- [countable]
a person, such as a soldier, a police officer or a prison officer, who protects a place or people, or prevents prisoners from escaping 卫兵；警卫员；看守 prison/border guards 监狱/边防警卫 The building is protected by armed guards. 大楼由武装警卫把守。 The prisoner slipped past the guards on the gate and escaped. 犯人从门卫身旁溜出去逃走了。 A guard was posted outside the building. 建筑物外驻了一名警卫。
Extra ExamplesTopics War and conflictb1, Crime and punishmentb1, Jobsb1Guards had been posted all around the TV studio. 整个电视演播室周围都设置了警卫。 Guards patrolled the perimeter fence. 警卫在四周的围栏边巡逻。 The border guard checked our papers before waving us through. 边防哨兵检查了我们的证件，然后挥手放行。
Oxford Collocations Dictionaryadjective- armed
- uniformed
- border
- …
- post
- station
- patrol something
- protect something
- escort somebody
- …
- duty
- dog
- [uncountable]
the act or duty of protecting property, places or people from attack or danger; the act or duty of preventing prisoners from escaping 警戒；保卫；保护；看守 - on guard
a sentry on guard (= at his or her post, on duty) 执勤哨兵 to be on guard duty 站岗 - under guard
The escaped prisoner was brought back under armed guard. 越狱逃犯由武装警卫押回。 The terrorist was kept under police guard. 这名恐怖分子当时在警方的看管之下。
Extra ExamplesTopics Dangerb2, War and conflictb2Two sentries stood on guard. 有两个哨兵站岗。 The suspects were kept under police guard. 嫌疑犯由警察看守。 He fell asleep on guard duty. 他在值班时睡着了。 He was doing guard duty at the entrance to the embassy. 他在大使馆门口执行警卫任务。 Would you like me to keep guard of your room? 你想让我看护你的房间吗？ Two police officers kept guard over the burned-out building. 两个警察在烧毁的大楼旁警戒。 The prisoners were under close guard. 犯人们受到严密的看守。 The accused was taken to court under armed guard. 被告在武装戒护下到庭。 Soldiers stood guard on the city gates. 士兵在城门口站岗。 Several police officers were on guard outside the factory. 几个警察在工厂外警戒。 He arrived under heavy guard. 他在重重护卫下到达。
Oxford Collocations Dictionaryadjective- close
- 24-hour
- constant
- …
- off (your) guard
- on (your) guard
- under guard
- …
- drop your guard
- keep guard of something
- keep your guard up
- …
- on guard
- [countable + singular or plural verb]
a group of people, such as soldiers or police officers, who protect somebody/something （统称）卫兵，警卫，看守 the captain of the guard 卫队长 the changing of the guard (= when one group replaces another) 卫队换岗 The guard is/are being inspected today. 今天卫队接受检阅。 Fellow airmen provided a guard of honour at his wedding. 空军战友们为他的婚礼充当仪仗队。 The president always travels with an armed guard. 总统出行总有武装卫队保驾。
Extra ExamplesTopics War and conflictc1Fellow soldiers from Corporal Smith's regiment formed a guard of honour at his wedding. 在史密斯下士的婚礼上，战友们组成了仪仗队。 The guard was changed every two hours. 警卫每两小时换一次岗。 A group of tourists was watching the changing of the guard outside the palace. 一群游客正在观看宫殿外的卫队换岗。 It would only be a matter of minutes before the alarm was raised and the guard called out. 警报响起、警卫出动只需要几分钟时间。 The coffin was accompanied by a guard of honour. 灵柩由仪仗队护卫。
Oxford Collocations Dictionaryadjective- civil
- national
- palace
- …
- change
- call out
- guard of honour/honor
- the Guards[plural]
(in the UK and some other countries) special regiments of soldiers whose original duty was to protect the king or queen （英国和其他一些国家的）禁军，御林军，近卫军 the Scots Guards 苏格兰卫队 a Guards officer 近卫团军官
Oxford Collocations Dictionaryadjective- civil
- national
- palace
- …
- change
- call out
- guard of honour/honor
- [countable]
(often in compounds 常构成复合词 something that covers a part of a person’s body or a dangerous part of a machine to prevent injury 防护罩；防护装置；防护用品 
All players wear helmets and face guards. 所有球员都戴头盔和面罩。 Ensure the guard is in place before operating the machine. 一定要在防护措施做好后才开机器。
Oxford Collocations Dictionaryadjective- trigger
- fire
- shin
- …
- [countable] (British English, becoming old-fashioned)
conductor (= a person who is in charge of a train and travels with it, but does not drive it) 警卫： 售票员 - [uncountable]
a position you take to defend yourself, especially in a sport such as boxing or fencing 防御姿势 to drop/keep up your guard 放弃／保持防御姿势 - (figurative)
In spite of the awkward questions the minister never let his guard fall for a moment. 尽管遇到些令人尴尬的问题，部长从没有放松警惕。
Extra ExamplesTopics Sports: other sportsc2Matt relaxed a little, dropping his guard. 马特放松了一下，警惕性也降低了。 No one can keep their guard up all the time. 没有人能自始至终保持警惕。
- [countable]
one of the two players on a basketball team who are mainly responsible for staying close to players of the other team to stop them from scoring 后卫 - [countable]
one of the two players on an American football team who play either side of the centre forward （中锋两侧的）哨锋
people who protect警卫
against injury防止受伤
on train火车
in boxing/fencing拳击；击剑
in basketball篮球
in American football美式足球
Word Originlate Middle English (in the sense ‘care, custody’): from Old French garde (noun), garder (verb), of West Germanic origin. Compare with ward.
Idioms
be on your guard
to be very careful and prepared for something difficult or dangerous 警惕；提防；警戒 He was always on his guard against moneymaking schemes. 他对赚钱的计划总是保持着警惕。
drop your guard
to stop being careful and preparing yourself for possible danger or difficulty 警惕；提防；警戒 You can never drop your guard with a two-year-old. 你永远不能对一个两岁的孩子放松警惕。 Even when he's winning, he never drops his guard. 即使他赢了，他也从不放松警惕。
mount/stand/keep guard (over somebody/something)
off (your) guard
not careful or prepared for something difficult or dangerous 不警惕；不提防；不警戒 The lawyer’s apparently innocent question was designed to catch the witness off (his) guard. 律师看似不经意的问题是为了使证人措手不及。
Extra ExamplesTopics Dangerc2He caught me completely off guard. 他给了我一个措手不及。 The question seemed to catch him off his guard. 这个问题似乎让他措手不及。