"no sé qué y no sé cuánto" meaning in Spanish

{
  "etymology_templates": [
    {
      "args": {
        "1": "I don't know what and I don't know how much"
      },
      "expansion": "“I don't know what and I don't know how much”",
      "name": "m-g"
    },
    {
      "args": {
        "1": "I don't know what and I don't know how much"
      },
      "expansion": "Literally, “I don't know what and I don't know how much”",
      "name": "lit"
    }
  ],
  "etymology_text": "Literally, “I don't know what and I don't know how much”.",
  "head_templates": [
    {
      "args": {
        "1": "es",
        "2": "phrase"
      },
      "expansion": "no sé qué y no sé cuánto",
      "name": "head"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "(please add an English translation of this quotation)",
          "ref": "2018, Enriqueta Tuñón Pablos, Varias voces, una historia…: Mujeres exiliadas en México, Instituto Nacional de Antropología e Historia",
          "text": "Ese día fuimos por Mocambo y tomamos un café y unos cocteles y no sé qué y no sé cuánto, y vi que mi padre y aquella señora se veían mucho y de pronto le dice mi padre a ella en catalán, le dice: “Oye, tú eres Lolita ¿verdad?”",
          "type": "quotation"
        }
      ],
      "glosses": [
        "blah blah blah, this and that"
      ],
      "id": "en-no_sé_qué_y_no_sé_cuánto-es-phrase-D44cFojt",
      "links": [
        [
          "blah blah blah",
          "blah blah blah"
        ],
        [
          "this and that",
          "this and that"
        ]
      ],
      "raw_glosses": [
        "(idiomatic, colloquial) blah blah blah, this and that"
      ],
      "tags": [
        "colloquial",
        "idiomatic"
      ]
    }
  ],
  "word": "no sé qué y no sé cuánto"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "I don't know what and I don't know how much"
      },
      "expansion": "“I don't know what and I don't know how much”",
      "name": "m-g"
    },
    {
      "args": {
        "1": "I don't know what and I don't know how much"
      },
      "expansion": "Literally, “I don't know what and I don't know how much”",
      "name": "lit"
    }
  ],
  "etymology_text": "Literally, “I don't know what and I don't know how much”.",
  "head_templates": [
    {
      "args": {
        "1": "es",
        "2": "phrase"
      },
      "expansion": "no sé qué y no sé cuánto",
      "name": "head"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        "Requests for translations of Spanish quotations",
        "Spanish colloquialisms",
        "Spanish entries with incorrect language header",
        "Spanish idioms",
        "Spanish lemmas",
        "Spanish multiword terms",
        "Spanish phrases",
        "Spanish terms with quotations"
      ],
      "examples": [
        {
          "english": "(please add an English translation of this quotation)",
          "ref": "2018, Enriqueta Tuñón Pablos, Varias voces, una historia…: Mujeres exiliadas en México, Instituto Nacional de Antropología e Historia",
          "text": "Ese día fuimos por Mocambo y tomamos un café y unos cocteles y no sé qué y no sé cuánto, y vi que mi padre y aquella señora se veían mucho y de pronto le dice mi padre a ella en catalán, le dice: “Oye, tú eres Lolita ¿verdad?”",
          "type": "quotation"
        }
      ],
      "glosses": [
        "blah blah blah, this and that"
      ],
      "links": [
        [
          "blah blah blah",
          "blah blah blah"
        ],
        [
          "this and that",
          "this and that"
        ]
      ],
      "raw_glosses": [
        "(idiomatic, colloquial) blah blah blah, this and that"
      ],
      "tags": [
        "colloquial",
        "idiomatic"
      ]
    }
  ],
  "word": "no sé qué y no sé cuánto"
}