"miles of bad road" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "p"
      },
      "expansion": "miles of bad road pl (plural only)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English pluralia tantum",
          "parents": [
            "Pluralia tantum",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2004, Field & Stream, volume 108, number 11, page 83",
          "text": "But I feel like 40 miles of bad road. I pull the sleeping bag over my head and curl my body around knobs of rock and tussocks of blueberries.",
          "type": "quotation"
        },
        {
          "ref": "2010, Eric D. Shaffer, Camouflaged Memories: Vietnam and Beyond, page 74",
          "text": "At the same time, the corporal had gone from looking like ten miles of bad road to looking like five miles of bad road.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Used with an arbitrary number to describe a person who looks or feels very bad."
      ],
      "id": "en-miles_of_bad_road-en-noun-m~V6y~bM",
      "raw_glosses": [
        "(informal) Used with an arbitrary number to describe a person who looks or feels very bad."
      ],
      "tags": [
        "informal",
        "plural",
        "plural-only"
      ],
      "translations": [
        {
          "code": "sv",
          "lang": "Swedish",
          "note": "\"(look like) seven hard years\"",
          "sense": "expression of looking terrible",
          "tags": [
            "literally"
          ],
          "word": "(se ut som) sju svåra år"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "note": "\"(look like) hi come and help me\"",
          "sense": "expression of looking terrible",
          "tags": [
            "literally"
          ],
          "word": "(se ut som) hej kom och hjälp mig"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "note": "\"(feel like) seven hard years\"",
          "sense": "expression of feeling terrible",
          "tags": [
            "literally"
          ],
          "word": "(känna sig som) sju svåra år"
        }
      ]
    }
  ],
  "word": "miles of bad road"
}

{
  "head_templates": [
    {
      "args": {
        "1": "p"
      },
      "expansion": "miles of bad road pl (plural only)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English informal terms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English pluralia tantum",
        "English terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "2004, Field & Stream, volume 108, number 11, page 83",
          "text": "But I feel like 40 miles of bad road. I pull the sleeping bag over my head and curl my body around knobs of rock and tussocks of blueberries.",
          "type": "quotation"
        },
        {
          "ref": "2010, Eric D. Shaffer, Camouflaged Memories: Vietnam and Beyond, page 74",
          "text": "At the same time, the corporal had gone from looking like ten miles of bad road to looking like five miles of bad road.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Used with an arbitrary number to describe a person who looks or feels very bad."
      ],
      "raw_glosses": [
        "(informal) Used with an arbitrary number to describe a person who looks or feels very bad."
      ],
      "tags": [
        "informal",
        "plural",
        "plural-only"
      ]
    }
  ],
  "translations": [
    {
      "code": "sv",
      "lang": "Swedish",
      "note": "\"(look like) seven hard years\"",
      "sense": "expression of looking terrible",
      "tags": [
        "literally"
      ],
      "word": "(se ut som) sju svåra år"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "note": "\"(look like) hi come and help me\"",
      "sense": "expression of looking terrible",
      "tags": [
        "literally"
      ],
      "word": "(se ut som) hej kom och hjälp mig"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "note": "\"(feel like) seven hard years\"",
      "sense": "expression of feeling terrible",
      "tags": [
        "literally"
      ],
      "word": "(känna sig som) sju svåra år"
    }
  ],
  "word": "miles of bad road"
}