Explanation: Wind and clouds are unpredictable. Metaphor, like changing things or situations as unpredictable.
Source: Mingling 濛 early "first moment Pai An Jing Qi" IX Who knows sometime unexpected situation, with the unanimous Taijian officials saw the rich ho dang, he was stolen on the participation of the private, under instructions from the West station censors decree survey asked Mian Bude close under the supervision of. " |