Explanation: Bingbei weak analogy. "_Select_ed Works of Zuo Si <Weidu Fu>": "Shu thin cotton power, the same as the web of the spider beetle; a weak pawn chain reaction, the same as the Guardian Mantis." Shan-Note: "" Zhuang Zi ": 'Qu Boyu that Yan said the whole family: I do not know man mantis almost Ru? anger when his arm to track, I do not know their incompetent also. "