故人已走茶还未凉
[gù rén yĭ zŏu chá hái wèi liáng]
Translating to 'The guest has left but the tea isn't cold yet', this is an expression rich in sentiment, evoking feelings of lingering presence. Even though that special person is no longer around, recent memories remain warm, akin to a teacup still holding onto the warmth of freshly brewed tea moments after being sipped from.