confined
单词辨析：
指被囚禁在某处、失去行动自由的，也可指做某事时受到控制、无权选择的，作后者解时通常作定语。
captive animals/soldiers
关在笼中的动物/被俘士兵
Lying in my hospital bed, I was a captive audience to these uninteresting old stories.
躺在医院病床上，我别无选择，只能听这些乏味的老故事。
主要用于形容动物，也可用于比喻。
She trained her camera on the caged lion.
她把相机对准笼子里的狮子。
I felt terribly caged in the small office.
呆在这个小办公室里，我感觉就像在笼子里一样。
通常用于形容囚犯、动物等，也可用于比喻。
The dog was chained to a tree.
狗被用链子拴在一棵树上。
Many women feel chained to the kitchen sink.
许多妇女感到被灶台束缚住了。
指人或动物被限制在狭小或封闭的空间里、不能自由活动的，也可用于比喻。
He was confined to a small room.
他被关在一个小房间里。
As punishment, the soldiers were confined to barracks.
士兵们挨了罚，不能离开营房。
相关例句：
These dangers are not confined to smokers.
这些危险不只是困扰吸烟者。
He announced that the army and police had been confined to barracks.
他通告说军队和警察已经被禁闭在营房中不得外出。
Damage was confined to a small portion of the castle
城堡仅有一小部分受损。
He has confined himself to the study of modern languages.
他只学习现代语言。
Health officials have successfully confined the epidemic to the Tabatinga area
卫生官员成功地将疫情控制在塔巴廷加地区。
Dikes confined the flood water.
堤防挡住了洪水。