"on it" meaning in All languages combined

{
  "lang": "English",
  "lang_code": "en",
  "pos": "prep_phrase",
  "senses": [
    {
      "categories": [
        {
          "_dis": "58 42",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "59 41",
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "65 35",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "68 32",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "64 36",
          "kind": "other",
          "name": "Terms with Polish translations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "73 27",
          "kind": "other",
          "name": "Terms with Spanish translations",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              69,
              74
            ]
          ],
          "text": "—Jack, could you take a look at my computer? It won't boot up.\n —I'm on it!",
          "type": "example"
        }
      ],
      "glosses": [
        "Actively doing something, or working to solve a (specified) problem."
      ],
      "id": "en-on_it-en-prep_phrase-vsRbE7wR",
      "raw_glosses": [
        "(informal) Actively doing something, or working to solve a (specified) problem."
      ],
      "synonyms": [
        {
          "word": "on the case"
        }
      ],
      "tags": [
        "informal"
      ],
      "translations": [
        {
          "_dis1": "64 36",
          "code": "pl",
          "lang": "Polish",
          "lang_code": "pl",
          "sense": "Translations",
          "word": "zaangażowany"
        },
        {
          "_dis1": "64 36",
          "code": "es",
          "lang": "Spanish",
          "lang_code": "es",
          "sense": "Translations",
          "word": "en ello"
        }
      ]
    },
    {
      "categories": [],
      "derived": [
        {
          "_dis1": "0 100",
          "word": "on it like a car bonnet"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              59,
              64
            ]
          ],
          "text": "Verstappen was lacklustre yesterday, but today he's really on it, posting the fastest lap time by half a second.",
          "type": "example"
        }
      ],
      "glosses": [
        "Performing at a high level; on good form."
      ],
      "id": "en-on_it-en-prep_phrase-N6SMUKF6",
      "links": [
        [
          "good form",
          "good form"
        ]
      ],
      "raw_glosses": [
        "(informal) Performing at a high level; on good form."
      ],
      "tags": [
        "informal"
      ]
    }
  ],
  "word": "on it"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English prepositional phrases",
    "Entries with translation boxes",
    "Pages with 1 entry",
    "Pages with entries",
    "Terms with Polish translations",
    "Terms with Spanish translations",
    "Translation table header lacks gloss"
  ],
  "derived": [
    {
      "word": "on it like a car bonnet"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prep_phrase",
  "senses": [
    {
      "categories": [
        "English informal terms",
        "English terms with usage examples"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              69,
              74
            ]
          ],
          "text": "—Jack, could you take a look at my computer? It won't boot up.\n —I'm on it!",
          "type": "example"
        }
      ],
      "glosses": [
        "Actively doing something, or working to solve a (specified) problem."
      ],
      "raw_glosses": [
        "(informal) Actively doing something, or working to solve a (specified) problem."
      ],
      "synonyms": [
        {
          "word": "on the case"
        }
      ],
      "tags": [
        "informal"
      ]
    },
    {
      "categories": [
        "English informal terms",
        "English terms with usage examples"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              59,
              64
            ]
          ],
          "text": "Verstappen was lacklustre yesterday, but today he's really on it, posting the fastest lap time by half a second.",
          "type": "example"
        }
      ],
      "glosses": [
        "Performing at a high level; on good form."
      ],
      "links": [
        [
          "good form",
          "good form"
        ]
      ],
      "raw_glosses": [
        "(informal) Performing at a high level; on good form."
      ],
      "tags": [
        "informal"
      ]
    }
  ],
  "translations": [
    {
      "code": "pl",
      "lang": "Polish",
      "lang_code": "pl",
      "sense": "Translations",
      "word": "zaangażowany"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "lang_code": "es",
      "sense": "Translations",
      "word": "en ello"
    }
  ],
  "word": "on it"
}