"a tradimento" meaning in Italian

{
  "etymology_templates": [
    {
      "args": {
        "1": "at betrayal"
      },
      "expansion": "“at betrayal”",
      "name": "m-g"
    },
    {
      "args": {
        "1": "at betrayal"
      },
      "expansion": "Literally, “at betrayal”",
      "name": "lit"
    }
  ],
  "etymology_text": "Literally, “at betrayal”.",
  "head_templates": [
    {
      "args": {
        "1": "it",
        "2": "prepositional phrase"
      },
      "expansion": "a tradimento",
      "name": "head"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "prep_phrase",
  "senses": [
    {
      "categories": [],
      "examples": [
        {
          "english": "an unexpected question",
          "text": "una domanda a tradimento",
          "type": "example"
        }
      ],
      "glosses": [
        "in an unexpected way; by surprise"
      ],
      "id": "en-a_tradimento-it-prep_phrase-urxSZ4uO",
      "links": [
        [
          "unexpected",
          "unexpected"
        ],
        [
          "by surprise",
          "by surprise"
        ]
      ],
      "synonyms": [
        {
          "word": "di sorpresa"
        },
        {
          "word": "alla sprovvista"
        },
        {
          "word": "in castagna"
        },
        {
          "word": "alle spalle"
        }
      ]
    },
    {
      "categories": [
        {
          "_dis": "7 93",
          "kind": "other",
          "name": "Italian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "8 92",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "6 94",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "Fu colpito a tradimento.\nHe was stabbed in the back.\n(literally, “He was hit treacherously.”)",
          "type": "example"
        }
      ],
      "glosses": [
        "by treachery; treacherously"
      ],
      "id": "en-a_tradimento-it-prep_phrase-ipE-ICgu",
      "links": [
        [
          "treachery",
          "treachery"
        ]
      ],
      "synonyms": [
        {
          "word": "alle spalle"
        }
      ]
    }
  ],
  "word": "a tradimento"
}

{
  "categories": [
    "Italian entries with incorrect language header",
    "Italian lemmas",
    "Italian multiword terms",
    "Italian prepositional phrases",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "at betrayal"
      },
      "expansion": "“at betrayal”",
      "name": "m-g"
    },
    {
      "args": {
        "1": "at betrayal"
      },
      "expansion": "Literally, “at betrayal”",
      "name": "lit"
    }
  ],
  "etymology_text": "Literally, “at betrayal”.",
  "head_templates": [
    {
      "args": {
        "1": "it",
        "2": "prepositional phrase"
      },
      "expansion": "a tradimento",
      "name": "head"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "prep_phrase",
  "senses": [
    {
      "categories": [
        "Italian terms with usage examples"
      ],
      "examples": [
        {
          "english": "an unexpected question",
          "text": "una domanda a tradimento",
          "type": "example"
        }
      ],
      "glosses": [
        "in an unexpected way; by surprise"
      ],
      "links": [
        [
          "unexpected",
          "unexpected"
        ],
        [
          "by surprise",
          "by surprise"
        ]
      ],
      "synonyms": [
        {
          "word": "di sorpresa"
        },
        {
          "word": "alla sprovvista"
        },
        {
          "word": "in castagna"
        },
        {
          "word": "alle spalle"
        }
      ]
    },
    {
      "categories": [
        "Italian terms with usage examples"
      ],
      "examples": [
        {
          "text": "Fu colpito a tradimento.\nHe was stabbed in the back.\n(literally, “He was hit treacherously.”)",
          "type": "example"
        }
      ],
      "glosses": [
        "by treachery; treacherously"
      ],
      "links": [
        [
          "treachery",
          "treachery"
        ]
      ],
      "synonyms": [
        {
          "word": "alle spalle"
        }
      ]
    }
  ],
  "word": "a tradimento"
}