基本解释
拼音：bù biàn shū mài
注音：ㄅㄨˋㄅㄧㄢˋㄕㄨㄇㄞˋ
解释：分不清哪是豆子，哪是麦子。形容愚笨无知。后形容缺乏实际生产知识。
出处：晋·葛洪《抱朴子·穷达》：“庸俗之夫，暗于别物，不分朱紫，不辩菽麦。”
英语：not to know chalk from cheese
单字解释：
不
辩
菽
麦
英语解释
I can't tell which is beans and which is wheat. Describe stupidity and ignorance. The latter describes the lack of practical production knowledge.
