Peril Point
Killing people with an inch of iron, a Chinese idiom, Pinyin is C ù NTI ě sh ā R é n, which means that a short weapon one inch long can kill people. The metaphor of things mainly lies in the essence rather than the abundance. It comes from the Song Dynasty's Luoda Sutra "Helin Yulu".
The origin of Idioms
The seventh volume of the great Sutra of the Song Dynasty, the jade dew in the crane forest: "for example, if a man carries a cart of weapons and gets one of them, then it is not a means of killing; if I only have an inch of iron, then I can kill."
Idiom usage
In the book of Zhu Zi Yu Lei, volume 115 says: "because of the Chan language, an inch of iron can kill people.
Peril Point
think back and forth to oneself - sī qián xiǎng hòu
have never been heard from since - miǎo wú yīn xìn
so poor as to have no room to stick an awl on - sheng wu li zhui