A lad of eighteen summers的用法和样例：
- He had been a lad of whom something was expected.
- She dolled herself up as though she was a girl of eighteen.
- Bit of a lad is Mr Bryan, running round fancy-free for years.
- Men and women of eighteen and above are eligible to vote.
- He was, indeed, a lad of remarkable disposition: sober, discreet, and pious beyond his age.