下一世的轮回生死不离下一世的相守生死不弃
[xià yī shì de lún huí shēng sĭ bù lí xià yī shì de xiāng shŏu shēng sĭ bù qì]
It means ‘In the next cycle of rebirth, our fate shall not be apart; nor would I abandon the chance of standing guard beside you forever’, emphasizing unbreakable love and companionship that crosses lives and death.