the one that got away

Noun

idiomatic

(idiomatic) A former romantic partner who retains a special place in one's memory.

Japanese Meaning

心に特別な存在として記憶される、かつての恋愛相手。 / 一度の恋愛で失った、今でも大切に思われる相手。

Even after all these years, she still thinks about the one that got away.

何年経っても、彼女は今でも忘れられない元恋人のことを考えている。

Sense（1）

(idiomatic) A former romantic partner who retains a special place in one's memory.