rack one 's brains to
The Chinese idiom, Pinyin is j ī Gu ā NSU à NJ ì n, refers to the use of mind. It comes from Huang Tingjian's Pastoral children's song of Song Dynasty.
The origin of Idioms
In Song Dynasty, Huang Tingjian's Pastoral children's song: "how many Chang'an celebrities and profiteers are not as good as you when you run out of opportunities."
Idiom usage
It is too clever to miss Qing Qing's life. The fifth chapter of a dream of Red Mansions by Cao Xueqin in Qing Dynasty.
Analysis of Idioms
The antonym is at a loss and at a loss
rack one 's brains to