知其一不知其二

Chinese

		to know; to be aware	his; her; its his; her; its; theirs; that; such; it (refers to something preceding it)	one; single; a one; single; a; (before verbs) as soon as, once; (before a noun) entire (family, etc.)	to not know; to have no idea of; to be ignorant of to not know; to have no idea of; to be ignorant of; to wonder if	his; her; its his; her; its; theirs; that; such; it (refers to something preceding it)	two
simp. and trad. (知其一不知其二)		知	其	一	不知	其	二
alternative forms		只知其一，不知其二 但知其一，不知其二 見其一未見其二／见其一未见其二 知其一未知其二 知其一不達其二／知其一不达其二 只知其一，不知其二 但知其一，不知其二 見其一未見其二／见其一未见其二 知其一未知其二 知其一不達其二／知其一不达其二 知其一未睹其二

Pronunciation

• Mandarin

  (Pinyin): zhī qí yī bùzhī qí èr

  (Zhuyin): ㄓ ㄑㄧˊ ㄧ ㄅㄨˋ ㄓ ㄑㄧˊ ㄦˋ

• Cantonese (Jyutping): zi¹ kei⁴ jat¹ bat¹ zi¹ kei⁴ ji⁶

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• Mandarin
  • (Standard Chinese)⁺
    • Hanyu Pinyin: zhī qí yī bùzhī qí èr
    • Zhuyin: ㄓ ㄑㄧˊ ㄧ ㄅㄨˋ ㄓ ㄑㄧˊ ㄦˋ
    • Tongyong Pinyin: jhih cí yi bùjhih cí èr
    • Wade–Giles: chih¹ chʻi² i¹ pu⁴-chih¹ chʻi² êrh⁴
    • Yale: jr̄ chí yī bù-jr̄ chí èr
    • Gwoyeu Romatzyh: jy chyi i bujy chyi ell
    • Palladius: чжи ци и бучжи ци эр (čži ci i bučži ci er)
    • Sinological IPA ^(key): /ʈ͡ʂʐ̩⁵⁵ t͡ɕʰi³⁵ i⁵⁵ pu⁵¹ ʈ͡ʂʐ̩⁵⁵ t͡ɕʰi³⁵ ˀɤɻ⁵¹/
• Cantonese
  • (Standard Cantonese, Guangzhou–Hong Kong)⁺
    • Jyutping: zi¹ kei⁴ jat¹ bat¹ zi¹ kei⁴ ji⁶
    • Yale: jī kèih yāt bāt jī kèih yih
    • Cantonese Pinyin: dzi¹ kei⁴ jat⁷ bat⁷ dzi¹ kei⁴ ji⁶
    • Guangdong Romanization: ji¹ kéi⁴ yed¹ bed¹ ji¹ kéi⁴ yi⁶
    • Sinological IPA ^(key): /t͡siː⁵⁵ kʰei̯²¹ jɐt̚⁵ pɐt̚⁵ t͡siː⁵⁵ kʰei̯²¹ jiː²²/

Idiom

知其一不知其二

1. to know or understand only one aspect of a thing and be ignorant of the other; to know or understand something unilaterally or one-sidedly