detention

柯林斯詞典

1. N-UNCOUNT Detention is when someone is arrested or put into prison. 拘留; 監(jiān)禁[also N in pl]
...the detention without trial of government critics. …對政府批評者未經(jīng)審判而進行的關(guān)押。
2. N-VAR Detention is a punishment for students who misbehave, who are made to stay at school after the other students have gone home. (為懲罰學生的) 課后留校
The teacher kept the boys in detention after school. 老師在放學后罰男孩們留了下來。