a sworn testimony的用法和样例：
- Pettitte's sworn testimony and deposition before Congress is one of the primary reasons Clemens is under investigation.
- Peace proposals unaccompanied by a sworn covenant indicate a plot.
- The English are a swearing nation.
- After lodging a sworn statement with the police,he was allowed to leave.
- After lodging a sworn statement with the police, he was allowed to leave.