"trabajo de chinos" meaning in Spanish

{
  "etymology_templates": [
    {
      "args": {
        "1": "Chinese work"
      },
      "expansion": "“Chinese work”",
      "name": "m-g"
    },
    {
      "args": {
        "1": "Chinese work"
      },
      "expansion": "Literally, “Chinese work”",
      "name": "lit"
    }
  ],
  "etymology_text": "Literally, “Chinese work”.",
  "forms": [
    {
      "form": "trabajos de chinos",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "trabajo de chinos m (plural trabajos de chinos)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "a lot of work; difficult or long-term work"
      ],
      "id": "en-trabajo_de_chinos-es-noun-HCYh5NZC",
      "links": [
        [
          "work",
          "work"
        ],
        [
          "difficult",
          "difficult"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) a lot of work; difficult or long-term work"
      ],
      "related": [
        {
          "word": "grunt work"
        }
      ],
      "tags": [
        "idiomatic",
        "masculine"
      ]
    }
  ],
  "word": "trabajo de chinos"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "Chinese work"
      },
      "expansion": "“Chinese work”",
      "name": "m-g"
    },
    {
      "args": {
        "1": "Chinese work"
      },
      "expansion": "Literally, “Chinese work”",
      "name": "lit"
    }
  ],
  "etymology_text": "Literally, “Chinese work”.",
  "forms": [
    {
      "form": "trabajos de chinos",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "trabajo de chinos m (plural trabajos de chinos)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "related": [
    {
      "word": "grunt work"
    }
  ],
  "senses": [
    {
      "categories": [
        "Spanish countable nouns",
        "Spanish entries with incorrect language header",
        "Spanish idioms",
        "Spanish lemmas",
        "Spanish masculine nouns",
        "Spanish multiword terms",
        "Spanish nouns"
      ],
      "glosses": [
        "a lot of work; difficult or long-term work"
      ],
      "links": [
        [
          "work",
          "work"
        ],
        [
          "difficult",
          "difficult"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) a lot of work; difficult or long-term work"
      ],
      "tags": [
        "idiomatic",
        "masculine"
      ]
    }
  ],
  "word": "trabajo de chinos"
}