不知所云
- na.do not know what oneself (self deprecatory) or others are talking about
- 网络unintelligible; Foot in mouth; be unintelligible

不知所云
1.do not know what oneself (self deprecatory) or others are talking about; incomprehensible; be unintelligible; between the devil and the deep sea; be unable to make out what sb. is driving at [talking about]; embarrass with [by]; fail to catch what one means; feel oneself in an awkward position; feel oneself in a false position; lose one's head; make neither head nor tail of what's been said [written]; not to have the slightest idea about the meaning of some remarks
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