He is an expert in classical mechanics.

It is said that the story is heard throughout the village.

The culture of classical antiquity has a significant impact on the modern world.

I failed to hear his name, could you tell me again?

I failed to hear his important remark.

My mother has a habit of smelling incense every morning.

There is nothing in his room.

Please stop making unreasonable demands.

He is spending money unreasonably.

I apologize for not contacting you for a long time.