悲凉式调情温暖式暧昧
[bēi liáng shì diào qíng wēn nuăn shì ài mèi]
Describes a complex relationship dynamic between flirtation filled with sorrowful undertones ('悲凉式调情') and ambiguous affection marked by warmth ('温暖式暧昧'). It reflects a bittersweet, mixed-emotions relationship that is both touching yet tinged with melancholy.