there is not a fraction of difference
In Chinese idioms, Pinyin is h á ow ú è RZH ì, which means there is no difference at all. It means exactly the same. It's from officialdom.
Notes on Idioms
Two: two.
The origin of Idioms
In the 29th chapter of Li Baojia's officialdom in the Qing Dynasty, "she Daotai felt the same as Hua Xiaohong when she saw this air."
Idiom usage
It means exactly the same. examples the stylistic changes at that time and the modern literary revolution, from classical Chinese to vernacular, are exactly the same. A study of Qu Yuan by Guo Moruo
there is not a fraction of difference
Basin facing the sky, bowl facing the ground - pén cháo tiān,wǎn cháo dì
Against heaven and against the people - nì tiān wéi zhòng
let the matter be viewed in this light - zuò rú shì guān