"the nose knows" meaning in English

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  "lang": "English",
  "lang_code": "en",
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      "glosses": [
        "Despite the addressee's belief that the speaker was unaware of something, the speaker, in fact, was already aware."
      ],
      "id": "en-the_nose_knows-en-phrase-hIwgGDEV",
      "raw_glosses": [
        "(informal, idiomatic) Despite the addressee's belief that the speaker was unaware of something, the speaker, in fact, was already aware."
      ],
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        "idiomatic",
        "informal"
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  "word": "the nose knows"
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        "Despite the addressee's belief that the speaker was unaware of something, the speaker, in fact, was already aware."
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        "(informal, idiomatic) Despite the addressee's belief that the speaker was unaware of something, the speaker, in fact, was already aware."
      ],
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        "idiomatic",
        "informal"
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