以前的我们如此相爱现在的我们如此陌生
[yĭ qián de wŏ men rú cĭ xiāng ài xiàn zài de wŏ men rú cĭ mò shēng]
'We used to love each other so much; now we are so distant' captures the sadness of how relationships change over time, where once intimate connections now feel distant and unfamiliar.