a feisty old man的用法和样例：
- He was a strong and a feisty old man, considering that life is so hard.
- He was a strong and a feisty old man,
- A feisty old lady had to call the electric company for a repairman.
- Definitely not alone. You know? He's a feisty old guy.
- That old man is a fount of wisdom.