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| NOUN |
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| /gɑːd/ |
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| 1 | C someone whose job is to look after a place or person so that no one causes damage , steals anything , or escapes 警卫；守卫；哨兵 |
| a prison guard 监狱看守 |
| uniformed border guards 穿制服的边境哨兵 |
| armed guard There was an armed guard on duty outside his door. 他的门外有一个武装卫兵在执勤。 |
| post a guard The captain posted two guards at the gate. 上尉在大门口安排了两个卫兵。 |
| | 1a | singular a group of guards who are working together 警卫队 | | change/relieve the guard The guard was due to be relieved at six o’ clock. 警卫队在6点钟换班。 | |
| | 1b | an officer in the Irish police force （爱尔兰警察部门的）警官 | |
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| 2 | singular a unit of soldiers or police officers, especially one that has a particular job （由士兵或警官组成的）卫队，警卫队 |
| members of the Presidential guard 总统卫队的队员们 |
| troops belonging to the National Guard 隶属国民警卫队的部队 |
| | 2a | used in the names of some units in an army , especially the British army （尤用于英国军队中某些部队的名称）近卫军，近卫团 | | a captain in the Scots Guards 苏格兰近卫团的上尉 | |
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| 3 | C something that helps to stop something bad from happening 警戒物 |
| +against We kept the landmines as a guard against invasion from the North. 我们保留地雷以防北部的入侵。 |
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| 4 | C BRITISH someone on a train whose job is to check tickets, announce the stations, and look after the passengers. AMERICANconductor 列车长 |
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| 5 | C something that covers a dangerous part of a machine （机器的）防护罩，防护装置 |
| | 5a | something that you wear to protect a part of your body , for example when playing a sport 护具 | | a mouth guard 护牙 | |
| | 5b | the way that boxers stand with their hands in front of their face , to protect themselves from an opponent （拳击运动员的）防御姿势 | | put up your guard(s) They put their guards up and began circling each other. 他们摆出防御姿势，绕着圈子互相试探。 | |
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| 6 | C in basketball , one of two players who are responsible for moving the ball around the court in order to create opportunities for their team to score （篮球）后卫 |
| | 6a | in American football , a player who plays next to the centre （美式橄榄球中的）后卫 | |
| PHRASES |
| - | be/stay on guard
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| to be officially put somewhere to guard someone or something |
| 守卫；值勤 |
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| - | drop/lower/let down your guard
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| 1 | to relax and trust people , even though this means that you might let yourself be upset or do the wrong thing . If someone does not do this , you can say that their guard is up 放松警惕 | She was not ready to let down her guard and confide in him. 她还没有对他放松警惕并加以信任。 | |
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| 2 | to stop being careful , for example in a game or when you are being attacked 开始松懈 | We cannot afford to drop our guard. 我们无法承受松懈的代价。 | |
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| - | keep a guard on your tongue/temper old-fashioned
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| to be careful about how you speak or behave |
| 说话谨慎；行事谨慎 |
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| - | off (your) guard
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| not thinking about something , so that you might say or do something you did not intend to |
| 疏于防范 |
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| catch/take sb off (their) guard (=surprise someone) ‘Why on earth did you tell him that?’ ‘He caught me off guard!’ 使某人措手不及 |
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| - | on (your) guard
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| thinking or behaving carefully, so that you do not say or do something you did not intend to |
| 谨慎小心 |
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| There are cameras everywhere, so be on your guard! 到处都是摄像机，你要小心！ |
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| - | stand/keep guard
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| to watch a person or place carefully in order to protect them from attack , or to prevent someone from escaping |
| 守护；看守 |
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| Small groups of men kept guard in the fields. 人们分成小组在田间守护。 |
| +over Armed soldiers stood guard over him. 武装士兵看守着他。 |
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| - | under guard
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| protected or prevented from escaping by a guard |
| 在…保护（或看守）之下 |
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| He was taken to prison under police guard. 他被带到监狱，由警方看守。 |
| under heavy guard (=with a lot of guards) The Prime Minister arrived under heavy guard. 戒备森严 |
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