In vain
As a Chinese idiom, Pinyin is x ū zh ō UPI ā ow ǎ, which refers to something without practical value. It's from Huainanzi · quanyanxun.
Idiom usage
As subject, object, attribute; of something impractical
Examples
Hunger can't eat, cold can't dress, he seems to be in vain. Tang Xianzu's Peony Pavilion
The origin of Idioms
In the Western Han Dynasty, Liu An's "Huainanzi · quanyanxun", it is said that "a square boat helps the river, and there are empty boats coming from one side, touching and covering it. Although there is a heart, there will be no resentment."
In vain
The people are honest and honest - mín chún sú hòu
the people are noble and the country prosperous - mín yīn guó fù
Pull out the flag of Zhao and set up the red flag - bá zhào zhì lì chì zhì