风幽怨水清寒
[fēng yōu yuàn shuĭ qīng hán]
'风幽怨水清寒' (Feng You Yuan Shui Qing Han) describes the quiet and slightly melancholic atmosphere felt when water is clear but cold due to a breeze. It portrays solitude, contemplation and the bittersweet feeling of serenity tinged with sadness.