聖書に記されている「ヨナのしるし」とは何ですか？

What exactly is the “sign of Jonah” that Jesus refers to? To understand this sign, we have to go back to the story of Jonah. God told him to preach to Nineveh, but Jonah said, “Nah, I’m out!” He hopped on a boat, but God wasn’t havin’ it. A storm came, and Jonah got tossed overboard. But here’s the kicker – a great fish swallowed him up! For three days and three nights, Jonah was in that fish’s belly. It…