layer upon layer of peaks and knolls
Overlapping mountains is an idiom. The pronunciation is C é nglu á NDI é zh à ng. It means many and steep mountains.
Idioms and allusions
In his book with Wang Qianzhong written by Lu Jiuyuan of the Song Dynasty, "the eaves of the abbot are full of mountains and peaks, which are moving fast and fast. They are tens of miles near and hundreds of miles far away, competing for wonders."
Discrimination of words
There are many mountains and peaks, and there are many green waves. Yuan Hongdao's the West cave in Ming Dynasty
usage
It is used as an attributive or adverbial to describe the overlapping of mountains
layer upon layer of peaks and knolls
cannot distinguish colours due to a confused mind - kàn zhū chéng bì