To apply superficial knowledge rigidly, leading to absurd mistakes; to make a ridiculous error due to a lack of true understanding.
他学习编程时，只看了些皮毛知识就敢动手，结果写出来的程序漏洞百出，简直是汉人煮箦。
When he studied programming, he only skimmed some superficial knowledge before trying to code; as a result, the programs he wrote were full of bugs – it was simply a case of applying shallow knowledge without true understanding.
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