He is doing special exercises to strengthen his flexor digitorum superficialis.

He is doing special exercises to strengthen his flexor digitorum profundus.

He is doing a special exercise to strengthen his extensor indicis.

He was arrested on suspicion of being an industrial spy.

Fundamental knowledge of mathematics is necessary to solve advanced problems.

His behavior was very comedic.

This summer was record-breaking heat.

His way of thinking is very philosophical.

He accidentally held her hand.

Fundamental knowledge of mathematics is necessary for daily life.