牵着手走到白头并着肩守到暮年
[qiān zhe shŏu zŏu dào bái tóu bìng zhe jiān shŏu dào mù nián]
Meaning 'Holding hands until our hair turns white, standing shoulder to shoulder until our old age,' this indicates a wish for a lasting and enduring relationship. It expresses hope and desire for loyalty and togetherness with a loved one through life's stages.