我生你未生你生我已老
[wŏ shēng nĭ wèi shēng nĭ shēng wŏ yĭ lăo]
Translates to 'When I was born, you were not yet born; when you were born, I was already old.' It reflects an unattainable love or longing across lifetimes, expressing deep regret over the time difference in meeting the right person.