We are focusing on the research and development of new products.

I conducted a research project as a summer vacation homework.

He tuned the piano in just tuning.

There are several unwritten rules in this company.

Ritsu-shu is a sect of Nara Buddhism and is widely known in Japan.

He always acts according to his own maxim.

He is deeply studying about the equal temperament of the piano.

He is good at composing freeform haiku.

He had a narrow escape in that accident.

He is good at solving trigonometry problems.