Blow dirt and scar
As a Chinese idiom, the Pinyin is Chu ī g ò usu ǒ B ā n, which means to be picky. It comes from the mistakes in the chronology of Tinglin.
The origin of Idioms
In the Qing Dynasty, ye Shiguan's "blowing the net record of Tinglin chronology has some mistakes": "Shizhou's chronology is the only one in 200 years. I dare not see the scar, because it is generally mellow, but also willing to remove the flaws and return to the essence of the beautiful ear."
Idiom usage
Used as a predicate, attributive, or object; used to refer to deliberate nitpicking.
Blow dirt and scar
deceive the public so as to build up a reputation - huò shì dào míng
be like a dry tree which again sprouts leaves in the spring - kū mù féng chūn