N-UNCOUNT
监禁;关押;禁闭
Confinement is the state of being forced to stay in a prison or another place which you cannot leave.
例句
She had been held in solitary confinement for four months...
她被单独关押了4个月。
He'd obviously kept himself fit despite his years of confinement.
显然，尽管监禁多年，他依旧保持着身体健康。