"at once" meaning in Anglais

{
  "categories": [
    {
      "kind": "other",
      "name": "Locutions adverbiales en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Anglais",
      "orig": "anglais",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "adv",
  "pos_title": "Locution adverbiale",
  "senses": [
    {
      "glosses": [
        "Aussitôt, immédiatement, sitôt, tout de suite, d’abord."
      ],
      "id": "fr-at_once-en-adv-BMkLfNGb"
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en anglais",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Exemples en anglais à traduire",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "Robert Louis Stevenson, Strange Case of Dr Jekyll and Mr Hyde, 1885",
          "text": "Much of his past was unearthed, indeed, and all disreputable: tales came out of the man's cruelty, at once so callous and violent, of his vile life, of his strange associates, of the hatred that seemed to have surrounded his career; but of his present whereabouts, not a whisper."
        }
      ],
      "glosses": [
        "En même temps, à la fois."
      ],
      "id": "fr-at_once-en-adv-lPBS7FQj"
    }
  ],
  "sounds": [
    {
      "ipa": "\\æt wʌns\\"
    },
    {
      "audio": "En-au-at once.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/3/3d/En-au-at_once.ogg/En-au-at_once.ogg.mp3",
      "ogg_url": "https://commons.wikimedia.org/wiki/Special:FilePath/En-au-at once.ogg",
      "raw_tags": [
        "Australie"
      ]
    }
  ],
  "word": "at once"
}

{
  "categories": [
    "Locutions adverbiales en anglais",
    "anglais"
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "adv",
  "pos_title": "Locution adverbiale",
  "senses": [
    {
      "glosses": [
        "Aussitôt, immédiatement, sitôt, tout de suite, d’abord."
      ]
    },
    {
      "categories": [
        "Exemples en anglais",
        "Exemples en anglais à traduire"
      ],
      "examples": [
        {
          "ref": "Robert Louis Stevenson, Strange Case of Dr Jekyll and Mr Hyde, 1885",
          "text": "Much of his past was unearthed, indeed, and all disreputable: tales came out of the man's cruelty, at once so callous and violent, of his vile life, of his strange associates, of the hatred that seemed to have surrounded his career; but of his present whereabouts, not a whisper."
        }
      ],
      "glosses": [
        "En même temps, à la fois."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\æt wʌns\\"
    },
    {
      "audio": "En-au-at once.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/3/3d/En-au-at_once.ogg/En-au-at_once.ogg.mp3",
      "ogg_url": "https://commons.wikimedia.org/wiki/Special:FilePath/En-au-at once.ogg",
      "raw_tags": [
        "Australie"
      ]
    }
  ],
  "word": "at once"
}