"find out the hard way" meaning in English

{
  "forms": [
    {
      "form": "finds out the hard way",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "finding out the hard way",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "found out the hard way",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "found out the hard way",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "find<,,found> out the hard way",
        "head": "find out the hard way"
      },
      "expansion": "find out the hard way (third-person singular simple present finds out the hard way, present participle finding out the hard way, simple past and past participle found out the hard way)",
      "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"
        }
      ],
      "examples": [
        {
          "text": "I don't know how well seatbelts protect you, but I certainly don't want to find out the hard way, so I use them either way."
        },
        {
          "text": "You can't assume that someone else will call an ambulance. I learnt that the hard way after crashing my bike."
        }
      ],
      "glosses": [
        "To acquire knowledge through failure or any other undesirable experience."
      ],
      "id": "en-find_out_the_hard_way-en-verb-5F74TDoy",
      "links": [
        [
          "acquire",
          "acquire"
        ],
        [
          "failure",
          "failure"
        ],
        [
          "experience",
          "experience"
        ]
      ],
      "related": [
        {
          "word": "fuck around and find out"
        }
      ],
      "synonyms": [
        {
          "word": "learn the hard way"
        }
      ]
    }
  ],
  "sounds": [
    {
      "audio": "LL-Q1860 (eng)-Flame, not lame-find out the hard way.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/0/07/LL-Q1860_%28eng%29-Flame%2C_not_lame-find_out_the_hard_way.wav/LL-Q1860_%28eng%29-Flame%2C_not_lame-find_out_the_hard_way.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/0/07/LL-Q1860_%28eng%29-Flame%2C_not_lame-find_out_the_hard_way.wav/LL-Q1860_%28eng%29-Flame%2C_not_lame-find_out_the_hard_way.wav.ogg"
    }
  ],
  "word": "find out the hard way"
}

{
  "forms": [
    {
      "form": "finds out the hard way",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "finding out the hard way",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "found out the hard way",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "found out the hard way",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "find<,,found> out the hard way",
        "head": "find out the hard way"
      },
      "expansion": "find out the hard way (third-person singular simple present finds out the hard way, present participle finding out the hard way, simple past and past participle found out the hard way)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "related": [
    {
      "word": "fuck around and find out"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English verbs",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "text": "I don't know how well seatbelts protect you, but I certainly don't want to find out the hard way, so I use them either way."
        },
        {
          "text": "You can't assume that someone else will call an ambulance. I learnt that the hard way after crashing my bike."
        }
      ],
      "glosses": [
        "To acquire knowledge through failure or any other undesirable experience."
      ],
      "links": [
        [
          "acquire",
          "acquire"
        ],
        [
          "failure",
          "failure"
        ],
        [
          "experience",
          "experience"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "audio": "LL-Q1860 (eng)-Flame, not lame-find out the hard way.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/0/07/LL-Q1860_%28eng%29-Flame%2C_not_lame-find_out_the_hard_way.wav/LL-Q1860_%28eng%29-Flame%2C_not_lame-find_out_the_hard_way.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/0/07/LL-Q1860_%28eng%29-Flame%2C_not_lame-find_out_the_hard_way.wav/LL-Q1860_%28eng%29-Flame%2C_not_lame-find_out_the_hard_way.wav.ogg"
    }
  ],
  "synonyms": [
    {
      "word": "learn the hard way"
    }
  ],
  "word": "find out the hard way"
}