trace the origin
Tracing back to the origin, Chinese idioms, Pinyin is Tu ī B ě ns ù Yu á n, which means to explore the root, to find the reason.
Analysis of Idioms
On the root of the problem
Idiom usage
It means to have the courage to explore. examples we must make great efforts to trace the origin of learning.
trace the origin
resign from office and return to one 's native town - gào lǎo huán jiā
cause one 's fame to glow in the pages of history - gōng biāo qīng shǐ
changes arise from the elbow and armpit . 2 . confusion starts from one 's side or friends - huò shēng zhǒu yè