a little old lady的用法和样例：
- A little old lady bought a ticket from the bus conductor.
- "You weren't looking for a little old lady," said Gussie.
- It was owned by a little old lady who hated soap operas, Westerns, and reruns.
- A little old lady went //into// the Bank of Canada one day, carrying a bag of money.
- We are always hoping to find some forgotten masterpiece tucked away in a little old lady's attic. Sometimes we are lucky.