无奈深爱他怎变深碍他无奈久伴她怎变久跘她
[wú nài shēn ài tā zĕn biàn shēn ài tā wú nài jiŭ bàn tā zĕn biàn jiŭ pán tā]
Expresses helplessness and frustration where deep love has turned into deep troubles; long-term companionship seems more troublesome than expected over time. A play on words that emphasizes the complexity of long-standing emotions.