bittersweet memory

Translations
горько-сладкое воспоминание
She has a bittersweet memory of her childhood.
У неё горько-сладкое воспоминание о детстве.
Definitions
A bittersweet memory refers to a recollection that evokes both positive and negative emotions simultaneously, often reflecting a sense of nostalgia or longing for a past experience that was enjoyable but also associated with sadness or loss.