a flighty imagination的用法和样例：
- It was a flighty man cheated a poor lady or a flighty lady played a youngman?
- It is the first time for him to hear such an outright expression from a young lady;what does it mean other than that she being a flighty person?
- She always has a morbid imagination.
- My daughter is a child with vivid imagination.
- The distance of a light year boggles the imagination.