thinking sth. of no importance
As a Chinese idiom, Pinyin is pi ā of ē nggu òě R, which means to refer to indifference to or improper treatment of something. It's from Shi nodding, greedy, six courtyards of Han Dynasty.
The origin of Idioms
In Ming Dynasty, the natural fool Shi nodou is greedy, and the six courtyards of the Han Dynasty sell Romance: "if you say it with your tongue open and your lips open, it's just a breeze."
Idiom usage
It is used as an object or attributive; it is used as a metaphor to describe the words that you don't pay attention to when you hear them. It's the same thing.
thinking sth. of no importance
romantic themes ; to waste money in houses of ill repute - xuě yuè fēng huā
so poor as to have no room to stick an awl on - pín wú zhì zhuī
maintain principles with flexibility - shǒu jīng dá quán