"throw in at the deep end" meaning in English

{
  "etymology_text": "From allusion to an actual swimming pool with a shallow end and deep end. In the shallow end, a person can stand on the bottom. In the deep end, the water is too deep to do this, so a person must be able to swim or at least tread water or drown.",
  "forms": [
    {
      "form": "throws in at the deep end",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "throwing in at the deep end",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "threw in at the deep end",
      "tags": [
        "past"
      ]
    },
    {
      "form": "thrown in at the deep end",
      "tags": [
        "participle",
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "throw<,,threw,thrown> in at the deep end"
      },
      "expansion": "throw in at the deep end (third-person singular simple present throws in at the deep end, present participle throwing in at the deep end, simple past threw in at the deep end, past participle thrown in at the deep end)",
      "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": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "To introduce (someone) to a new situation without adequate preparation."
      ],
      "id": "en-throw_in_at_the_deep_end-en-verb-d8-WzX00",
      "links": [
        [
          "introduce",
          "introduce"
        ],
        [
          "situation",
          "situation"
        ],
        [
          "adequate",
          "adequate"
        ],
        [
          "preparation",
          "preparation"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) To introduce (someone) to a new situation without adequate preparation."
      ],
      "related": [
        {
          "word": "hit the ground running"
        },
        {
          "word": "sink or swim"
        },
        {
          "word": "in at the deep end"
        }
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-throw in at the deep end.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/3/39/En-au-throw_in_at_the_deep_end.ogg/En-au-throw_in_at_the_deep_end.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/3/39/En-au-throw_in_at_the_deep_end.ogg"
    }
  ],
  "word": "throw in at the deep end"
}

{
  "etymology_text": "From allusion to an actual swimming pool with a shallow end and deep end. In the shallow end, a person can stand on the bottom. In the deep end, the water is too deep to do this, so a person must be able to swim or at least tread water or drown.",
  "forms": [
    {
      "form": "throws in at the deep end",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "throwing in at the deep end",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "threw in at the deep end",
      "tags": [
        "past"
      ]
    },
    {
      "form": "thrown in at the deep end",
      "tags": [
        "participle",
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "throw<,,threw,thrown> in at the deep end"
      },
      "expansion": "throw in at the deep end (third-person singular simple present throws in at the deep end, present participle throwing in at the deep end, simple past threw in at the deep end, past participle thrown in at the deep end)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "related": [
    {
      "word": "hit the ground running"
    },
    {
      "word": "sink or swim"
    },
    {
      "word": "in at the deep end"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English idioms",
        "English lemmas",
        "English multiword terms",
        "English verbs",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "To introduce (someone) to a new situation without adequate preparation."
      ],
      "links": [
        [
          "introduce",
          "introduce"
        ],
        [
          "situation",
          "situation"
        ],
        [
          "adequate",
          "adequate"
        ],
        [
          "preparation",
          "preparation"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) To introduce (someone) to a new situation without adequate preparation."
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-throw in at the deep end.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/3/39/En-au-throw_in_at_the_deep_end.ogg/En-au-throw_in_at_the_deep_end.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/3/39/En-au-throw_in_at_the_deep_end.ogg"
    }
  ],
  "word": "throw in at the deep end"
}