My father is old.
The old cottage had only one bed, so we all took turns sleeping in it.
Old homes, especially traditional Japanese ones, can be damp and unfriendly to modern life.
Since he is old, this task must be difficult for him.
When poverty comes in the door, love flies out the window is a saying as old as it is sad.
Are you seriously thinking about buying that old car?
My twelve year old boy doesn't like to play baseball.
I think it's unlikely that Tom would be interested in buying your old MP3 player.
It's no good making the same old products year after year.
He persuaded his firm to let him go back to his old job.
Blues singer and guitarist Robert Johnson would have been 100 years old on May 8th of 2011 if he hadn't died when he was 27 years old.
According to the old man I met yesterday, cockroaches can be eaten and don't taste all that bad.
Seen from a distance, the big rock looks like an old castle.
In America, you are a minor if you are under 18 years old.
Lots of old people are killed in traffic accidents every year.