"mud on one's boots" meaning in English

{
  "etymology_text": "An allusion to various lines of work where a person is physically present on site, e.g. construction as opposed to architectural design.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "mud on one's boots (uncountable)",
      "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"
        }
      ],
      "examples": [
        {
          "ref": "1966, Teaching Engineering Design: Proceedings of the Conference on the Teaching of Engineering Design held at Scarborough between 13 and April 1966",
          "text": "The civil engineer, for all his skills, is still often known as the man with mud on his boots.",
          "type": "quotation"
        },
        {
          "ref": "2001, Stephen S. Saucerman, Moving to Commercial Construction, page 96",
          "text": "I used to place architects on a higher level, well above someone like me who works with his hands and gets mud on his boots.",
          "type": "quotation"
        },
        {
          "ref": "2008, Kenneth Allinson, Architects and Architecture of London, page 390",
          "text": "Cook never attained meaningful practical experience, but Herron loved site mud on his boots.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Practical experience."
      ],
      "id": "en-mud_on_one's_boots-en-noun-ZuJK6gE5",
      "links": [
        [
          "Practical",
          "practical"
        ],
        [
          "experience",
          "experience"
        ]
      ],
      "raw_glosses": [
        "(figurative) Practical experience."
      ],
      "tags": [
        "figuratively",
        "uncountable"
      ]
    }
  ],
  "word": "mud on one's boots"
}

{
  "etymology_text": "An allusion to various lines of work where a person is physically present on site, e.g. construction as opposed to architectural design.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "mud on one's boots (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "English uncountable nouns",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1966, Teaching Engineering Design: Proceedings of the Conference on the Teaching of Engineering Design held at Scarborough between 13 and April 1966",
          "text": "The civil engineer, for all his skills, is still often known as the man with mud on his boots.",
          "type": "quotation"
        },
        {
          "ref": "2001, Stephen S. Saucerman, Moving to Commercial Construction, page 96",
          "text": "I used to place architects on a higher level, well above someone like me who works with his hands and gets mud on his boots.",
          "type": "quotation"
        },
        {
          "ref": "2008, Kenneth Allinson, Architects and Architecture of London, page 390",
          "text": "Cook never attained meaningful practical experience, but Herron loved site mud on his boots.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Practical experience."
      ],
      "links": [
        [
          "Practical",
          "practical"
        ],
        [
          "experience",
          "experience"
        ]
      ],
      "raw_glosses": [
        "(figurative) Practical experience."
      ],
      "tags": [
        "figuratively",
        "uncountable"
      ]
    }
  ],
  "word": "mud on one's boots"
}