"here goes nothing" meaning in English

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        "head": "here goes nothing"
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      "expansion": "here goes nothing",
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  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
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      "examples": [
        {
          "text": "Well, I checked everything and I think it's wired up correctly, so I guess all that's left is to turn it on. Here goes nothing!",
          "type": "example"
        }
      ],
      "glosses": [
        "Indicates a lack of confidence or certainty about the activity about to be tried."
      ],
      "id": "en-here_goes_nothing-en-intj-34dnXDRy",
      "links": [
        [
          "lack",
          "lack#English"
        ],
        [
          "confidence",
          "confidence#English"
        ],
        [
          "certainty",
          "certainty#English"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) Indicates a lack of confidence or certainty about the activity about to be tried."
      ],
      "synonyms": [
        {
          "sense": "indicates a lack of confidence or certainty",
          "word": "here goes"
        }
      ],
      "tags": [
        "idiomatic"
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      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "guǎn bùliǎo nàme duō le",
          "sense": "indicates a lack of confidence or certainty",
          "word": "管不了那麽多了 /管不了那么多了"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "indicates a lack of confidence or certainty",
          "word": "meni syteen tai saveen"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "indicates a lack of confidence or certainty",
          "word": "katsotaan miten käy"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "indicates a lack of confidence or certainty",
          "word": "was soll schon schiefgehen"
        },
        {
          "code": "it",
          "lang": "Italian",
          "sense": "indicates a lack of confidence or certainty",
          "word": "o la va o la spacca"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "indicates a lack of confidence or certainty",
          "word": "raz kozie śmierć"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "bylá ne bylá",
          "sense": "indicates a lack of confidence or certainty",
          "word": "была́ не была́"
        }
      ]
    }
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  "word": "here goes nothing"
}

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  "lang_code": "en",
  "pos": "intj",
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          "type": "example"
        }
      ],
      "glosses": [
        "Indicates a lack of confidence or certainty about the activity about to be tried."
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        "(idiomatic) Indicates a lack of confidence or certainty about the activity about to be tried."
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  "synonyms": [
    {
      "sense": "indicates a lack of confidence or certainty",
      "word": "here goes"
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "guǎn bùliǎo nàme duō le",
      "sense": "indicates a lack of confidence or certainty",
      "word": "管不了那麽多了 /管不了那么多了"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "indicates a lack of confidence or certainty",
      "word": "meni syteen tai saveen"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "indicates a lack of confidence or certainty",
      "word": "katsotaan miten käy"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "indicates a lack of confidence or certainty",
      "word": "was soll schon schiefgehen"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "indicates a lack of confidence or certainty",
      "word": "o la va o la spacca"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "indicates a lack of confidence or certainty",
      "word": "raz kozie śmierć"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "bylá ne bylá",
      "sense": "indicates a lack of confidence or certainty",
      "word": "была́ не была́"
    }
  ],
  "word": "here goes nothing"
}