"hand-in-hand" meaning in English

{
  "head_templates": [
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      "args": {
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      "expansion": "hand-in-hand (not comparable)",
      "name": "en-adv"
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  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "senses": [
    {
      "alt_of": [
        {
          "word": "hand in hand"
        }
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      "examples": [
        {
          "ref": "2020 January 2, Barry Doe, “Excellent fares changes on Transport for Wales”, in Rail, page 63",
          "text": "All-in-all, these are significant benefits for Welsh users and go hand-in-hand with improved train services, [...]",
          "type": "quotation"
        }
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      "glosses": [
        "Alternative spelling of hand in hand"
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      "id": "en-hand-in-hand-en-adv-xq~zX2Xf",
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          "hand in hand",
          "hand in hand#English"
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  "sounds": [
    {
      "audio": "En-us-hand-in-hand.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/5/5a/En-us-hand-in-hand.ogg/En-us-hand-in-hand.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/5/5a/En-us-hand-in-hand.ogg",
      "tags": [
        "US"
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  ],
  "word": "hand-in-hand"
}

{
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    {
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      "expansion": "hand-in-hand (not comparable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "senses": [
    {
      "alt_of": [
        {
          "word": "hand in hand"
        }
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        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English lemmas",
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        {
          "ref": "2020 January 2, Barry Doe, “Excellent fares changes on Transport for Wales”, in Rail, page 63",
          "text": "All-in-all, these are significant benefits for Welsh users and go hand-in-hand with improved train services, [...]",
          "type": "quotation"
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      ],
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          "hand in hand",
          "hand in hand#English"
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  "word": "hand-in-hand"
}