"plug away" meaning in English

{
  "forms": [
    {
      "form": "plugs away",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "plugging away",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "plugged away",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "plugged away",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "plug away (third-person singular simple present plugs away, present participle plugging away, simple past and past participle plugged away)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English phrasal verbs with particle (away)",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "He kept plugging away at the work until it was done.",
          "type": "example"
        },
        {
          "ref": "2020 May 20, John Crosse, “Soon to be gone... but never forgotten”, in Rail, page 63, photo caption",
          "text": "The end is nigh (or at least it was supposed to be), but the Pacers in northern England kept plugging away providing a service while awaiting the much-delayed arrival of their replacements.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "To persist or continue, as with an effort."
      ],
      "id": "en-plug_away-en-verb-zbSSsfk9",
      "links": [
        [
          "persist",
          "persist"
        ],
        [
          "continue",
          "continue"
        ],
        [
          "effort",
          "effort"
        ]
      ],
      "raw_glosses": [
        "(informal) To persist or continue, as with an effort."
      ],
      "related": [
        {
          "word": "chip away"
        }
      ],
      "tags": [
        "informal"
      ],
      "translations": [
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "korpétʹ",
          "sense": "To persist",
          "tags": [
            "neuter"
          ],
          "word": "корпе́ть"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "paxátʹ",
          "sense": "To persist",
          "tags": [
            "neuter"
          ],
          "word": "паха́ть"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "nadryvátʹsja",
          "sense": "To persist",
          "tags": [
            "neuter"
          ],
          "word": "надрыва́ться"
        }
      ]
    }
  ],
  "word": "plug away"
}

{
  "forms": [
    {
      "form": "plugs away",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "plugging away",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "plugged away",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "plugged away",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "plug away (third-person singular simple present plugs away, present participle plugging away, simple past and past participle plugged away)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "related": [
    {
      "word": "chip away"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English informal terms",
        "English lemmas",
        "English multiword terms",
        "English phrasal verbs",
        "English phrasal verbs with particle (away)",
        "English terms with quotations",
        "English terms with usage examples",
        "English verbs"
      ],
      "examples": [
        {
          "text": "He kept plugging away at the work until it was done.",
          "type": "example"
        },
        {
          "ref": "2020 May 20, John Crosse, “Soon to be gone... but never forgotten”, in Rail, page 63, photo caption",
          "text": "The end is nigh (or at least it was supposed to be), but the Pacers in northern England kept plugging away providing a service while awaiting the much-delayed arrival of their replacements.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "To persist or continue, as with an effort."
      ],
      "links": [
        [
          "persist",
          "persist"
        ],
        [
          "continue",
          "continue"
        ],
        [
          "effort",
          "effort"
        ]
      ],
      "raw_glosses": [
        "(informal) To persist or continue, as with an effort."
      ],
      "tags": [
        "informal"
      ]
    }
  ],
  "translations": [
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "korpétʹ",
      "sense": "To persist",
      "tags": [
        "neuter"
      ],
      "word": "корпе́ть"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "paxátʹ",
      "sense": "To persist",
      "tags": [
        "neuter"
      ],
      "word": "паха́ть"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "nadryvátʹsja",
      "sense": "To persist",
      "tags": [
        "neuter"
      ],
      "word": "надрыва́ться"
    }
  ],
  "word": "plug away"
}