He sounds a million years old, and I feel older.
He supposed there was no need for it to sound old.
There was a time when he thought 30 sounded old.
That sounds very old to me, even though I'm 41.
That was the third man, who sounded somewhat older than the others.
This music sounds old to us, but a lot of it was experimental at the time.
His voice was even and quiet; it sounded older than he looked.
At the risk of sounding old, I'm sure there is truth on both sides.
That might sound old fashioned but there's a good reason for it.
He sighed, at last, the first thing he'd done that sounded old.