"elementary, my dear Watson" meaning in English

{
  "etymology_text": "Alluding to Sherlock Holmes, a fictional detective and protagonist of many stories by Arthur Conan Doyle. Nevertheless, the exact phrase \"elementary, my dear Watson\" was never used in Doyle's stories.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "elementary, my dear Watson",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1922, Agatha Christie, “Chapter 17”, in The Secret Adversary:",
          "text": "\"No light repartee, have you, old bean? There, there, we can't always have brains as well as beauty. What have we for lunch? Stew? How did I know? Elementary, my dear Watson—the smell of onions is unmistakable.\"",
          "type": "quote"
        },
        {
          "ref": "2005, Marcos (subcomandante.), Conversations with Durito, page 109:",
          "text": "Elementary, my dear Watson! There's an invisible element in the cabinet, a character that, without making itself known, gives coherence to and makes systemic all the braying of the government team. A boss to whose command everyone submits.",
          "type": "quote"
        },
        {
          "ref": "2020, Ethan Cross, The Ackerman Thrillers Boxset: 1-6:",
          "text": "\" […] Why wouldn't I call in the troops and end this once and for all?\" \"Elementary, my dear Watson. You don't know who to trust either. You're in the same position as me . […]\"",
          "type": "quote"
        }
      ],
      "glosses": [
        "Used to emphasize how much more clever the speaker's deductive abilities are than those of the listener."
      ],
      "id": "en-elementary,_my_dear_Watson-en-phrase-GrsixFRN",
      "links": [
        [
          "deductive",
          "deductive#English"
        ],
        [
          "abilities",
          "ability#English"
        ]
      ],
      "wikipedia": [
        "Arthur Conan Doyle",
        "Sherlock Holmes"
      ]
    }
  ],
  "word": "elementary, my dear Watson"
}

{
  "etymology_text": "Alluding to Sherlock Holmes, a fictional detective and protagonist of many stories by Arthur Conan Doyle. Nevertheless, the exact phrase \"elementary, my dear Watson\" was never used in Doyle's stories.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "elementary, my dear Watson",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English phrases",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1922, Agatha Christie, “Chapter 17”, in The Secret Adversary:",
          "text": "\"No light repartee, have you, old bean? There, there, we can't always have brains as well as beauty. What have we for lunch? Stew? How did I know? Elementary, my dear Watson—the smell of onions is unmistakable.\"",
          "type": "quote"
        },
        {
          "ref": "2005, Marcos (subcomandante.), Conversations with Durito, page 109:",
          "text": "Elementary, my dear Watson! There's an invisible element in the cabinet, a character that, without making itself known, gives coherence to and makes systemic all the braying of the government team. A boss to whose command everyone submits.",
          "type": "quote"
        },
        {
          "ref": "2020, Ethan Cross, The Ackerman Thrillers Boxset: 1-6:",
          "text": "\" […] Why wouldn't I call in the troops and end this once and for all?\" \"Elementary, my dear Watson. You don't know who to trust either. You're in the same position as me . […]\"",
          "type": "quote"
        }
      ],
      "glosses": [
        "Used to emphasize how much more clever the speaker's deductive abilities are than those of the listener."
      ],
      "links": [
        [
          "deductive",
          "deductive#English"
        ],
        [
          "abilities",
          "ability#English"
        ]
      ],
      "wikipedia": [
        "Arthur Conan Doyle",
        "Sherlock Holmes"
      ]
    }
  ],
  "word": "elementary, my dear Watson"
}