"一字之師" meaning in Chinese

{
  "head_templates": [
    {
      "args": {
        "1": "zh",
        "2": "idiom"
      },
      "expansion": "一字之師",
      "name": "head"
    }
  ],
  "lang": "Chinese",
  "lang_code": "zh",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Chinese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Mandarin words containing 一 not undergoing tone sandhi",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "a teacher of one word; one who can significantly improve the quality of another's writing by changing one word and thus becomes his teacher"
      ],
      "id": "en-一字之師-zh-phrase-USP7ytcc",
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "tags": [
        "Mandarin",
        "Pinyin"
      ],
      "zh-pron": "yīzìzhīshī"
    },
    {
      "tags": [
        "Mandarin",
        "bopomofo"
      ],
      "zh-pron": "ㄧ ㄗˋ ㄓ ㄕ"
    },
    {
      "tags": [
        "Cantonese",
        "Jyutping"
      ],
      "zh-pron": "jat¹ zi⁶ zi¹ si¹"
    },
    {
      "tags": [
        "Hanyu-Pinyin",
        "Mandarin"
      ],
      "zh-pron": "yīzìzhīshī"
    },
    {
      "tags": [
        "Mandarin",
        "Tongyong-Pinyin"
      ],
      "zh-pron": "yizìhjhihshih"
    },
    {
      "tags": [
        "Mandarin",
        "Wade-Giles"
      ],
      "zh-pron": "i¹-tzŭ⁴-chih¹-shih¹"
    },
    {
      "tags": [
        "Mandarin",
        "Yale"
      ],
      "zh-pron": "yī-dz̀-jr̄-shr̄"
    },
    {
      "tags": [
        "Gwoyeu-Romatsyh",
        "Mandarin"
      ],
      "zh-pron": "itzyhjyshy"
    },
    {
      "tags": [
        "Mandarin",
        "Palladius"
      ],
      "zh-pron": "ицзычжиши"
    },
    {
      "tags": [
        "Mandarin",
        "Palladius"
      ],
      "zh-pron": "iczyčžiši"
    },
    {
      "ipa": "/i⁵⁵ t͡sz̩⁵¹ ʈ͡ʂʐ̩⁵⁵ ʂʐ̩⁵⁵/",
      "tags": [
        "Mandarin",
        "Sinological-IPA"
      ]
    },
    {
      "tags": [
        "Cantonese",
        "Yale"
      ],
      "zh-pron": "yāt jih jī sī"
    },
    {
      "tags": [
        "Cantonese",
        "Pinyin"
      ],
      "zh-pron": "jat⁷ dzi⁶ dzi¹ si¹"
    },
    {
      "tags": [
        "Cantonese",
        "Guangdong-Romanization"
      ],
      "zh-pron": "yed¹ ji⁶ ji¹ xi¹"
    },
    {
      "ipa": "/jɐt̚⁵ t͡siː²² t͡siː⁵⁵ siː⁵⁵/",
      "tags": [
        "Cantonese",
        "Sinological-IPA"
      ]
    },
    {
      "ipa": "/i⁵⁵ t͡sz̩⁵¹ ʈ͡ʂʐ̩⁵⁵ ʂʐ̩⁵⁵/"
    },
    {
      "ipa": "/jɐt̚⁵ t͡siː²² t͡siː⁵⁵ siː⁵⁵/"
    }
  ],
  "word": "一字之師"
}

{
  "head_templates": [
    {
      "args": {
        "1": "zh",
        "2": "idiom"
      },
      "expansion": "一字之師",
      "name": "head"
    }
  ],
  "lang": "Chinese",
  "lang_code": "zh",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        "Cantonese four-character idioms",
        "Cantonese idioms",
        "Cantonese lemmas",
        "Chinese entries with incorrect language header",
        "Chinese four-character idioms",
        "Chinese idioms",
        "Chinese lemmas",
        "Chinese terms with IPA pronunciation",
        "Mandarin four-character idioms",
        "Mandarin idioms",
        "Mandarin lemmas",
        "Mandarin words containing 一 not undergoing tone sandhi"
      ],
      "glosses": [
        "a teacher of one word; one who can significantly improve the quality of another's writing by changing one word and thus becomes his teacher"
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "tags": [
        "Mandarin",
        "Pinyin"
      ],
      "zh-pron": "yīzìzhīshī"
    },
    {
      "tags": [
        "Mandarin",
        "bopomofo"
      ],
      "zh-pron": "ㄧ ㄗˋ ㄓ ㄕ"
    },
    {
      "tags": [
        "Cantonese",
        "Jyutping"
      ],
      "zh-pron": "jat¹ zi⁶ zi¹ si¹"
    },
    {
      "tags": [
        "Hanyu-Pinyin",
        "Mandarin"
      ],
      "zh-pron": "yīzìzhīshī"
    },
    {
      "tags": [
        "Mandarin",
        "Tongyong-Pinyin"
      ],
      "zh-pron": "yizìhjhihshih"
    },
    {
      "tags": [
        "Mandarin",
        "Wade-Giles"
      ],
      "zh-pron": "i¹-tzŭ⁴-chih¹-shih¹"
    },
    {
      "tags": [
        "Mandarin",
        "Yale"
      ],
      "zh-pron": "yī-dz̀-jr̄-shr̄"
    },
    {
      "tags": [
        "Gwoyeu-Romatsyh",
        "Mandarin"
      ],
      "zh-pron": "itzyhjyshy"
    },
    {
      "tags": [
        "Mandarin",
        "Palladius"
      ],
      "zh-pron": "ицзычжиши"
    },
    {
      "tags": [
        "Mandarin",
        "Palladius"
      ],
      "zh-pron": "iczyčžiši"
    },
    {
      "ipa": "/i⁵⁵ t͡sz̩⁵¹ ʈ͡ʂʐ̩⁵⁵ ʂʐ̩⁵⁵/",
      "tags": [
        "Mandarin",
        "Sinological-IPA"
      ]
    },
    {
      "tags": [
        "Cantonese",
        "Yale"
      ],
      "zh-pron": "yāt jih jī sī"
    },
    {
      "tags": [
        "Cantonese",
        "Pinyin"
      ],
      "zh-pron": "jat⁷ dzi⁶ dzi¹ si¹"
    },
    {
      "tags": [
        "Cantonese",
        "Guangdong-Romanization"
      ],
      "zh-pron": "yed¹ ji⁶ ji¹ xi¹"
    },
    {
      "ipa": "/jɐt̚⁵ t͡siː²² t͡siː⁵⁵ siː⁵⁵/",
      "tags": [
        "Cantonese",
        "Sinological-IPA"
      ]
    },
    {
      "ipa": "/i⁵⁵ t͡sz̩⁵¹ ʈ͡ʂʐ̩⁵⁵ ʂʐ̩⁵⁵/"
    },
    {
      "ipa": "/jɐt̚⁵ t͡siː²² t͡siː⁵⁵ siː⁵⁵/"
    }
  ],
  "word": "一字之師"
}