从老公到老公公从老婆到老婆婆
[cóng lăo gōng dào lăo gōng gōng cóng lăo pó dào lăo pó pó]
From 'Young Husband to Old Grandpa, from Young Wife to Old Grandma' signifies an observation on the life stages, reflecting on changes within one's life over long periods of time, perhaps with some humor or acceptance. It may refer to witnessing the passage of time in the context of relationships.