你是太阳又怎会只照我一人我若是太阳定会只照你一人
[nĭ shì tài yáng yòu zĕn huì zhĭ zhào wŏ yī rén wŏ ruò shì tài yáng dìng huì zhĭ zhào nĭ yī rén]
Translating into 'You're like the sun that can't just shine on me; if I were the sun, I’d only give you light'. The former part could express acceptance of losing someone important. The latter indicates an unrequited love where only one side remains dedicated despite knowing they won’t get equal affection back