come and go like a shadow
As a Chinese idiom, Pinyin is sh é ch ū Gu ǐ R ù, which means to be as fickle as a ghost; it describes fickle and unpredictable; later it generally refers to the rapid change of action. It's from Huainanzi · Bing luexun.
Notes on Idioms
Out: appear.
The origin of Idioms
"Huainanzi · bingluexun" said: "the good move, God out and ghost line."
Idiom usage
As a predicate, adverbial, attributive; refers to change. Only his daughter can subdue him. The fourteenth chapter of biography of children heroes by Wen Kang in Qing Dynasty
Chinese PinYin : shén chū guǐ rù
come and go like a shadow
Take the snow and fill the river. dān xuě tián hé
small in number and weak in strength. liàng xiǎo lì wēi