红颜泪
[hóng yán lèi]
In Chinese literature, 红颜 is often a reference to an exceptional-looking female character with an especially touching story, and 泪 means tear, symbolizing sadness, sorrow or misfortune experienced by a beautiful girl. So 红颜泪 conveys that one might bear pain in the soul while also possessing an extraordinary appearance, expressing a feeling of sympathy and nostalgia.