 다른 도서관 직원이 보낸 것 이었다.

Another note was from yet another library employee I’d never even heard of.