"onder de knie" meaning in Dutch

{
  "etymology_templates": [
    {
      "args": {
        "1": "under the knee"
      },
      "expansion": "“under the knee”",
      "name": "m-g"
    },
    {
      "args": {
        "1": "under the knee"
      },
      "expansion": "Literally, “under the knee”",
      "name": "lit"
    }
  ],
  "etymology_text": "Literally, “under the knee”.",
  "head_templates": [
    {
      "args": {
        "1": "nl",
        "2": "prepositional phrase"
      },
      "expansion": "onder de knie",
      "name": "head"
    }
  ],
  "lang": "Dutch",
  "lang_code": "nl",
  "pos": "prep_phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Dutch entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "After 30 driving lessons, I finally have a handle on driving a car.",
          "text": "Na 30 rijlessen heb ik eindelijk autorijden onder de knie.",
          "type": "example"
        }
      ],
      "glosses": [
        "learned, mastered, (having something) down"
      ],
      "id": "en-onder_de_knie-nl-prep_phrase-AqB8PEuv",
      "links": [
        [
          "learned",
          "learned"
        ],
        [
          "mastered",
          "mastered"
        ],
        [
          "down",
          "down"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) learned, mastered, (having something) down"
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌɔn.dər də ˈkni/"
    }
  ],
  "word": "onder de knie"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "under the knee"
      },
      "expansion": "“under the knee”",
      "name": "m-g"
    },
    {
      "args": {
        "1": "under the knee"
      },
      "expansion": "Literally, “under the knee”",
      "name": "lit"
    }
  ],
  "etymology_text": "Literally, “under the knee”.",
  "head_templates": [
    {
      "args": {
        "1": "nl",
        "2": "prepositional phrase"
      },
      "expansion": "onder de knie",
      "name": "head"
    }
  ],
  "lang": "Dutch",
  "lang_code": "nl",
  "pos": "prep_phrase",
  "senses": [
    {
      "categories": [
        "Dutch entries with incorrect language header",
        "Dutch idioms",
        "Dutch lemmas",
        "Dutch multiword terms",
        "Dutch prepositional phrases",
        "Dutch terms with usage examples",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "english": "After 30 driving lessons, I finally have a handle on driving a car.",
          "text": "Na 30 rijlessen heb ik eindelijk autorijden onder de knie.",
          "type": "example"
        }
      ],
      "glosses": [
        "learned, mastered, (having something) down"
      ],
      "links": [
        [
          "learned",
          "learned"
        ],
        [
          "mastered",
          "mastered"
        ],
        [
          "down",
          "down"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) learned, mastered, (having something) down"
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌɔn.dər də ˈkni/"
    }
  ],
  "word": "onder de knie"
}