We need to strengthen our public relations activities.

He is an expert in navigation.

This building was built with a new construction method.

I headed to Kyoto on the night train.

Owls are nocturnal animals, they are active at night.

The success of this project greatly depends on our flexibility.

There is Christmas in December.

There is Halloween in October.

Let's have lunch at twelve o'clock.

My new residence is near the mountain.