你是我最甜蜜的回忆你是我最幸福的过去
[nĭ shì wŏ zuì tián mì de huí yì nĭ shì wŏ zuì xìng fú de guò qù]
A poetic way of stating, 'You are my sweetest memory; you are my happiest past.' Expresses nostalgia and endearment towards someone significant in the person’s history who brings warmth when remembered.