follow up the stream and seek the source
The Chinese idiom, Pinyin is y á Nb ō t ǎ oyu á n, meaning to follow the current to find the source. From Wen Fu.
Analysis of Idioms
Following the vine and tracing the origin
The origin of Idioms
In Lu Ji's Wen Fu of Jin Dynasty, "either the branches vibrate the leaves, or the waves lead to the origin."
Idiom usage
It refers to the pursuit of the origin of things.
Examples
Those who read the articles use the human feelings to seek the source along the waves, although it is quiet, it will be obvious. "Wen Xin Diao Long · Zhi Yin" by Liang and Liu Xie in Southern Dynasties
follow up the stream and seek the source
Protect the situation and the people - bǎo jìng xī mín
where the wind passes , the grass bends -- influence of gentlemen - fēng xíng cǎo cóng
driven by poverty to seek relief - qióng niǎo rù huái
speak boldly in defense of justice - zhàng yì zhí yán