"straight and narrow" meaning in English

{
  "etymology_text": "Probably \"strait and narrow,\" from Matthew 7:14.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "noun"
      },
      "expansion": "straight and narrow",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English coordinated pairs",
          "parents": [
            "Coordinated pairs",
            "Terms by etymology"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "The project would seriously go down the pan if Mrs. Foster weren't here to keep it on the straight and narrow."
        }
      ],
      "glosses": [
        "A path of honesty; procedure according to rules and plans."
      ],
      "id": "en-straight_and_narrow-en-noun-h~iOasSu",
      "links": [
        [
          "honesty",
          "honesty"
        ],
        [
          "rule",
          "rule"
        ],
        [
          "plan",
          "plan"
        ]
      ],
      "related": [
        {
          "word": "walk in straight lines"
        }
      ],
      "synonyms": [
        {
          "word": "strait and narrow"
        }
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "Translations",
          "word": "kaita tie"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "Translations",
          "tags": [
            "masculine"
          ],
          "word": "droit chemin"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "Translations",
          "tags": [
            "feminine"
          ],
          "word": "prosta droga"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "note": "a verb",
          "sense": "Translations",
          "tags": [
            "imperfective"
          ],
          "word": "iść prostą drogą"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "note": "a verb",
          "sense": "Translations",
          "tags": [
            "perfective"
          ],
          "word": "pójść prostą drogą"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "Translations",
          "tags": [
            "common-gender"
          ],
          "word": "den smala vägen"
        }
      ]
    }
  ],
  "word": "straight and narrow"
}

{
  "etymology_text": "Probably \"strait and narrow,\" from Matthew 7:14.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "noun"
      },
      "expansion": "straight and narrow",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "walk in straight lines"
    }
  ],
  "senses": [
    {
      "categories": [
        "English coordinated pairs",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "Translation table header lacks gloss"
      ],
      "examples": [
        {
          "text": "The project would seriously go down the pan if Mrs. Foster weren't here to keep it on the straight and narrow."
        }
      ],
      "glosses": [
        "A path of honesty; procedure according to rules and plans."
      ],
      "links": [
        [
          "honesty",
          "honesty"
        ],
        [
          "rule",
          "rule"
        ],
        [
          "plan",
          "plan"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "word": "strait and narrow"
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "Translations",
      "word": "kaita tie"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "Translations",
      "tags": [
        "masculine"
      ],
      "word": "droit chemin"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "Translations",
      "tags": [
        "feminine"
      ],
      "word": "prosta droga"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "note": "a verb",
      "sense": "Translations",
      "tags": [
        "imperfective"
      ],
      "word": "iść prostą drogą"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "note": "a verb",
      "sense": "Translations",
      "tags": [
        "perfective"
      ],
      "word": "pójść prostą drogą"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "Translations",
      "tags": [
        "common-gender"
      ],
      "word": "den smala vägen"
    }
  ],
  "word": "straight and narrow"
}