a prison warden的用法和样例：
- Rather than chase your guy around like a bloodhound, you have to be a prison warden who's trying to keep all the bad guys in line.
- The most anxious man in a prison is the warden.
- The building was like a prison in appearance.
- The thief was confined in a prison.
- The stage was designed to imitate a prison cell.
- It's hard to appreciate the full horror of life in a prison camp.