深知你是梦梦醒人已空
[shēn zhī nĭ shì mèng mèng xĭng rén yĭ kōng]
'Deeply knowing you are my dream but waking up finds me alone' portrays the poignant experience of cherishing sweet memories with someone who is no longer part of your life. It speaks to the contrast between idealized memories and present emptiness.