He is managing his own company.

He is managing the family business.

We enjoyed fishing in the mountain stream over the weekend.

We should all value the concept of universal brotherhood.

Keirin is a very popular sport in Japan.

He suffered from writer's cramp due to long hours of writing.

He is doing special exercises to strengthen his cervical muscles.

Tokyo was once the capital of Tōkan.

He made a table in the shape of a trapezoid.

This shape is a parallelogram.