"fingers crossed" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "cross one's fingers"
      },
      "expansion": "cross one's fingers",
      "name": "m"
    }
  ],
  "etymology_text": "See cross one's fingers",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "fingers crossed (not comparable)",
      "name": "en-adv"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "senses": [
    {
      "categories": [],
      "examples": [
        {
          "text": "We'll make it to the finals, fingers crossed.",
          "type": "example"
        }
      ],
      "glosses": [
        "hopefully"
      ],
      "id": "en-fingers_crossed-en-adv-GrVwk3za",
      "links": [
        [
          "hopefully",
          "hopefully"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "fingers crossed"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "cross one's fingers"
      },
      "expansion": "cross one's fingers",
      "name": "m"
    }
  ],
  "etymology_text": "See cross one's fingers",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "fingers crossed",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "_dis": "0 100",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "The college application is in the mail. Fingers crossed!",
          "type": "example"
        }
      ],
      "glosses": [
        "- used to express that one is expectant and hoping."
      ],
      "id": "en-fingers_crossed-en-phrase-yVtvOoBR",
      "related": [
        {
          "word": "cross one's fingers"
        }
      ],
      "synonyms": [
        {
          "_dis1": "0 100",
          "word": "crossed fingers"
        },
        {
          "_dis1": "0 100",
          "tags": [
            "emphatic",
            "humorous"
          ],
          "word": "fingers and toes crossed"
        }
      ],
      "translations": [
        {
          "code": "fr",
          "lang": "French",
          "sense": "expresses that one is expectant",
          "word": "croisons les doigts"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "expresses that one is expectant",
          "word": "je/on touche du bois"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "expresses that one is expectant",
          "word": "hålla tummarna"
        }
      ]
    }
  ],
  "word": "fingers crossed"
}

{
  "categories": [
    "English adverbs",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English phrases",
    "English uncomparable adverbs"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "cross one's fingers"
      },
      "expansion": "cross one's fingers",
      "name": "m"
    }
  ],
  "etymology_text": "See cross one's fingers",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "fingers crossed (not comparable)",
      "name": "en-adv"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "English terms with usage examples"
      ],
      "examples": [
        {
          "text": "We'll make it to the finals, fingers crossed.",
          "type": "example"
        }
      ],
      "glosses": [
        "hopefully"
      ],
      "links": [
        [
          "hopefully",
          "hopefully"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "crossed fingers"
    },
    {
      "tags": [
        "emphatic",
        "humorous"
      ],
      "word": "fingers and toes crossed"
    }
  ],
  "word": "fingers crossed"
}

{
  "categories": [
    "English adverbs",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English phrases",
    "English uncomparable adverbs"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "cross one's fingers"
      },
      "expansion": "cross one's fingers",
      "name": "m"
    }
  ],
  "etymology_text": "See cross one's fingers",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "fingers crossed",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "related": [
    {
      "word": "cross one's fingers"
    }
  ],
  "senses": [
    {
      "categories": [
        "English terms with usage examples"
      ],
      "examples": [
        {
          "text": "The college application is in the mail. Fingers crossed!",
          "type": "example"
        }
      ],
      "glosses": [
        "- used to express that one is expectant and hoping."
      ]
    }
  ],
  "synonyms": [
    {
      "word": "crossed fingers"
    },
    {
      "tags": [
        "emphatic",
        "humorous"
      ],
      "word": "fingers and toes crossed"
    }
  ],
  "translations": [
    {
      "code": "fr",
      "lang": "French",
      "sense": "expresses that one is expectant",
      "word": "croisons les doigts"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "expresses that one is expectant",
      "word": "je/on touche du bois"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "expresses that one is expectant",
      "word": "hålla tummarna"
    }
  ],
  "word": "fingers crossed"
}