a ragged old man的用法和样例：
- A ragged old man was standing there with a rod and hanging a string into the puddle.
- The ragged old man ,unwittingly,had reminded me that a genuine love is one in which the true essence of love is realized.
- That old man is a fount of wisdom.
- The old man's ragged coat showed his poverty.
- A ragged shout went up from the small crowd.