人走了茶凉了爱走了心空了
[rén zŏu le chá liáng le ài zŏu le xīn kōng le]
A poetic expression: 'He/She's gone, the tea's cold. My love disappeared and now there's an emptiness in my heart.' It describes the feelings left when someone close to you leaves suddenly, leading to melancholy reflections.