He became friends with the natives of that area.

When he suddenly appeared, I was taken aback.

He was surprised to hear the news.

He was surprised when his friend played a practical joke on him.

To welcome the New Year, we decorated the entrance of our house with Kadomatsu.

He likes to take a walk in the park at dusk.

When I looked up at the night sky, I saw a beautiful asterism.

This plant is bisexual, with male and female flowers occurring on the same plant.

This compound has a high basicity.

His voice sounded very gentle.