1SCKEEP somebody IN A PLACEto officially prevent someone from leaving a place 留置,扣押,拘留
Two suspects have been detained by the police for questioning.
两名嫌疑人被警方拘留审问。
She was detained in hospital with a suspected broken leg.
她因腿部疑似骨折而被留医。
2DELAY formal to stop someone from leaving as soon as they expected 耽搁,阻留SYN delay
He was detained in Washington on urgent business.
他因紧急事务耽搁在了华盛顿。
nGrammar
Detain is often passive in this meaning.
Examples from the Corpus
detain• When Stephen reaches Winchester safely, the Earl of Gloucester will be released and his sondetained.• Mr Jones should be here, but I'm afraid he's been unavoidably detained.• His body was found in the sportscomplex where police had taken those detained.• Three men from the ship have been detained for questioning by the HarbourAuthorities.• All are detained in Darlington MemorialHospital.• Mrs. Flanagan was detained in Washington on urgent business.• George had a tendency to be detained or shot at for sketchingcoastalinstallations in strategic areas.• The police are now allowed to detainterroristsuspects for as long as a week.• The officer later detained the man after a struggle, but needed ten stitches to the wound.• Police detained two suspects for questioning.• Since 1981 hundreds of people have been detained under this law, some for more than eight years.• I won't detain you for much longer, Miss Reid. There are just a few more questions that I need to ask you.
detained ... for questioning• The captain was detained for questioning.• At the islands' police headquarters they were detained for questioning for four and a halfhours.
Origindetain
(1400-1500)Old Frenchdetenir, from Latindetinere, from tenere“to hold”
ADVERB | VERB + DETAIN | PREPOSITION | PHRASESADVERB➤briefly短暫扣押◇He was kidnapped and briefly detained by a terrorist group.他被一個恐怖組織綁架並短暫拘禁。➤indefinitely無限期扣押◇Prisoners cannot be detained indefinitely without charge.不能無限期羈押囚犯而不提出控告。➤illegally非法扣押VERB + DETAIN➤need not (especially BrE) 不必耽擱◇This issue need not detain us long.這件事不必耽擱我們太久。PREPOSITION➤for因為⋯而拘留◇She was arrested and detained for distributing pro-democracy leaflets.她因為散發支持民主的傳單而被拘留了。➤in connection with涉及⋯而拘留◇Over 60 people have been detained in connection with the coup attempt.60 多人因牽涉這起未遂政變而被拘留。PHRASES➤be detained in custody, be detained in hospital (both BrE) 被拘留;被留醫院◇Two people were detained in hospital following the crash.撞車事故發生後,兩人被留院治療。➤detain sb without charge, detain sb without trial未經指控/未進行審判扣押某人◇He has been detained without trial for nearly two years now.他未經審判就被拘押,到現在已將近兩年。