The mechanism of this machine is very complex.

The Moon is very bright tonight.

Xuanwu is a god of Taoism in China, said to govern the north and winter.

He is holding two posts at the same time as a professor and a researcher.

He is also serving as a professor.

I work from 9 a.m. to 5 p.m. every day.

We went to see a concert at the dome over the weekend.

Completing this project is our urgent business.

The work of school affairs is very difficult.

His mood completely changed.