out of the blue (adverb)

1. Out of the blue, a miracle occurred and the blind man could suddenly see.

2. As they strolled along the beach, he got down on one knee and proposed out of the blue.

3. In the middle of the night, the haunted house creaked and a ghostly figure appeared out of the blue.

4. Out of the blue, an unidentified spaceship landed in the middle of the city.

1. During the sermon, the priest received an out of the blue revelation from God.

2. In the anime series, the protagonist's life took an unexpected turn when he received out of the blue superpowers.

3. At the party, Sarah shared an out of the blue joke that had everyone burst into laughter.

4. In the cartoon, the character suddenly broke into an out of the blue dance routine.