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Open the tool →知其一不知其二 (zhī qí yī bù zhī qí èr) is a Chinese idiom (chengyu) meaning “to know only one side of a matter or to have an incomplete understanding of something; to be aware of one aspect but ignorant of others”.
知其一不知其二 is pronounced zhī qí yī bù zhī qí èr in Mandarin Chinese.
Literally, 知其一不知其二 means “Know the first, but not the second”. It is used to mean “to know only one side of a matter or to have an incomplete understanding of something; to be aware of one aspect but ignorant of others”.
只了解事物的一方面,而不了解其他方面。形容对事物的了解不全面。