trace back to the sources
The Chinese idiom, Pinyin is Zhu ī B ě nqi ó ngyu á, which means to find out the source of things. From the romance of Hong Xiuquan.
Idiom explanation
Poor: seeking to the end.
The origin of Idioms
In the second chapter of the romance of Hong Xiuquan, "it is true that Chinese merchants have been selling opium in search of its source."
Chinese PinYin : zhuī běn qióng yuán
trace back to the sources
play favouritism and commit irregularities. xùn sī wǔ bì
one 's mind concealed more knowledge than could have been contained in five cartloads of books. xué fù wǔ chē
be careless about one 's dress. bù xiū biān fú