a bravura performance的用法和样例：
- It's a bravura performance, with each song being given fresh meaning in this musically stripped-down form.
- It was a bravura performance of the sort one remembers for a long time afterward.
- This picture has a bravura of execution.
- I didn't have a clue about what Jim was saying, and I'm not sure Mr.Coe did either, but at the end of his bravura performance I got my grade changed.