Makimoto is my best friend.

Understanding the rules of 'Ha-gyou tenko' is difficult.

He is doing special exercises to strengthen his adductor brevis.

He is doing a special exercise to strengthen his abductor digiti minimi.

He is an expert in astrophysics.

He is an excellent arranger, and has produced many musical works.

He loves swimming in the water.

My father has been working as a silk manufacturer for many years.

A new large Ferris wheel has been built in the park.

He is a world-renowned seismologist.