"your mission, should you choose to accept it" meaning in English

{
  "etymology_text": "From the TV series Mission: Impossible.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "your mission, should you choose to accept it",
      "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"
        }
      ],
      "examples": [
        {
          "ref": "2000 January 15, Peter Sagal, “Wait, Wait...Don't Tell Me!”, in National Public Radio",
          "text": "We recently heard about a particularly daring espionage coup. Your mission, should you choose to accept it, is to listen to our panelists as they describe a tactic that even Matt Helm had never thought of.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Your mission or task; what you must do."
      ],
      "id": "en-your_mission,_should_you_choose_to_accept_it-en-phrase-cH88Y76F",
      "links": [
        [
          "humorous",
          "humorous"
        ]
      ],
      "raw_glosses": [
        "(informal, humorous) Your mission or task; what you must do."
      ],
      "tags": [
        "humorous",
        "informal"
      ]
    }
  ],
  "word": "your mission, should you choose to accept it"
}

{
  "etymology_text": "From the TV series Mission: Impossible.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "your mission, should you choose to accept it",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English humorous terms",
        "English informal terms",
        "English lemmas",
        "English multiword terms",
        "English phrases",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "2000 January 15, Peter Sagal, “Wait, Wait...Don't Tell Me!”, in National Public Radio",
          "text": "We recently heard about a particularly daring espionage coup. Your mission, should you choose to accept it, is to listen to our panelists as they describe a tactic that even Matt Helm had never thought of.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Your mission or task; what you must do."
      ],
      "links": [
        [
          "humorous",
          "humorous"
        ]
      ],
      "raw_glosses": [
        "(informal, humorous) Your mission or task; what you must do."
      ],
      "tags": [
        "humorous",
        "informal"
      ]
    }
  ],
  "word": "your mission, should you choose to accept it"
}