n (1)(鸟，兽)笼(box made of wires or bars for holding birds or animals)[C]：The lion paced back and forth in his～.狮子在笼中踱来踱去。(tiger) escape from its～(老虎)从笼中逃脱;a bird/lion's～鸟笼/狮笼;

(2)(矿井)升降机(lift used in a mine to raise and lower people and equipment)[C];

v关入笼中(put or keep animals or birds in a cage)[T+n]：～d birds/animals笼中之鸟/兽;～a wild animal把野兽关在笼子里;〖同〗lock up，shut in;〖反〗let out，free，liberate;

cage in (v adv)困住，限制自由(vt)(常pass)：feel～d in in the office/at home/in one's job在办公室中/家中/工作中感觉像被囚禁似的