"do a power of good" meaning in English

{
  "etymology_text": "From do good + a power of (“a lot of”).",
  "forms": [
    {
      "form": "does a power of good",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "doing a power of good",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "did a power of good",
      "tags": [
        "past"
      ]
    },
    {
      "form": "done a power of good",
      "tags": [
        "participle",
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "do<does,,did,done> a power of good"
      },
      "expansion": "do a power of good (third-person singular simple present does a power of good, present participle doing a power of good, simple past did a power of good, past participle done a power of good)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "British English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Finnish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with French translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Polish translations",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "A spell in the army will do these delinquents a power of good.",
          "type": "example"
        },
        {
          "text": "I feel much better. The week at the health spa did a power of good.",
          "type": "example"
        }
      ],
      "glosses": [
        "To be highly beneficial (to someone)."
      ],
      "id": "en-do_a_power_of_good-en-verb-sELDzjJ0",
      "links": [
        [
          "highly",
          "highly"
        ],
        [
          "beneficial",
          "beneficial"
        ]
      ],
      "raw_glosses": [
        "(UK, transitive, intransitive) To be highly beneficial (to someone)."
      ],
      "related": [
        {
          "word": "do a fat lot of good"
        }
      ],
      "synonyms": [
        {
          "word": "do a world of good"
        },
        {
          "word": "do the world of good"
        },
        {
          "word": "do the power of good"
        }
      ],
      "tags": [
        "UK",
        "intransitive",
        "transitive"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "Translations",
          "word": "tehdä hyvää"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "Translations",
          "word": "faire un bien fou"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "Translations",
          "word": "faire le plus grand bien"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "Translations",
          "tags": [
            "imperfective"
          ],
          "word": "robić dobrze"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "Translations",
          "tags": [
            "perfective"
          ],
          "word": "zrobić dobrze"
        }
      ]
    }
  ],
  "word": "do a power of good"
}

{
  "etymology_text": "From do good + a power of (“a lot of”).",
  "forms": [
    {
      "form": "does a power of good",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "doing a power of good",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "did a power of good",
      "tags": [
        "past"
      ]
    },
    {
      "form": "done a power of good",
      "tags": [
        "participle",
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "do<does,,did,done> a power of good"
      },
      "expansion": "do a power of good (third-person singular simple present does a power of good, present participle doing a power of good, simple past did a power of good, past participle done a power of good)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "related": [
    {
      "word": "do a fat lot of good"
    }
  ],
  "senses": [
    {
      "categories": [
        "British English",
        "English entries with incorrect language header",
        "English intransitive verbs",
        "English lemmas",
        "English multiword terms",
        "English terms with usage examples",
        "English transitive verbs",
        "English verbs",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Finnish translations",
        "Terms with French translations",
        "Terms with Polish translations",
        "Translation table header lacks gloss"
      ],
      "examples": [
        {
          "text": "A spell in the army will do these delinquents a power of good.",
          "type": "example"
        },
        {
          "text": "I feel much better. The week at the health spa did a power of good.",
          "type": "example"
        }
      ],
      "glosses": [
        "To be highly beneficial (to someone)."
      ],
      "links": [
        [
          "highly",
          "highly"
        ],
        [
          "beneficial",
          "beneficial"
        ]
      ],
      "raw_glosses": [
        "(UK, transitive, intransitive) To be highly beneficial (to someone)."
      ],
      "synonyms": [
        {
          "word": "do a world of good"
        },
        {
          "word": "do the world of good"
        }
      ],
      "tags": [
        "UK",
        "intransitive",
        "transitive"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "do the power of good"
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "Translations",
      "word": "tehdä hyvää"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "Translations",
      "word": "faire un bien fou"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "Translations",
      "word": "faire le plus grand bien"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "Translations",
      "tags": [
        "imperfective"
      ],
      "word": "robić dobrze"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "Translations",
      "tags": [
        "perfective"
      ],
      "word": "zrobić dobrze"
    }
  ],
  "word": "do a power of good"
}