我把你当闺蜜你把我当情敌
[wŏ bă nĭ dāng guī mì nĭ bă wŏ dāng qíng dí]
This implies that there is a misunderstanding between two people where one considers the other as a close female friend (confidante/best friend), but the other perceives this one to be competing romantically with them for affection.