Since the death of her mother she is mainly interested in reading English books.
The young generation was mainly interested in football and athletics.
But guards were not what Richard was mainly interested in.
He seemed mainly interested in whether there were any locks on the windows.
What we're mainly interested in is a good man who doesn't miss any bets.
I'm mainly interested in his activities for, say, the last seven to ten years.
One is mainly interested in the effect of the rest periods between the tasks.
"The one thing it didn't do was move the needle on growth, which is what I think investors were mainly interested in seeing."
They are mainly interested in this continent and little else.
"The district is mainly interested in the academic success of its kids."