但求你不离弃惟愿生死相依
[dàn qiú nĭ bù lí qì wéi yuàn shēng sĭ xiāng yī]
This means 'if only you do not abandon me, only wishing to be together even through life and death.' It depicts a deep desire for loyalty, companionship, and unbreakable bonds with another, highlighting devotion even under extreme conditions of life and death.