This is the 5936th most frequent Korean word.
사연이
"사연이" means "a story," "circumstance," or "background" depending on context.
In this sentence, '사연이' refers to a specific story or circumstance that has not been expressed.
그에게는 아직 말하지 못한 사연이 있어요.
He has a story that he hasn't been able to tell yet.
Here, '사연이' indicates the existence of a meaningful story or background associated with the photograph.
사연이 담긴 사진을 보고 눈물이 났어요.
Looking at the photo with a story behind it, I cried.
In this usage, '사연이' points to a specific situation or account one is curious about.