My grandfather is already sixty years old.

My grandfather is already sixty years old.

He has been living in this town for several decades.

He drew a decagon shape.

His company made a profit of one billion yen.

My pet Bengalese finch is very cute.

We have been working on this project for ten months.

He warned the young people, saying 'At thirty, one should not be careless, at forty, one should not be indecisive.'

I will turn twenty years old next year.

The new project will start in fifty days.