underground

adj.

1. 地下的；地面以下的
   under the surface of the ground
   1. underground passages/caves/streams
      地下通道 / 洞穴 / 溪流
   2. underground cables
      地下电缆
2. 秘密的，非法的，暗中的，地下的（尤指反政府的）
   operating secretly and often illegally, especially against a government
   1. an underground resistance movement
      地下抵抗运动

adv.

1. 在地下；在地面下
   under the surface of the ground
   1. Rescuers found victims trapped several feet underground.
      营救人员发现有受难者被困在地下几英尺处。
   2. toxic waste buried deep underground
      深埋在地下的有毒废弃物
2. 隐蔽地；隐匿地
   in or into a secret place in order to hide from the police, the government, etc.
   1. He went underground to avoid arrest.
      他隐藏起来以防被捕。

noun

1. （城市的）地下铁路系统，地铁
   an underground railway/railroad system in a city
   1. underground stations
      地铁车站
   2. the London Underground
      伦敦地铁
   3. I always travel by underground.
      我总是乘地铁。
2. 秘密政治组织；（反政府）地下组织
   a secret political organization, usually working against the government of a country

The adverb is pronounced /ˌʌndə'graʊnd/. The noun and adjective are pronounced /'ʌndəgraʊnd/. 副词读作 /ˌʌndə'graʊnd/。名词和形容词读作 /'ʌndəgraʊnd/。


1. ADV 地下；地面下
   Something that is underground is below the surface of the ground.
   1. Solid low-level waste will be disposed of deep underground...
      放射性水平低的固体废料将做地下深埋处理。
   2. The plane hit so hard that one engine was buried 16 feet underground.
      飞机猛烈撞击地面，致使一个引擎陷到了地下16英尺处。
   3. Underground is also an adjective.
      
   4. ...a run-down shopping area with an underground car park.
      带有地下停车场的破败的购物区
   5. ...underground water pipes.
      地下水管
2. N-SING 地铁
   The underground in a city is the railway system in which electric trains travel below the ground in tunnels.
   1. ...a woman alone in the underground waiting for a train...
      独自在地铁里等车的女子
   2. He crossed London by underground...
      他乘地铁穿过伦敦。
   3. The underground is ideal for getting to work in Milan.
      在米兰，乘地铁去上班非常便捷。

in AM, use 美国英语用 subway


3. N-SING （反抗敌人或暴政的）地下组织，秘密组织
   In a country which is controlled by an enemy or has a harsh government, the underground is an organized group of people who are involved in illegal activities against the people in power.
   1. These US dollars were smuggled into the country during the war, to aid the underground.
      战争期间，这些美元被偷运到该国，用以资助那里的地下组织。
4. ADJ 地下的；秘密的；非法的
   Underground groups and activities are secret because their purpose is to oppose the government and they are illegal.
   1. ...the underground Kashmir Liberation Front...
      秘密的克什米尔解放阵线
   2. They are accused of organising and financing an underground youth movement.
      他们被指控组织并资助地下青年运动。
5. ADV 秘密地；隐蔽地；暗中
   If you go underground, you hide from the authorities or the police because your political ideas or activities are illegal.
   1. After the violent clashes of 1981 they either went underground or left the country.
      经历了1981年的激烈冲突之后，他们或转入地下，或离开了该国。
   2. ...opposition leaders, who are working underground because of the threat of arrest.
      面临被捕危险不得不秘密开展工作的反对派领导人

1. An underground organisation has claimed responsibility for the bomb explosion
   一个地下组织已经声称对这起***爆炸事件负责。
2. France has carried out an underground nuclear explosion on Mururoa Atoll in the South Pacific.
   法国已经在南太平洋的穆鲁罗瓦环礁进行了地下核爆。
3. The Chicago River flooded the city's underground tunnel system
   芝加哥河的河水淹没了城市的地下隧道系统。
4. Water trickles through an underground grotto.
   水沿着地下岩洞流淌。
5. A London Underground spokesman defended the decision to hold the train until police arrived.
   伦敦地铁公司的发言人为推迟发车直到警方赶来的决定作了辩解。
6. Bus routes and railways, both overground and underground, converged on the station.
   公共汽车线路和地上地下路轨都在该站交汇。
7. He was a courier for the Polish underground and parachuted into Warsaw
   他是波兰地下组织的情报员，被空降到华沙。
8. At its peak in the Thirties, Underground design and architecture was all of a piece
   在30年代的顶峰时期，地铁的设计和建筑风格都一模一样。
9. Radioactive water had seeped into underground reservoirs
   放射性水已经渗入地下蓄水层中。
10. There was an Underground map above one of the windows and I counted the stops to West Hampstead
    其中一扇窗户上方有一张地铁线路图，我数了数到西汉普斯特德站共有几站。
11. By 1997 or thereabouts Athens will have a new airport, plus the best underground railway in Europe.
    到1997年前后，雅典将有一个新机场，还有欧洲最先进的地铁。
12. The train was trapped underground by a fire
    列车被大火困在地下。
13. Solid low-level waste will be disposed of deep underground
    放射性水平低的固体废料将做地下深埋处理。
14. The plane hit so hard that one engine was buried 16 feet underground.
    飞机猛烈撞击地面，致使一个引擎陷到了地下16英尺处。
15. He crossed London by underground
    他乘地铁穿过伦敦。
16. The underground is ideal for getting to work in Milan.
    在米兰，乘地铁去上班非常便捷。
17. These US dollars were smuggled into the country during the war, to aid the underground.
    战争期间，这些美元被偷运到该国，用以资助那里的地下组织。
18. They are accused of organising and financing an underground youth movement.
    他们被指控组织并资助地下青年运动。
19. After the violent clashes of 1981 they either went underground or left the country.
    经历了1981年的激烈冲突之后，他们或转入地下，或离开了该国。
20. Mud oozed from underground.
    泥浆从地下冒出来。
21. When he was doing underground work he was arrested because a renegade informed against him.
    他做地下工作时，曾因叛徒告密而被捕。
22. Recently they have laid an underground pipeline.
    他们最近铺了一条地下管道。
23. We were safe from attack in the underground shelter.
    我们在地下掩蔽所里没有遭到攻击的危险。
24. Go by underground& it'll take you forever if you go by bus.
    坐地铁去吧！要是你乘公共汽车去，得花很长的时间。
25. We went by underground.
    我们是坐地铁去的。
26. The mole bored its way underground.
    鼹鼠在地下挖掘路。
27. This is one of the busiest underground stations in beijing.
    这是北京最忙碌的地铁站之一。

noun

1. an electric railway operating below the surface of the ground (usually in a city)
   1. in Paris the subway system is called the `metro' and in London it is called the `tube' or the `underground'

   Synonym:    metrotubesubway systemsubway

2. a secret group organized to overthrow a government or occupation force

   Synonym:    resistance

adj

1. conducted with or marked by hidden aims or methods
   1. clandestine intelligence operations
   2. cloak-and-dagger activities behind enemy lines
   3. hole-and-corner intrigue
   4. secret missions
   5. a secret agent
   6. secret sales of arms
   7. surreptitious mobilization of troops
   8. an undercover investigation
   9. underground resistance

   Synonym:    clandestinecloak-and-daggerhole-and-corner(a)hugger-muggerhush-hushsecretsurreptitiousundercover

2. under the level of the ground
   1. belowground storage areas
   2. underground caverns

   Synonym:    belowground

adv

1. beneath the surface of the earth
   1. water flowing underground

2. in or into hiding or secret operation
   1. the organization was driven underground