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.
Chinese PinYin : qián duān kūn ní
Clues
write the truth without fear or favor. bǐng bǐ zhí shū
not to distinguish black from white. zào bái bù fēn
For the sake of public affairs. yīn gōng jiǎ sī