He was chosen to guard the president.

He is managing the family business.

He is managing his own company.

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.

He was arrested as a person involved in the incident.

He accurately understands the positions of the acupuncture points.