caged
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：
I'm not caged bird. I'm a free human being, independent with a will of my own.
我不是笼中之鸟，我是一个有独立意志的自由之人。
This animal is dangerous and should be caged in.
这头野兽凶得很，应该关到笼里去。
Some birds are not mean to be caged!
那我暂时还是不要了！
I have to remind myself that some birds aren't meant to be caged, that's all.
我必须承认有些鸟是关不住的，关不住。
The lonely old man prowled around the house like a caged tiger.
这位孤独老人有如笼中虎，在屋内无聊地徘徊。
I think all caged birds should be set free.
我认为所有关在笼里的鸟儿都应该放出去。