"rough edges" meaning in English

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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "ref": "2023 November 29, 'Mystery Shopper', “Does the railway deliver for passengers?”, in RAIL, number 997, page 53:",
          "text": "But overall, I think the railway delivered very well on my travels. I'd give it 9/10 - there are just a few little rough edges that need smoothing off.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Minor imperfections."
      ],
      "id": "en-rough_edges-en-noun-cU5G4LI6",
      "links": [
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          "imperfection",
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      "raw_glosses": [
        "(figurative) Minor imperfections."
      ],
      "related": [
        {
          "word": "rough around the edges"
        }
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      "tags": [
        "figuratively"
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  "word": "rough edges"
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      "expansion": "rough edges",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "rough around the edges"
    }
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      "examples": [
        {
          "ref": "2023 November 29, 'Mystery Shopper', “Does the railway deliver for passengers?”, in RAIL, number 997, page 53:",
          "text": "But overall, I think the railway delivered very well on my travels. I'd give it 9/10 - there are just a few little rough edges that need smoothing off.",
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        }
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      "glosses": [
        "Minor imperfections."
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        "(figurative) Minor imperfections."
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  "word": "rough edges"
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