a man of forty的用法和样例：
- You wouldn't think a man of forty could be such a child.
- He was a man of forty, thin, with a pinched face, precise and rather pedanti c.
- A man of great ability like him will eventually reach the top.
- He was a man of forty, not good-looking, and yet not ugly, for his features were rather good.
- He is a man of consequence in the Labour Party.