Clues
As a Chinese idiom, Pinyin is Qi á NDU ā NK ū NN í, which means the edge of heaven and earth.
Idiom explanation refers to the edge of heaven and earth.
Clues
even the rocks nod in approval during one 's preaching - wán shí diǎn tóu
author with many works to his credit - zhù shù děng shēn
distinguished from the common run - yòng zhōng jiǎo jiǎo