拼命的付出却换来一句再见
[pīn mìng de fù chū què huàn lái yī jù zài jiàn]
This indicates that despite one's utmost efforts and dedication, all they received in return was a farewell. It speaks about a sense of disappointment and possible bitterness after giving so much to something, likely a relationship, but only getting an end or rejection in return. It conveys a feeling of heartbreak and disillusionment