confinement

The prisoner spent several days in solitary confinement for breaking the prison rules.

(Chinese) 由于违反监狱规定，该囚犯被关了几天禁闭。

Wild animals often suffer when they are kept in long-term confinement in small cages.

(Chinese) 野生动物如果长期被关在狭小的笼子里，往往会遭受痛苦。