A long time
Kuangdiannian is a Chinese idiom, pronounced Ku à NgR à J à ngni á n, which has been used for a long time.
explain
It's been a long time.
source
Ban Gu of the Han Dynasty wrote in the book of the Han Dynasty, Jiao Si Zhi II: "it's a long time, and it's enough to be the prime minister."
Discrimination of words
Pinyin code: krjn
A long time
a person in a high position is liable to be attacked - shù gāo zhāo fēng