"throw for a loop" meaning in Английский

{
  "categories": [
    {
      "kind": "other",
      "name": "Английский язык",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Требуется категоризация/en",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Фразеологизмы/en",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Английский",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "examples": [
        {
          "author": "Colleen Rush",
          "bold_text_offsets": [
            [
              88,
              107
            ]
          ],
          "collection": "Cosmopolitan",
          "date": "июль 2004",
          "ref": "Colleen Rush, «8 Big Love Truths Every Cosmo Girl Must Know», июль 2004 г. // «Cosmopolitan» CoCA",
          "source": "COCA",
          "text": "I found out my boyfriend had been married for six months a long time ago, and it really threw me for a loop.",
          "title": "8 Big Love Truths Every Cosmo Girl Must Know"
        },
        {
          "author": "Lee Gowan",
          "bold_text_offsets": [
            [
              15,
              32
            ]
          ],
          "date": "1961",
          "ref": "Lee Gowan, «Confession», 1961 г. CoCA",
          "source": "COCA",
          "text": "But I was sure thrown for a loop when I got that letter from the lawyer.",
          "title": "Confession"
        }
      ],
      "glosses": [
        "впечатлить, вывести из себя, внезапно и сильно взволновать"
      ],
      "id": "ru-throw_for_a_loop-en-phrase-bo4m71Ne"
    }
  ],
  "word": "throw for a loop"
}

{
  "categories": [
    "Английский язык",
    "Требуется категоризация/en",
    "Фразеологизмы/en"
  ],
  "lang": "Английский",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "examples": [
        {
          "author": "Colleen Rush",
          "bold_text_offsets": [
            [
              88,
              107
            ]
          ],
          "collection": "Cosmopolitan",
          "date": "июль 2004",
          "ref": "Colleen Rush, «8 Big Love Truths Every Cosmo Girl Must Know», июль 2004 г. // «Cosmopolitan» CoCA",
          "source": "COCA",
          "text": "I found out my boyfriend had been married for six months a long time ago, and it really threw me for a loop.",
          "title": "8 Big Love Truths Every Cosmo Girl Must Know"
        },
        {
          "author": "Lee Gowan",
          "bold_text_offsets": [
            [
              15,
              32
            ]
          ],
          "date": "1961",
          "ref": "Lee Gowan, «Confession», 1961 г. CoCA",
          "source": "COCA",
          "text": "But I was sure thrown for a loop when I got that letter from the lawyer.",
          "title": "Confession"
        }
      ],
      "glosses": [
        "впечатлить, вывести из себя, внезапно и сильно взволновать"
      ]
    }
  ],
  "word": "throw for a loop"
}