迷恋高跟鞋旳暧昧
[mí liàn gāo gēn xié dì ài mèi]
It translates into 'Obsession with High Heels Ambiguity'. This could refer to a fascination with high heels which also carries a sense of ambiguity in a romantic or flirtatious setting between characters who share mutual interest beyond words or direct actions. Possibly about subtle flirtation through admiration towards an object like high heels.