"前事不忘，後事之師" meaning in 漢語

{
  "categories": [
    {
      "kind": "other",
      "name": "官話成語",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "官話詞元",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "帶「不」的漢語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "帶「之」的漢語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "帶「事」的漢語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "帶「前」的漢語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "帶「師」的漢語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "帶「後」的漢語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "帶「忘」的漢語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有不字且有變調的官話詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有國際音標的漢語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "漢語成語",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "漢語詞元",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "前事不忘，后事之师",
      "tags": [
        "Simplified Chinese"
      ]
    }
  ],
  "lang": "漢語",
  "lang_code": "zh",
  "pos": "unknown",
  "senses": [
    {
      "id": "zh-前事不忘，後事之師-zh-unknown-47DEQpj8",
      "tags": [
        "no-gloss"
      ]
    }
  ],
  "sounds": [
    {
      "tags": [
        "Mandarin",
        "Pinyin"
      ],
      "zh_pron": "qiánshì bù wàng, hòushì zhī shī"
    },
    {
      "tags": [
        "Mandarin",
        "Bopomofo"
      ],
      "zh_pron": "ㄑㄧㄢˊ ㄕˋ ㄅㄨˋ ㄨㄤˋ , ㄏㄡˋ ㄕˋ ㄓ ㄕ"
    },
    {
      "tags": [
        "Mandarin",
        "Standard Chinese",
        "Pinyin"
      ],
      "zh_pron": "qiánshì bù wàng, hòushì zhī shī [實際讀音：qiánshì bú wàng, hòushì zhī shī]"
    },
    {
      "tags": [
        "Mandarin",
        "Standard Chinese",
        "Bopomofo"
      ],
      "zh_pron": "ㄑㄧㄢˊ ㄕˋ ㄅㄨˋ ㄨㄤˋ , ㄏㄡˋ ㄕˋ ㄓ ㄕ"
    },
    {
      "tags": [
        "Mandarin",
        "Standard Chinese",
        "Tongyong-Pinyin"
      ],
      "zh_pron": "ciánshìh bù wàng, hòushìh jhih shih"
    },
    {
      "tags": [
        "Mandarin",
        "Standard Chinese",
        "Wade–Giles"
      ],
      "zh_pron": "chʻien²-shih⁴ pu⁴ wang⁴, hou⁴-shih⁴ chih¹ shih¹"
    },
    {
      "tags": [
        "Mandarin",
        "Standard Chinese",
        "Yale"
      ],
      "zh_pron": "chyán-shr̀ bù wàng-, hòu-shr̀ jr̄ shr̄"
    },
    {
      "tags": [
        "Mandarin",
        "Standard Chinese",
        "Gwoyeu-Romatsyh"
      ],
      "zh_pron": "chyanshyh bu wanq, howshyh jy shy"
    },
    {
      "tags": [
        "Mandarin",
        "Standard Chinese",
        "Palladius"
      ],
      "zh_pron": "цяньши бу ван, хоуши чжи ши (cjanʹši bu van, xouši čži ši)"
    },
    {
      "ipa": "/t͡ɕʰi̯ɛn³⁵ ʂʐ̩⁵¹ pu⁵¹⁻³⁵ wɑŋ⁵¹⁻⁵³ xoʊ̯⁵¹⁻⁵³ ʂʐ̩⁵¹ ʈ͡ʂʐ̩⁵⁵ ʂʐ̩⁵⁵/",
      "tags": [
        "Mandarin",
        "Standard Chinese",
        "Sinological-IPA"
      ]
    }
  ],
  "word": "前事不忘，後事之師"
}

{
  "categories": [
    "官話成語",
    "官話詞元",
    "帶「不」的漢語詞",
    "帶「之」的漢語詞",
    "帶「事」的漢語詞",
    "帶「前」的漢語詞",
    "帶「師」的漢語詞",
    "帶「後」的漢語詞",
    "帶「忘」的漢語詞",
    "有不字且有變調的官話詞",
    "有國際音標的漢語詞",
    "漢語成語",
    "漢語詞元"
  ],
  "forms": [
    {
      "form": "前事不忘，后事之师",
      "tags": [
        "Simplified Chinese"
      ]
    }
  ],
  "lang": "漢語",
  "lang_code": "zh",
  "pos": "unknown",
  "senses": [
    {
      "tags": [
        "no-gloss"
      ]
    }
  ],
  "sounds": [
    {
      "tags": [
        "Mandarin",
        "Pinyin"
      ],
      "zh_pron": "qiánshì bù wàng, hòushì zhī shī"
    },
    {
      "tags": [
        "Mandarin",
        "Bopomofo"
      ],
      "zh_pron": "ㄑㄧㄢˊ ㄕˋ ㄅㄨˋ ㄨㄤˋ , ㄏㄡˋ ㄕˋ ㄓ ㄕ"
    },
    {
      "tags": [
        "Mandarin",
        "Standard Chinese",
        "Pinyin"
      ],
      "zh_pron": "qiánshì bù wàng, hòushì zhī shī [實際讀音：qiánshì bú wàng, hòushì zhī shī]"
    },
    {
      "tags": [
        "Mandarin",
        "Standard Chinese",
        "Bopomofo"
      ],
      "zh_pron": "ㄑㄧㄢˊ ㄕˋ ㄅㄨˋ ㄨㄤˋ , ㄏㄡˋ ㄕˋ ㄓ ㄕ"
    },
    {
      "tags": [
        "Mandarin",
        "Standard Chinese",
        "Tongyong-Pinyin"
      ],
      "zh_pron": "ciánshìh bù wàng, hòushìh jhih shih"
    },
    {
      "tags": [
        "Mandarin",
        "Standard Chinese",
        "Wade–Giles"
      ],
      "zh_pron": "chʻien²-shih⁴ pu⁴ wang⁴, hou⁴-shih⁴ chih¹ shih¹"
    },
    {
      "tags": [
        "Mandarin",
        "Standard Chinese",
        "Yale"
      ],
      "zh_pron": "chyán-shr̀ bù wàng-, hòu-shr̀ jr̄ shr̄"
    },
    {
      "tags": [
        "Mandarin",
        "Standard Chinese",
        "Gwoyeu-Romatsyh"
      ],
      "zh_pron": "chyanshyh bu wanq, howshyh jy shy"
    },
    {
      "tags": [
        "Mandarin",
        "Standard Chinese",
        "Palladius"
      ],
      "zh_pron": "цяньши бу ван, хоуши чжи ши (cjanʹši bu van, xouši čži ši)"
    },
    {
      "ipa": "/t͡ɕʰi̯ɛn³⁵ ʂʐ̩⁵¹ pu⁵¹⁻³⁵ wɑŋ⁵¹⁻⁵³ xoʊ̯⁵¹⁻⁵³ ʂʐ̩⁵¹ ʈ͡ʂʐ̩⁵⁵ ʂʐ̩⁵⁵/",
      "tags": [
        "Mandarin",
        "Standard Chinese",
        "Sinological-IPA"
      ]
    }
  ],
  "word": "前事不忘，後事之師"
}