"alle calcagna" meaning in All languages combined

{
  "head_templates": [
    {
      "args": {},
      "expansion": "alle calcagna",
      "name": "it-adv"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Italian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "The robbers had the police hot on their heels.",
          "text": "I rapinatori avevano la polizia alle calcagna.",
          "type": "example"
        }
      ],
      "glosses": [
        "hot on the heels, close behind"
      ],
      "id": "en-alle_calcagna-it-adv-uMIKp8RS",
      "links": [
        [
          "hot on the heels",
          "hot on somebody's heels"
        ],
        [
          "close",
          "close"
        ],
        [
          "behind",
          "behind"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) hot on the heels, close behind"
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "word": "alle calcagna"
}

{
  "head_templates": [
    {
      "args": {},
      "expansion": "alle calcagna",
      "name": "it-adv"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Italian adverbs",
        "Italian entries with incorrect language header",
        "Italian idioms",
        "Italian lemmas",
        "Italian multiword terms",
        "Italian terms with usage examples",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "english": "The robbers had the police hot on their heels.",
          "text": "I rapinatori avevano la polizia alle calcagna.",
          "type": "example"
        }
      ],
      "glosses": [
        "hot on the heels, close behind"
      ],
      "links": [
        [
          "hot on the heels",
          "hot on somebody's heels"
        ],
        [
          "close",
          "close"
        ],
        [
          "behind",
          "behind"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) hot on the heels, close behind"
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "word": "alle calcagna"
}