"気のせい" meaning in 日语

{
  "categories": [
    {
      "kind": "other",
      "name": "日語名詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日語詞元",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有1個詞條的頁面",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有一個漢字的日語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有一年級漢字的日語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有詞條的頁面",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "歷史假名遣包含「ゐ」的日語詞",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "気のせい",
      "ruby": [
        [
          "気",
          "き"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "ki no sei",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "き の せゐ",
      "roman": "ki no sewi"
    }
  ],
  "lang": "日语",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名词",
  "senses": [
    {
      "examples": [
        {
          "ref": "2013年，ころんば，.",
          "text": "幻覚(げんかく)でも気(き)のせいでもない 確(たし)かにそこに居(い)る\nGenkaku demo ki no sei de mo nai Tashika ni soko ni iru\n並非幻覺，也不是什麼心理作用　它的的確確就在那裡"
        }
      ],
      "glosses": [
        "错觉，心理作用"
      ],
      "id": "zh-気のせい-ja-noun-MLlAxdxz"
    }
  ],
  "word": "気のせい"
}

{
  "categories": [
    "日語名詞",
    "日語詞元",
    "有1個詞條的頁面",
    "有一個漢字的日語詞",
    "有一年級漢字的日語詞",
    "有詞條的頁面",
    "歷史假名遣包含「ゐ」的日語詞"
  ],
  "forms": [
    {
      "form": "気のせい",
      "ruby": [
        [
          "気",
          "き"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "ki no sei",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "き の せゐ",
      "roman": "ki no sewi"
    }
  ],
  "lang": "日语",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名词",
  "senses": [
    {
      "examples": [
        {
          "ref": "2013年，ころんば，.",
          "text": "幻覚(げんかく)でも気(き)のせいでもない 確(たし)かにそこに居(い)る\nGenkaku demo ki no sei de mo nai Tashika ni soko ni iru\n並非幻覺，也不是什麼心理作用　它的的確確就在那裡"
        }
      ],
      "glosses": [
        "错觉，心理作用"
      ]
    }
  ],
  "word": "気のせい"
}