如果你大难不死我肯定终身相伴
[rú guŏ nĭ dà nán bù sĭ wŏ kĕn dìng zhōng shēn xiāng bàn]
Translates to 'If you survived a calamity, I will stay by your side all my life.' This is a dramatic promise of commitment and loyalty through thick and thin, showing unwavering support for a loved one under adverse conditions or during challenging times.