除非黄土白骨我守你无忧
[chú fēi huáng tŭ bái gú wŏ shŏu nĭ wú yōu]
Unless the earth turns into white bones, I will protect you and keep you free from worries. The phrase evokes images of deep devotion, loyalty and a promise to protect someone forever no matter how long it takes, symbolizing undying affection.