structure made of bars or wires in which birds or animals are kept or carried 鸟笼; 兽槛. 
enclosed platform used to raise and lower people and equipment in the shaft of a mine （矿井中的）升降车.> cage v
1 [Tn] put or keep (sb/sth) in a cage 将（某人[某物]）关入笼中.
2 (phr v) cage sb in make sb feel that he is in a cage 使某人觉得身困笼中: I felt terribly caged in in that office. 我呆在那个办公室里感觉真像在笼子里一样.