"keep at" meaning in English

{
  "forms": [
    {
      "form": "keeps at",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "keeping at",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "kept at",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "kept at",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "keep<,,kept> at"
      },
      "expansion": "keep at (third-person singular simple present keeps at, present participle keeping at, simple past and past participle kept at)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "_dis": "83 17",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "85 15",
          "kind": "other",
          "name": "English phrasal verbs formed with \"at\"",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "Learning a new language is hard, but if you keep at it, you'll get better.",
          "type": "example"
        }
      ],
      "glosses": [
        "To persist in."
      ],
      "id": "en-keep_at-en-verb-zkUDMBZX",
      "links": [
        [
          "persist",
          "persist"
        ]
      ],
      "raw_glosses": [
        "(transitive) To persist in."
      ],
      "tags": [
        "transitive"
      ]
    },
    {
      "categories": [],
      "examples": [
        {
          "text": "If he doesn't get back to you right away, just keep at him and eventually you'll get an answer.",
          "type": "example"
        }
      ],
      "glosses": [
        "To constrain (a person) to continue doing (a task)."
      ],
      "id": "en-keep_at-en-verb-DwVIOyfd",
      "links": [
        [
          "constrain",
          "constrain"
        ],
        [
          "doing",
          "doing"
        ]
      ],
      "raw_glosses": [
        "(transitive) To constrain (a person) to continue doing (a task)."
      ],
      "tags": [
        "transitive"
      ]
    }
  ],
  "word": "keep at"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English phrasal verbs",
    "English phrasal verbs formed with \"at\"",
    "English verbs"
  ],
  "forms": [
    {
      "form": "keeps at",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "keeping at",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "kept at",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "kept at",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "keep<,,kept> at"
      },
      "expansion": "keep at (third-person singular simple present keeps at, present participle keeping at, simple past and past participle kept at)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English terms with usage examples",
        "English transitive verbs"
      ],
      "examples": [
        {
          "text": "Learning a new language is hard, but if you keep at it, you'll get better.",
          "type": "example"
        }
      ],
      "glosses": [
        "To persist in."
      ],
      "links": [
        [
          "persist",
          "persist"
        ]
      ],
      "raw_glosses": [
        "(transitive) To persist in."
      ],
      "tags": [
        "transitive"
      ]
    },
    {
      "categories": [
        "English terms with usage examples",
        "English transitive verbs"
      ],
      "examples": [
        {
          "text": "If he doesn't get back to you right away, just keep at him and eventually you'll get an answer.",
          "type": "example"
        }
      ],
      "glosses": [
        "To constrain (a person) to continue doing (a task)."
      ],
      "links": [
        [
          "constrain",
          "constrain"
        ],
        [
          "doing",
          "doing"
        ]
      ],
      "raw_glosses": [
        "(transitive) To constrain (a person) to continue doing (a task)."
      ],
      "tags": [
        "transitive"
      ]
    }
  ],
  "word": "keep at"
}