"upset the apple cart" meaning in English

{
  "forms": [
    {
      "form": "upsets the apple cart",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "upsetting the apple cart",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "upset the apple cart",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "upset the apple cart",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "upset<,++,upset> the apple cart"
      },
      "expansion": "upset the apple cart (third-person singular simple present upsets the apple cart, present participle upsetting the apple cart, simple past and past participle upset the apple cart)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "alt_of": [
        {
          "word": "upset the applecart"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2020 November 4, “Stocks Rally as Wall St. Sees Silver Lining in Divided Government”, in New York Times",
          "text": "“At this point, we’ve got a couple days’ good grace with the market — but we need a winner fairly soon or it’s going to upset the apple cart,” said Ryan Detrick, the chief market strategist at LPL Financial.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of upset the applecart"
      ],
      "id": "en-upset_the_apple_cart-en-verb-mhLoZ5or",
      "links": [
        [
          "upset the applecart",
          "upset the applecart#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "upset the apple cart"
}

{
  "forms": [
    {
      "form": "upsets the apple cart",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "upsetting the apple cart",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "upset the apple cart",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "upset the apple cart",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "upset<,++,upset> the apple cart"
      },
      "expansion": "upset the apple cart (third-person singular simple present upsets the apple cart, present participle upsetting the apple cart, simple past and past participle upset the apple cart)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "alt_of": [
        {
          "word": "upset the applecart"
        }
      ],
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English terms with quotations",
        "English verbs"
      ],
      "examples": [
        {
          "ref": "2020 November 4, “Stocks Rally as Wall St. Sees Silver Lining in Divided Government”, in New York Times",
          "text": "“At this point, we’ve got a couple days’ good grace with the market — but we need a winner fairly soon or it’s going to upset the apple cart,” said Ryan Detrick, the chief market strategist at LPL Financial.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of upset the applecart"
      ],
      "links": [
        [
          "upset the applecart",
          "upset the applecart#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "upset the apple cart"
}