a motley fool的用法和样例：
- They are wearing a motley collection of old clothes.
- “And that stout fellow in spectacles is a universal freemason,” said Madame Peronsky, indicating Bezuhov.“Set him beside his wife: he's a motley fool!”
- His friends are rather a motley crew.
- She had a motley group of friends at college.
- The room was soon filled with a motley assemblage.