trace back to the sources
Chinese idiom, Pinyin is t à Nb à nqi ó ngyu á n, which means looking for roots and water sources. Metaphors seek and trace the root of things. From a little history of civilization.
explain
Search. Ben: roots. Poor: seeking. Source: water.
source
Chapter 51 of Li Baojia's a brief history of civilization in the Qing Dynasty: "first, we can broaden our horizons and broaden our horizons. Second, we can explore the origin of the technology. "
usage
To act as a predicate, object, or attribute
trace back to the sources
the wind cuts like a knife and the frost bites into one 's flesh like a sword - fēng dāo shuāng jiàn
be cast aside like the fan in autumn - qiū shàn jiàn juān
have a large stock of information - lì dì shū chú