色に関連する英語のIdiom紹介の第３回。今回は
青を表す英単語blueを含めたIdiomをいくつか紹介します。

生成AIを活用して英語で得た情報をもとに、私の方で一部日本語に変換するなど体裁を変えています。
また、自動生成された順ではなく、重要性・汎用性が高そうなものに絞っています。

1. Blue sky thinking – 既成概念にとらわれない独創的思考
例文: “The CEO encouraged blue sky thinking in the brainstorming session.”

2. Blue ribbon – 最高の栄誉
例文: “The bakery won the blue ribbon for best cake in the county fair.”

3. Blue chip – 高品質で信頼できる投資先
例文: “The company’s stock is considered a blue chip because it’s been performing well for years.”

4. Blue blood – 王族の血筋
例文: “The prince was born with blue blood and he’s expected to follow in his father’s footsteps.”

5. Blue-eyed boy/girl – 秘蔵っ子・特別に目をかけられている子
例文: “She’s the blue-eyed girl of the boss; she gets all the best assignments.”

6. Blue-nosed – 道徳的に厳格な

例文: “The blue-nosed church group protested the opening of the new bar in town.”

7. Out of the blue – 突然・思いがけなく
例文: “The news of her promotion came out of the blue; she wasn’t even expecting it.”

8. Talk a blue streak – とうとうと語る・延々と話す
例文: “After drinking coffee, she talked a blue streak about her trip to Europe.”

9. Once in a blue moon – めったに～ない
例文: “She only eats chocolate once in a blue moon because she’s trying to stay healthy.”

10. Feeling blue – 気がめいっている
例文: “After her dog died, she was feeling blue for days.”

文責：片野