He was maneuvering behind the scenes at the company.

This reagent is used to investigate chemical reactions.

I like observing wild fowl.

I made a reservation at the restaurant.

He is suspected of being involved in the illegal trade of narcotics.

He is training to strengthen the tightening of his muscles.

He tightened his fists in tension.

By reading the New Testament, you can deeply understand the teachings of Christianity.

I am reading the Old Testament.

A large zelkova is planted in the park.