a child prodigy的用法和样例：
- She was a child prodigy on the violin.
- But what exactly is a child prodigy?
- Many parents wishfully think their only child is a child prodigy.
- I have a friend whose youngest daughter is a child prodigy on the violin.
- A child prodigy.
- Dressed in a ridiculous costume, he was presented at court as a child prodigy of six.