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.

The severity of his illness was so serious that even the doctor was surprised.

He was nervous when he stood on the sumo ring for the first time.

The ditch river in this town is dirty and smells terrible.

What should I do, I can't wait any longer.

The ball fell into the pond with a splash.