"a bird in the hand is worth two in the bush" meaning in 英語

{
  "categories": [
    {
      "kind": "other",
      "name": "英語",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英語 成句",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英語_ことわざ",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "word": "a bird in the hand"
    },
    {
      "word": "a bird in the bush"
    },
    {
      "word": "birds in the bush"
    }
  ],
  "forms": [
    {
      "form": "A bird in the hand is worth two in the bush",
      "tags": [
        "canonical"
      ]
    }
  ],
  "lang": "英語",
  "lang_code": "en",
  "pos": "phrase",
  "pos_title": "成句",
  "senses": [
    {
      "glosses": [
        "手の中の鳥一羽は藪の中の鳥二羽分の価値がある。大きいが不確実な将来の利益よりも、小さくても確実な現在の利益の方が有用であるという事。"
      ],
      "id": "ja-a_bird_in_the_hand_is_worth_two_in_the_bush-en-phrase-0ARXttMn"
    }
  ],
  "tags": [
    "idiomatic"
  ],
  "word": "a bird in the hand is worth two in the bush"
}

{
  "categories": [
    "英語",
    "英語 成句",
    "英語_ことわざ"
  ],
  "derived": [
    {
      "word": "a bird in the hand"
    },
    {
      "word": "a bird in the bush"
    },
    {
      "word": "birds in the bush"
    }
  ],
  "forms": [
    {
      "form": "A bird in the hand is worth two in the bush",
      "tags": [
        "canonical"
      ]
    }
  ],
  "lang": "英語",
  "lang_code": "en",
  "pos": "phrase",
  "pos_title": "成句",
  "senses": [
    {
      "glosses": [
        "手の中の鳥一羽は藪の中の鳥二羽分の価値がある。大きいが不確実な将来の利益よりも、小さくても確実な現在の利益の方が有用であるという事。"
      ]
    }
  ],
  "tags": [
    "idiomatic"
  ],
  "word": "a bird in the hand is worth two in the bush"
}