"in the trenches" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prepositional phrase"
      },
      "expansion": "in the trenches",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prep_phrase",
  "senses": [
    {
      "categories": [],
      "glosses": [
        "Working or operating in the most active and difficult parts of a job or business."
      ],
      "id": "en-in_the_trenches-en-prep_phrase-en:in_the_most_active_and_difficult_parts",
      "links": [
        [
          "Working",
          "work"
        ],
        [
          "operating",
          "operate"
        ],
        [
          "active",
          "active"
        ],
        [
          "difficult",
          "difficult"
        ],
        [
          "part",
          "part"
        ],
        [
          "job",
          "job"
        ],
        [
          "business",
          "business"
        ]
      ],
      "raw_glosses": [
        "(informal, idiomatic) Working or operating in the most active and difficult parts of a job or business."
      ],
      "senseid": [
        "en:in the most active and difficult parts"
      ],
      "synonyms": [
        {
          "word": "in the thick of it"
        }
      ],
      "tags": [
        "idiomatic",
        "informal"
      ]
    },
    {
      "categories": [
        {
          "_dis": "34 66",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "37 63",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "34 66",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Used other than figuratively or idiomatically: see in, the, trenches: on the front lines of trench warfare."
      ],
      "id": "en-in_the_trenches-en-prep_phrase-en:literal__sum_of_parts_sense",
      "links": [
        [
          "in",
          "in#English"
        ],
        [
          "the",
          "the#English"
        ],
        [
          "trenches",
          "trenches#English"
        ],
        [
          "front line",
          "front line"
        ],
        [
          "trench warfare",
          "trench warfare"
        ]
      ],
      "related": [
        {
          "_dis1": "37 63",
          "word": "trench broom"
        },
        {
          "_dis1": "37 63",
          "word": "trench foot"
        },
        {
          "_dis1": "37 63",
          "word": "trench knife"
        },
        {
          "_dis1": "37 63",
          "word": "trench mouth"
        }
      ],
      "senseid": [
        "en:literal, sum-of-parts sense"
      ]
    }
  ],
  "word": "in the trenches"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English prepositional phrases",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prepositional phrase"
      },
      "expansion": "in the trenches",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prep_phrase",
  "related": [
    {
      "word": "trench broom"
    },
    {
      "word": "trench foot"
    },
    {
      "word": "trench knife"
    },
    {
      "word": "trench mouth"
    }
  ],
  "senses": [
    {
      "categories": [
        "English idioms",
        "English informal terms"
      ],
      "glosses": [
        "Working or operating in the most active and difficult parts of a job or business."
      ],
      "links": [
        [
          "Working",
          "work"
        ],
        [
          "operating",
          "operate"
        ],
        [
          "active",
          "active"
        ],
        [
          "difficult",
          "difficult"
        ],
        [
          "part",
          "part"
        ],
        [
          "job",
          "job"
        ],
        [
          "business",
          "business"
        ]
      ],
      "raw_glosses": [
        "(informal, idiomatic) Working or operating in the most active and difficult parts of a job or business."
      ],
      "senseid": [
        "en:in the most active and difficult parts"
      ],
      "synonyms": [
        {
          "word": "in the thick of it"
        }
      ],
      "tags": [
        "idiomatic",
        "informal"
      ]
    },
    {
      "glosses": [
        "Used other than figuratively or idiomatically: see in, the, trenches: on the front lines of trench warfare."
      ],
      "links": [
        [
          "in",
          "in#English"
        ],
        [
          "the",
          "the#English"
        ],
        [
          "trenches",
          "trenches#English"
        ],
        [
          "front line",
          "front line"
        ],
        [
          "trench warfare",
          "trench warfare"
        ]
      ],
      "senseid": [
        "en:literal, sum-of-parts sense"
      ]
    }
  ],
  "word": "in the trenches"
}