"cement hands" meaning in English

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      "expansion": "cement hands pl (plural only)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "orig": "en:Sports",
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      ],
      "glosses": [
        "Hands that do not catch or grip well because they are too tense."
      ],
      "id": "en-cement_hands-en-noun-AEk6Crvj",
      "links": [
        [
          "sports",
          "sports"
        ],
        [
          "catch",
          "catch"
        ],
        [
          "grip",
          "grip"
        ],
        [
          "tense",
          "tense"
        ]
      ],
      "raw_glosses": [
        "(sports, informal) Hands that do not catch or grip well because they are too tense."
      ],
      "tags": [
        "informal",
        "plural",
        "plural-only"
      ],
      "topics": [
        "hobbies",
        "lifestyle",
        "sports"
      ]
    }
  ],
  "word": "cement hands"
}

{
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      "expansion": "cement hands pl (plural only)",
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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "Hands that do not catch or grip well because they are too tense."
      ],
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        [
          "sports",
          "sports"
        ],
        [
          "catch",
          "catch"
        ],
        [
          "grip",
          "grip"
        ],
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          "tense",
          "tense"
        ]
      ],
      "raw_glosses": [
        "(sports, informal) Hands that do not catch or grip well because they are too tense."
      ],
      "tags": [
        "informal",
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        "plural-only"
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      "topics": [
        "hobbies",
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  ],
  "word": "cement hands"
}