瞎子摸鱼

Explanation: Analogy to work blind, the lack of research. 　　Source: Mao Zedong's "Reform Our Study" second act blindly, "blind fishing in troubled waters", sloppy, rhetoric, satisfied with little knowledge, this very bad style, this totally against the fundamental spirit of Marxism-Leninism style, still in my party continue to exist in many comrades there. " 　　Examples: Illegible road, can not find the goal, really ~ in general, only V crawling slowly on the ground. ★ Wu Qiang, "Red Sun" Chapter VII twenty-five