detain
verb [ T often passive ] uk/dɪˈteɪn/ us/dɪˈteɪn/
使留下;拘留，扣押
to force someone officially to stay in a place
A suspect has been detained by the police for questioning. 一名嫌疑人已被警察拘留接受进一步审讯。
Several of the injured were detained overnight in hospital. 伤者中有几个人被留院观察了一夜。
（短时间地）耽搁，拖延
to delay someone for a short length of time
I'm sorry I'm late - I was unavoidably detained. 对不起我来晚了——没办法我被耽搁了一会儿。
detain someone at His/Her Majesty's pleasure law UK specialized 无限期关押（某人）
to keep someone in prison for as long as the courts feel is necessary
She was convicted of murder in 2008 and detained at Her Majesty's pleasure.
Walker was ordered to be detained at Her Majesty's pleasure after a trial at Stafford Crown Court.
The judge sentenced her to be detained at Her Majesty's pleasure for very many years.
He was originally sentenced to be detained at Her Majesty's pleasure.
The cases of 110 youngsters currently being detained at Her Majesty's pleasure are to be reviewed.