It is no good trying to persuade the boy.
It's no use trying to persuade the boy.
He's but a boy.
The boy is far from a fool.
The little boy hung his head and said nothing.
I don't know what has become of the boy.
The boy persist in his opinion.
I don't know who that boy is.
He must be a good boy.
I can do nothing with this naughty boy.
The two boys never get along.
I can't understand the psychology of adolescents.
I have no objection to the boy reading a book.