手牵手相惜相恋手牵手白首永远
[shŏu qiān shŏu xiāng xī xiāng liàn shŏu qiān shŏu bái shŏu yŏng yuăn]
Translating to 'holding hands in love until we turn white-haired', it poetically emphasizes long-lasting commitment, affection, mutual support, and the desire for an eternal partnership with one's loved one.