a fancy dresser的用法和样例：
- He took a fancy to the girl next door.
- An unrealistic idea or notion; a fancy.
- Do I really hear someone come in, or be it only a fancy?
- I have a fancy (ie a vague idea) that he will be late.
- She is none the more beautiful because she wears a fancy dress.
- I have taken a fancy to that new bicycle.