Distinguish hair from hair
Chinese idiom, Pinyin is x à m á Obi à NF à, which means that even the hair can be clearly distinguished, describing and analyzing in detail. It's from Li Yu's "casual love, CI and Qu, pattern" in Qing Dynasty.
The origin of Idioms
Li Yu of the Qing Dynasty wrote: "the comments on the west chamber by Sheng Tan can be said to be clear and profound, and there is no further discussion."
Idiom usage
As an object, attribute, point out the reason
Distinguish hair from hair