黑夜不尽红颜醉红颜不尽夜的美
[hēi yè bù jĭn hóng yán zuì hóng yán bù jĭn yè de mĕi]
Refers to how a beautiful woman (symbolically represented as a 'red face') indulges in the endless night which brings its own form of beauty, or how her attractiveness outshines even the charm of the nighttime. It suggests enchanting allure amidst dark nights.