I'm troubled by his unproductive attitude.

He was affected by secondary effects.

This is a preliminary plan.

Thinking sensibly, that plan will not succeed.

He is interested in diachronic linguistics studies.

He is interested in synchronic linguistics.

He is thought to be a very unsociable person.

Amanomurakumonotsurugi is a divine tool that appears in Japanese mythology.

Ame-no-Murakumo-no-Tsurugi is the original name of the Sword of Kusanagi.

The Japanese Society for Rights of Authors, Composers and Publishers is an organization that protects the copyrights of musicians.