The root cause
In the beginning, Chinese idioms, Pinyin is Q ǐ g ē NF ā y ó u, which means to point out the source of things. It's from Jing Hua Yuan by Li Ruzhen in Qing Dynasty.
Idiom: origin Pinyin: Q ǐ g ē NF ā y ó u interpretation: metaphor points out the source of things.
Chinese PinYin : qǐ gēn fā yóu
The root cause
Hand cloud covering hand rain. fān shǒu yún fù shǒu yǔ
give mature consideration to all aspects of a question. miàn miàn jù dào