下辈子的誓言上辈子的诺言
        
            [xià bèi zi de shì yán shàng bèi zi de nuò yán]
        
        
            Refers to promises or vows from past and future lives which suggest reincarnation beliefs, conveying an intense longing or unresolved emotional ties. It evokes deep-rooted sentiments associated with love that spans lifetimes.