来不及寄出攒着过了期
[lái bù jí jì chū zăn zhe guò le qī]
Translated as 'Failed to Send in Time, All Accumulated Past Expiry Date', evokes melancholic vibes. It seems to imply regret from not seizing opportunities on time or expressing feelings while they should. Now there are plenty yet all seem too late - probably reflects upon missed chances, accumulated emotions unexpressed till their relevance has passed