•Conditions in the prison are said to be appalling.听说监狱里的条件糟透了。

•He's spent a lot of time in prison.他坐了很长时间的牢。

•She went to/was sent to prison for six months.她入狱六个月。

•It was a maximum-security prison (= intended to be especially difficult to escape from).这是一所戒备森严的监狱。

•They should put him in prison and throw away the key!他们应该把他关进监狱，永远也别放出来！

•a prison cell/sentence/warder牢房／徒刑／狱吏

•the prison service服刑

•Do you think prison works?你认为监禁有用吗？

•Prison (= the time he had spent in prison) hadn't changed him at all.服刑对他丝毫没有改变。

•She felt that her marriage had become a prison.她觉得自己的婚姻变成了牢笼。