"it happens" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "it happens",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "John said, \"I'm sorry for knocking you over.\" Linda said, \"It's okay. It happens.\""
        }
      ],
      "glosses": [
        "Worrying is not necessary, since it is common to make this mistake or for this to occur."
      ],
      "id": "en-it_happens-en-phrase-wAhqbqxp",
      "links": [
        [
          "Worrying",
          "worry#English"
        ],
        [
          "common",
          "common#English"
        ],
        [
          "mistake",
          "mistake#English"
        ],
        [
          "occur",
          "occur#English"
        ]
      ],
      "related": [
        {
          "word": "shit happens"
        }
      ],
      "synonyms": [
        {
          "word": "these things happen"
        }
      ],
      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "sense": "worrying is not necessary",
          "word": "這是常有的事"
        },
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "zhè shì cháng yǒu de shì",
          "sense": "worrying is not necessary",
          "word": "这是常有的事"
        },
        {
          "code": "nl",
          "lang": "Dutch",
          "sense": "worrying is not necessary",
          "word": "dat gebeurt"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "worrying is not necessary",
          "word": "ça arrive"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "worrying is not necessary",
          "word": "das kann schon mal passieren"
        },
        {
          "code": "hu",
          "lang": "Hungarian",
          "sense": "worrying is not necessary",
          "word": "megesik"
        },
        {
          "code": "hu",
          "lang": "Hungarian",
          "sense": "worrying is not necessary",
          "word": "előfordul"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "worrying is not necessary",
          "word": "zdarza się"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "s kem ni byvajet",
          "sense": "worrying is not necessary",
          "word": "с кем ни бывает"
        }
      ]
    }
  ],
  "word": "it happens"
}

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "it happens",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "related": [
    {
      "word": "shit happens"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English phrases"
      ],
      "examples": [
        {
          "text": "John said, \"I'm sorry for knocking you over.\" Linda said, \"It's okay. It happens.\""
        }
      ],
      "glosses": [
        "Worrying is not necessary, since it is common to make this mistake or for this to occur."
      ],
      "links": [
        [
          "Worrying",
          "worry#English"
        ],
        [
          "common",
          "common#English"
        ],
        [
          "mistake",
          "mistake#English"
        ],
        [
          "occur",
          "occur#English"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "word": "these things happen"
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "sense": "worrying is not necessary",
      "word": "這是常有的事"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "zhè shì cháng yǒu de shì",
      "sense": "worrying is not necessary",
      "word": "这是常有的事"
    },
    {
      "code": "nl",
      "lang": "Dutch",
      "sense": "worrying is not necessary",
      "word": "dat gebeurt"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "worrying is not necessary",
      "word": "ça arrive"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "worrying is not necessary",
      "word": "das kann schon mal passieren"
    },
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "worrying is not necessary",
      "word": "megesik"
    },
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "worrying is not necessary",
      "word": "előfordul"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "worrying is not necessary",
      "word": "zdarza się"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "s kem ni byvajet",
      "sense": "worrying is not necessary",
      "word": "с кем ни бывает"
    }
  ],
  "word": "it happens"
}