定义
to guard (a prisoner): 保卫，监视（囚犯）
a (prison) guard: （监狱）守卫，看守
- "Prison guard : Yes, Mr Jones."
- "I want to see your closet, I want to try on your dresses, I want to meet the guards with the funny hats, but most of all, I want to see... the crown jewels!"
- "Messages in bottles are not the most reliable form of correspondence, but as my camp is patrolled by French guards, there is no shortage of empty wine bottles."
