黑暗巷口里的她黑暗街角里的他
[hēi àn xiàng kŏu lĭ de tā hēi àn jiē jiăo lĭ de tā]
Translates to 'She in the dark alley mouth, he in the dark street corner', indicating individuals hidden away in darkness or obscurity, perhaps signifying secrets, unknown feelings or stories about those living outside of mainstream spotlight.