如果哪天你遇见了心中的他
[rú guŏ nă tiān nĭ yù jiàn le xīn zhōng de tā]
Translates to 'If one day you meet the one you dream about', it refers to an anticipation and hope of finding that very special someone or encountering a long-sought-after moment, object, or even a feeling that one has been dreaming about or longing for for a long time.