About 200 million people in China are using received dialect word of “Zhibudao(知不道)”, which originated from “Zhibudao(智不道)” .

“知不道”來自“智不到”,至南宋寫作“知不到”或“知不道”,意思是“認(rèn)識(shí)不到”。

Zhi dao" (know) and "zhi bu dao" (know not) in Shaanxi Dialect;

陜西方言中的“知道”與“知不到”