沧桑情话凄凉情花
[cāng sāng qíng huà qī liáng qíng huā]
The term suggests the melancholic and sorrowful stories of love that evoke bittersweet feelings. '沧' implies changes, suggesting the vicissitudes in a relationship. '情话' means love words, while '凄凉' denotes a poignant sense of solitude or sadness associated with lost or unattainable love.