It's a waste of time
Chuxiong Dadi is a Chinese idiom. Its pinyin is Chu í Xi à NGT à D à, which means beating the chest and feet. Express extreme grief or remorse. The source is "Qingxi line".
The origin of Idioms
In Qing Dynasty, Jin Renrui's a trip to Qingxi: "when I met an old woman, I still knew her and talked about Qingxi."
Analysis of Idioms
Beat your chest and your feet
Idiom usage
Used as a predicate or adverbial; used in grief or indignation
It's a waste of time
come out victorious in successive battles - lián zhàn jiē jié
Be modest and able to bear the talent - jīn néng fù cái