你是一只可以四处栖息的鸟我是一条早已没了体温的鱼
[nĭ shì yī zhĭ kĕ yĭ sì chŭ qī xī de niăo wŏ shì yī tiáo zăo yĭ méi le tĭ wēn de yú]
A metaphor comparing two people; one as a free-spirited bird capable of traveling anywhere, while the other is a lifeless fish, suggesting immobility or a lack of energy.