They can't give me detention for this.

　　他們不可能因為這事罰我課后留下來(lái)。

　　They have been held in detention since the end of June

　　他們從6月底以來(lái)就一直受到監禁。

　　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(chēng)未經(jīng)審判就將政敵關(guān)押起來(lái)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(méi)能讓他悔過(guò)自新。