"through the mill" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "through the mill (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1907, E.M. Forster, The Longest Journey, Part II, XVIii [Uniform ed., p. 192]",
          "text": "My father found me a nuisance, and put me through the mill, and I can never forget it particularly the evenings."
        },
        {
          "ref": "1999, J. K. Rowling, chapter 4, in Harry Potter and the Prisoner of Azkaban, Bloomsbury",
          "text": "‘He’s been through the mill, this one,’ she said.",
          "type": "quotation"
        },
        {
          "text": "put through the mill",
          "type": "example"
        }
      ],
      "glosses": [
        "Through a period of bad treatment or an ordeal."
      ],
      "id": "en-through_the_mill-en-adj-thJg-os7",
      "links": [
        [
          "ordeal",
          "ordeal"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) Through a period of bad treatment or an ordeal."
      ],
      "tags": [
        "idiomatic",
        "not-comparable"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-through the mill.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/3/3d/En-au-through_the_mill.ogg/En-au-through_the_mill.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/3/3d/En-au-through_the_mill.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "through the mill"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "through the mill (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English idioms",
        "English lemmas",
        "English multiword terms",
        "English terms with audio links",
        "English terms with quotations",
        "English terms with usage examples",
        "English uncomparable adjectives"
      ],
      "examples": [
        {
          "ref": "1907, E.M. Forster, The Longest Journey, Part II, XVIii [Uniform ed., p. 192]",
          "text": "My father found me a nuisance, and put me through the mill, and I can never forget it particularly the evenings."
        },
        {
          "ref": "1999, J. K. Rowling, chapter 4, in Harry Potter and the Prisoner of Azkaban, Bloomsbury",
          "text": "‘He’s been through the mill, this one,’ she said.",
          "type": "quotation"
        },
        {
          "text": "put through the mill",
          "type": "example"
        }
      ],
      "glosses": [
        "Through a period of bad treatment or an ordeal."
      ],
      "links": [
        [
          "ordeal",
          "ordeal"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) Through a period of bad treatment or an ordeal."
      ],
      "tags": [
        "idiomatic",
        "not-comparable"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-through the mill.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/3/3d/En-au-through_the_mill.ogg/En-au-through_the_mill.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/3/3d/En-au-through_the_mill.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "through the mill"
}