My subordinate is very capable.

On a cold day, Buu's hot water is the best.

He is interested in ancient weapons.

He acted scoundrelly and troubled his friends.

He is known as the most scoundrelly in town.

To be frank, I don't really like that idea.

He comes from an old samurai family.

I work in the marketing division.

Technetium is one of the most unstable elements in the periodic table.

Tritium is a radioactive isotope, mainly produced in nuclear fusion reactions.