「呉越同舟」の意味と例文 https://noteolsen.com/2023/01/22/%e3%80%8c%e5%91%89%e8%b6%8a%e5%90%8c%e8%88%9f%e3%80%8d%e3%81%ae%e6%84%8f%e5%91%b3%e3%81%a8%e4%be%8b%e6%96%87/