fastidious but incompetent
Chinese idiom, Pinyin is sh ǒ UG ā oy ǎ nd ī, which means that the ability to do things is strong but the ability to identify is low. It also means that one's own desire is high but the vision is very low. It means that one is greedy but does not know the goods. From Huifeng Cihua.
The origin of Idioms
Kuang Zhouyi's Huifeng Cihua in the Qing Dynasty, Volume I: "I feel that the Northern Song Dynasty had high manpower and low eyes."
Idiom usage
To be greedy but not to know the goods. As soon as we look at these dealers, we can see that they are high handed and low minded, and they have transferred the most valuable porcelain to the old man at a low price. "But the robbers are high handed and low minded. They don't want many valuable things." Chapter 12 of Guo Moruo's Hong Bo Qu
fastidious but incompetent
like a fishbone getting stuck in the throat -- necessary to give vent to one 's pent-up feelings - rú gěng zài hóu
Although peony is good, it depends on the support of green leaves - mǔ dān suī hǎo,quán píng lǜ yè fú chí
encourage monsters to stalk abroad , making trouble , causing disorder - xīng yāo zuò niè