At random
It's a Chinese idiom. The Pinyin is Cu à Lu à g à oxi à, which means the length of words is high or low. It comes from the epitaph of Zhou junnan Zhong, the former Secretary of Wenlin Lang province.
Idiom explanation
I still talk about the length.
The origin of Idioms
The epitaph of Zhou junnanzhong, former Secretary of Wenlin Lang Province, written by Ye Shi of Song Dynasty: "the ears have changed, the eyes have changed, the spirit has been surging, the things of ancient and modern times are in disorder, and there is no limit."
Analysis of Idioms
Synonyms: staggering
Idiom usage
As a predicate or attribute; used of order, etc
At random
put things right once and for all - zàn láo yǒng yì
Driving a crane to become an immortal - jià hè chéng xiān