guard

noun

警卫 people who protect

1. 卫兵；警卫员；看守
   a person, such as a soldier, a police officer or a prison officer, who protects a place or people, or prevents prisoners from escaping
   1. a security guard
      安全警卫
   2. border guards
      边防卫士
   3. The prisoner slipped past the guards on the gate and escaped.
      犯人从门卫身旁溜出去逃走了。
   4. A guard was posted outside the building.
      建筑物外设了一名警卫。
2. （统称）卫兵，警卫，看守
   a group of people, such as soldiers or police officers, who protect sb/sth
   1. the captain of the guard
      卫队长
   2. the changing of the guard (= when one group replaces another)
      卫队换岗
   3. The guard is/are being inspected today.
      今天卫队接受检阅。
   4. 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。
   5. The President always travels with an armed guard .
      总统出行均有武装卫队保驾。
3. 警戒；保卫；保护；看守
   the act or duty of protecting property, places or people from attack or danger; the act or duty of preventing prisoners from escaping
   1. a sentry on guard (= at his or her post, on duty)
      值勤哨兵
   2. to do guard duty
      担任警戒任务
   3. The escaped prisoner was brought back under armed guard .
      越狱逃犯由武装警卫押回。
   4. The terrorist was kept under police guard .
      这名恐怖分子当时在警方的看管之下。
   5. One of the men kept guard , while the other broke into the house.
      一人放哨，另一人则闯进了房子里。
4. （英国和其他一些国家的）禁军，御林军，近卫军
   (in Britain and some other countries) special regiments of soldiers whose original duty was to protect the king or queen

防止受伤 against injury

5. 防护罩；防护装置；防护用品
   something that covers a part of a person's body or a dangerous part of a machine to prevent injury
   1. Ensure the guard is in place before operating the machine.
      一定要在防护装置放到位后再开机器。

火车 on train

火车 on train

拳击；击剑 in boxing /fencing

6. 防御姿势
   a position you take to defend yourself, especially in a sport such as boxing or fencing
   1. to drop/keep up your guard
      放弃 / 保持防御姿势
   2. In spite of the awkward questions the minister never let his guard fall for a moment.
      尽管遇到的是些令人尴尬的问题，部长却没有丝毫的失误。

篮球 in basketball

7. 后卫
   one of the two players on a basketball team who are mainly responsible for staying close to opposing players to stop them from scoring

美式足球 in American football

8. ﹙中锋两侧的﹚哨锋
   one of the two players on an American football team who play either side of the centre forward

verb

1. 警卫；守卫；保卫
   to protect property, places or people from attack or danger
   1. The dog was guarding its owner's luggage.
      狗守护着主人的行李。
   2. political leaders guarded by the police
      由警方保卫的政界领袖们
   3. You can't get in; the whole place is guarded.
      你进不去，整个地区都戒备森严。
   4. a closely guarded secret
      严守的秘密
2. 看守；监视
   to prevent prisoners from escaping
   1. The prisoners were guarded by soldiers.
      犯人由士兵看守。

1. VERB 守卫；护卫；警卫
   If you guard a place, person, or object, you stand near them in order to watch and protect them.
   1. Gunmen guarded homes near the cemetery with shotguns...
      持枪者手持猎枪守卫着墓地附近的房子。
   2. ...the heavily guarded courtroom.
      戒备森严的法庭
2. VERB 看守；监视
   If you guard someone, you watch them and keep them in a particular place to stop them from escaping.
   1. Marines with rifles guarded them...
      手持步枪的海军陆战队士兵监视着他们。
   2. He is being guarded by a platoon of police.
      有一队警察看守着他。
3. N-COUNT 卫兵；警卫员；看守
   A guard is someone such as a soldier, police officer, or prison officer who is guarding a particular place or person.
   1. The prisoners overpowered their guards and locked them in a cell.
      囚犯们制服了监狱看守，并将他们锁进了牢房。
4. N-SING-COLL （一队）卫兵；（一队）警卫
   A guard is a specially organized group of people, such as soldiers or policemen, who protect or watch someone or something.
   1. We have a security guard around the whole area...
      我们在该地区各处部署了保安。
   2. A heavily armed guard of police have sealed off the city centre.
      一队全副武装的警察已经封锁了市中心。
5. 列车长
   On a train, a guard is a person whose job is to travel on the train in order to help passengers, check tickets, and make sure that the train travels safely and on time.

in AM, use 美国英语用 conductor


6. VERB 保护；保守；遮掩
   If you guard some information or advantage that you have, you try to protect it or keep it for yourself.
   1. He closely guarded her identity.
      他对她的身份守口如瓶。
   2. ...a threat to the country's jealously guarded unity.
      对该国珍惜维护的统一局面的威胁
7. N-COUNT 保护装置；保护罩；保护器
   A guard is a protective device which covers a part of someone's body or a dangerous part of a piece of equipment.
   1. ...the chin guard of my helmet...
      我头盔上的下巴保护罩
   2. A blade guard is fitted to protect the operator.
      为保证操作人员的人身安全安装了桨叶保护罩。
8. N-IN-NAMES （英国的）近卫军，禁军，近卫军士兵
   Some regiments in the British Army, or the soldiers in them, are referred to as Guards.
   1. ...the Grenadier Guards.
      英国近卫步兵团
9. See also: guarded bodyguard coastguard lifeguard old guard
10. PHRASE 乘（人）不备；使猝不及防
    If someone catches you off guard, they surprise you by doing something you do not expect. If something catches you off guard, it surprises you by happening when you are not expecting it.
    1. Charm the audience and catch them off guard...
       吸引观众的注意力，然后给他们来个出其不意。
    2. The invitation had caught me off guard.
       收到这份邀请让我颇感意外。
11. PHRASE 丧失警惕；放松警惕；不提防
    If you lower your guard ,let your guard down or drop your guard, you relax when you should be careful and alert, often with unpleasant consequences.
    1. The ANC could not afford to lower its guard until everything had been carried out...
       非洲人国民大会在所有事项皆已完成前不敢有丝毫松懈。
    2. You can't let your guard down...
       你不能放松警惕。
    3. It takes me a long time to drop my guard and get close to people.
       我要花上好长时间才能放下戒备心，与人接近。
12. PHRASE 派人守卫；安排看守
    If you mount guard or if you mount a guard, you organize people to watch or protect a person or place.
    1. They've even mounted guard outside the main hotel in the capital...
       他们甚至派人在首都的大饭店外面站岗。
    2. Police mounted round-the-clock guards on properties last night.
       警方昨晚通宵值守财物。
13. PHRASE 警惕；提防
    If you are on your guard or on guard, you are being very careful because you think a situation might become difficult or dangerous.
    1. The police have questioned him thoroughly, and he'll be on his guard...
       警方已经对他进行了详细的盘问，因此他会保持戒备心理。
    2. He is constantly on guard against any threat of humiliation.
       他时刻提防着任何有辱尊严之事。
14. PHRASE 站岗；值班
    If someone is on guard, they are on duty and responsible for guarding a particular place or person.
    1. Police were on guard at Barnet town hall.
       警察在巴尼特市政厅值守。
15. PHRASE 站岗；放哨
    If you stand guard, you stand near a particular person or place because you are responsible for watching or protecting them.
    1. One young policeman stood guard outside the locked embassy gates.
       一位年轻的警察在大门紧闭的使馆外站岗。
16. PHRASE 在…看守之下
    If someone is under guard, they are being guarded.
    1. Three men were arrested and one was under guard in hospital.
       有3人被逮捕，1人在警方监护下送医院治疗。

1. Across the street from me there are a couple of police officers standing guard
   我对面的街上有几名警官在站岗。
2. A bank guard shot him in the leg and downed him.
   一名银行警卫开枪击中了他的大腿，使他受伤倒地。
3. They drugged the guard dog with doped meatballs
   他们用掺了麻醉药的肉丸子麻醉了看门狗。
4. These weapons also had a heavy brass guard which encased almost the whole hand
   这些武器还有一个沉重的黄铜护手，几乎把整个手都包住了。
5. Gunmen guarded homes near the cemetery with shotguns
   持枪者手持猎枪守卫着墓地附近的房子。
6. Marines with rifles guarded them
   手持步枪的海军陆战队士兵监视着他们。
7. He is being guarded by a platoon of police.
   有一队警察看守着他。
8. The prisoners overpowered their guards and locked them in a cell.
   囚犯们制服了监狱看守，并将他们锁进了牢房。
9. We have a security guard around the whole area
   我们在该地区各处部署了保安。
10. A heavily armed guard of police have sealed off the city centre.
    一队全副武装的警察已经封锁了市中心。
11. He closely guarded her identity.
    他对她的身份守口如瓶。
12. A blade guard is fitted to protect the operator.
    为保证操作人员的人身安全安装了桨叶保护罩。
13. Charm the audience and catch them off guard
    吸引观众的注意力，然后给他们来个出其不意。
14. The invitation had caught me off guard.
    收到这份邀请让我颇感意外。
15. The ANC could not afford to lower its guard until everything had been carried out
    非洲人国民大会在所有事项皆已完成前不敢有丝毫松懈。
16. You can't let your guard down
    你不能放松警惕。
17. It takes me a long time to drop my guard and get close to people.
    我要花上好长时间才能放下戒备心，与人接近。
18. They've even mounted guard outside the main hotel in the capital
    他们甚至派人在首都的大饭店外面站岗。
19. Police mounted round-the-clock guards on properties last night.
    警方昨晚通宵值守财物。
20. The police have questioned him thoroughly, and he'll be on his guard
    警方已经对他进行了详细的盘问，因此他会保持戒备心理。
21. He is constantly on guard against any threat of humiliation.
    他时刻提防着任何有辱尊严之事。
22. Police were on guard at Barnet town hall.
    警察在巴尼特市政厅值守。
23. One young policeman stood guard outside the locked embassy gates.
    一位年轻的警察在大门紧闭的使馆外站岗。
24. Three men were arrested and one was under guard in hospital.
    有3人被逮捕，1人在警方监护下送医院治疗。
25. A guard came and took our names and noted where each of us was sitting.
    一名警卫来记了我们的名字，还记下了我们每个人的座位。
26. He belongs to the ruling Nationalist Party's old guard.
    他属于执政的国民党的保守派。
27. He was rushed to court yesterday under armed guard.
    昨天他被急匆匆地武装押解到了法庭。
28. In the guard's van lay my tin trunk.
    我的铁皮箱放在了卫兵的行李车厢中。
29. On the platform, the guard blew his whistle
    平台上的警卫吹响了哨子。
30. A guard zapped him with the stun gun.
    一名警卫用眩晕枪击中了他。

  protect defend guard shield【导航词义：保护，保卫】

  protect v. 保护，护卫

〔辨析〕普通用词，指采取手段使某人不生病或某物不受损害等。

  defend v. 保护，保卫

〔辨析〕通常指用武装力量保护，使某人、某物、某处免受袭击。

  guard v. 保卫，守卫

〔辨析〕指警惕地守护以防止造成伤害、损失等。

  shield v. 保护，保卫

〔辨析〕通常指保护人、企业等免受伤害或损失。

guard against sth

1. 防止，防范，提防（某事）
   to take care to prevent sth or to protect yourself from sth

n.

be on your guard

• 警惕；提防；警戒
  to be very careful and prepared for sth difficult or dangerous

mount/stand/keep guard (over sb/sth)

• 守卫；看守；保卫
  to watch or protect sb/sth
  1. Four soldiers stood guard over the coffin.
     有四名士兵守护灵柩。

off (your) guard

• 不警惕；不提防；不警戒
  not careful or prepared for sth difficult or dangerous
  1. 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。

noun

1. a position on a basketball team

2. (American football) a position on the line of scrimmage
   1. guards must be good blockers

3. the duty of serving as a sentry
   1. he was on guard that night

   Synonym:    guard dutysentry dutysentry go

4. a precautionary measure warding off impending danger or damage or injury etc.
   1. he put an ice pack on the injury as a precaution
   2. an insurance policy is a good safeguard
   3. we let our guard down

   Synonym:    precautionsafeguard

5. a device designed to prevent injury or accidents

   Synonym:    safetysafety device

6. a posture of defence in boxing or fencing
   1. keep your guard up

7. a military unit serving to protect some place or person

8. the person who plays that position on a football team
   1. the left guard was injured on the play

9. a person who keeps watch over something or someone

10. the person who plays the position of guard on a basketball team

verb

1. watch over or shield from danger or harm
   1. guard my possessions while I'm away

   Synonym:    ward

2. protect against a challenge or attack
   1. Hold that position behind the trees!
   2. Hold the bridge against the enemy's attacks

   Synonym:    defendhold

3. to keep watch over
   1. there would be men guarding the horses

4. take precautions in order to avoid some unwanted consequence
   1. guard against becoming too friendly with the staff
   2. guard against infection