a clever piece of work的用法和样例：
- He thought up a plan to get rich quickly; no-one had ever thought of such a clever piece of software.
- "Signing Michael Owen was a clever piece of business by United and he has started really well in pre-season," Carragher told the Sunday Mirror.
- It was a terrible piece of work you turned in the other day.
- It's a good piece of work, apart from a few slight faults.