你不嫁我我则谁也不娶你不娶我我则谁也不嫁
[nĭ bù jià wŏ wŏ zé shéi yĕ bù qŭ nĭ bù qŭ wŏ wŏ zé shéi yĕ bù jià]
'If you don't marry me, I will not marry anyone else; if you don't marry me, I will not marry anyone else'. It implies an unwavering commitment between the two people, showing their exclusive and lifelong dedication to each other.