(1)限界内、制限内にとどめること、あるいは動きを制限する
(2)閉じ込める、あるいは監禁する、刑務所のように
(3)自由を奪う
(4)lock up or confine, in or as in a jail; "The suspects were imprisoned without trial"; "the murderer was incarcerated for the rest of his life"
さらに詳しく