白雲蒼狗

Simplified: 白云苍狗

báiyúncānggǒu ㄅㄞˊ ㄩㄣˊ ㄘㄤ ㄍㄡˇ

    • lit. a white cloud transforms into what looks like a gray dog (idiom)
    • fig. the unpredictable changeability of the world

Character by character

Sources