兜兜转转你也不是我的
[dōu dōu zhuăn zhuăn nĭ yĕ bù shì wŏ de]
Translates as 'No matter how much we twist and turn, you still don’t belong to me'. It expresses the regretful realization that even after various attempts, some dreams or desires remain unfulfilled, particularly in terms of relationships or personal goals.