have an unconventional idea
Chinese idiom, Pinyin Z ì ch ū x ī NC á I, means to design or plan out of one's own mind. Most of them refer to the original conception of poetry and art. From a dream of Red Mansions by Cao Xueqin in Qing Dynasty
Idiom explanation
Mind style: design and planning in mind. Out of their own creation. It means not to copy or imitate others.
Idioms from
Chapter 84 of a dream of Red Mansions by Cao Xueqin in the Qing Dynasty: "those children have read this article of their predecessors. They can't be creative and copy it every time."
have an unconventional idea
obtain gold by washing it from sand and gravel - pī shā jiǎn jīn