a headless fly
No head fly, a Chinese idiom, Pinyin is m é it ó UC ā ngying, which means to refer to people who break into and touch at random. From Dangkou Zhi.
The origin of Idioms
The 97th chapter of "Dangkou Zhi" written by Yu Wanchun of Qing Dynasty: "I went to Tokyo to buy and sell last year, and I met that headless ox letter."
Idiom usage
As an object or attribute; of a rash person. An untrained army is a mob, and a commander who doesn't talk about tactics is a dead end. Memoirs of Liu Bocheng: managing the school before running the army
a headless fly
Xiang Zhuang's sword dance is aimed at Peigong - xiàng zhuāng wǔ jiàn,zhì zài pèi gōng
pierce a willow leaf with an arrow from the distance of a hundred paces - bǎi bù chuān yáng
stop all corrupt practices to clean up source - dù bì qīng yuán