我是你未来的媳妇我是你未来的老公
[wŏ shì nĭ wèi lái de xí fù wŏ shì nĭ wèi lái de lăo gōng]
Expressing anticipation or certainty about a future marriage commitment with playful optimism. 'I am going to be your wife / husband someday'. It’s often used jokingly but can also indicate a serious promise between partners who are deeply attached.