"under lock and key" meaning in English

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      "expansion": "under lock and key",
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    {
      "args": {},
      "expansion": "under lock and key",
      "name": "en-PP"
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  "lang": "English",
  "lang_code": "en",
  "pos": "prep_phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
          "source": "w"
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          "kind": "other",
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          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "If it was him we can have him under lock and key in 24 hours."
        }
      ],
      "glosses": [
        "imprisoned with little or no chance of escape; locked up."
      ],
      "id": "en-under_lock_and_key-en-prep_phrase-QD2Aoufg",
      "links": [
        [
          "imprisoned",
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        [
          "locked up",
          "locked up"
        ]
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      "raw_glosses": [
        "(US, UK, idiomatic) imprisoned with little or no chance of escape; locked up."
      ],
      "tags": [
        "UK",
        "US",
        "idiomatic"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
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        },
        {
          "kind": "other",
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          "parents": [],
          "source": "w"
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        {
          "_dis": "38 62",
          "kind": "other",
          "name": "English entries with incorrect language header",
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            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w+disamb"
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      "examples": [
        {
          "ref": "2008, Edward J. McMillan, Model Policies and Procedures for Not-for-Profit Organizations, page 239",
          "text": "It is the policy of the organization to keep unused check supplies safeguarded under lock and key.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "safely guarded; locked away."
      ],
      "id": "en-under_lock_and_key-en-prep_phrase-kp2hh5ny",
      "links": [
        [
          "safely",
          "safely"
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        [
          "guarded",
          "guarded"
        ],
        [
          "locked",
          "locked"
        ]
      ],
      "raw_glosses": [
        "(US, UK, idiomatic) safely guarded; locked away."
      ],
      "tags": [
        "UK",
        "US",
        "idiomatic"
      ]
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      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/8/81/En-au-under_lock_and_key.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "under lock and key"
}

{
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    "English lemmas",
    "English multiword terms",
    "English prepositional phrases",
    "English terms with audio links"
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  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prepositional phrase",
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      },
      "expansion": "under lock and key",
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      "args": {},
      "expansion": "under lock and key",
      "name": "en-PP"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prep_phrase",
  "senses": [
    {
      "categories": [
        "American English",
        "British English",
        "English idioms"
      ],
      "examples": [
        {
          "text": "If it was him we can have him under lock and key in 24 hours."
        }
      ],
      "glosses": [
        "imprisoned with little or no chance of escape; locked up."
      ],
      "links": [
        [
          "imprisoned",
          "imprisoned"
        ],
        [
          "locked up",
          "locked up"
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      "raw_glosses": [
        "(US, UK, idiomatic) imprisoned with little or no chance of escape; locked up."
      ],
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        "UK",
        "US",
        "idiomatic"
      ]
    },
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        "Quotation templates to be cleaned"
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        {
          "ref": "2008, Edward J. McMillan, Model Policies and Procedures for Not-for-Profit Organizations, page 239",
          "text": "It is the policy of the organization to keep unused check supplies safeguarded under lock and key.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "safely guarded; locked away."
      ],
      "links": [
        [
          "safely",
          "safely"
        ],
        [
          "guarded",
          "guarded"
        ],
        [
          "locked",
          "locked"
        ]
      ],
      "raw_glosses": [
        "(US, UK, idiomatic) safely guarded; locked away."
      ],
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        "UK",
        "US",
        "idiomatic"
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      "tags": [
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  "word": "under lock and key"
}