rare incidents
Huang He Shui Qing, a Chinese idiom, Pinyin is Hu á NGH é Shu ǐ Q ī ng, which means something rare. From fortune.
The origin of Idioms
In the theory of fortune written by Wei and Li Kang of the Three Kingdoms: "the Yellow River is clear and the life is holy."
Idiom usage
As an attribute, often used in anticipation, etc.
Chinese PinYin : huáng hé shuǐ qīng
rare incidents