They can't give me detention for this.

　　他們不可能因為這事罰我課后留下來。

　　They have been held in detention since the end of June

　　他們從6月底以來就一直受到監(jiān)禁。

　　The teacher kept the boys in detention after school.

　　老師將這些男生課后留堂。

　　He described the detention without trial of political opponents as a cowardly act.

　　他稱未經審判就將政敵關押起來是懦夫之舉。

　　He has clearly not been chastened by his thirteen days in detention

　　顯然，13天拘留并沒能讓他悔過自新。