1
the underground
underground 作名词时通常指秘密抵抗组织，常与定冠词 the 连用。
He was a member of the underground.
他是地下组织的成员。
地铁；地下铁道
先理解核心含义，再看它在真实句子里的用法。
地铁；地下铁道
a railway system that runs under the ground in a city
He was a member of the underground.
他是地下组织的成员。
英式英语中通常指此意
地下区域(包括天然洞穴和人造矿井等)
The regions beneath the surface of the earth, both natural (eg. caves) and man-made (eg. mines).
地下组织
a secret group organized to overthrow a government or occupation force
地铁
an electric railway operating below the surface of the ground (usually in a city)
I usually take the underground to work because it is faster than driving.
我通常乘地铁上班，因为比开车快。
AI contextual example
The underground was so crowded this morning that we could hardly move.
今天早上地铁太拥挤了，我们几乎动不了。
AI contextual example
The underground runs from 5 a.m. until midnight on weekdays.
地铁在工作日从早上五点运营到午夜。
AI contextual example
in Paris the subway system is called the `metro' and in London it is called the `tube' or the `underground'
在巴黎,地铁系统被称为“metro”,在伦敦则被称为“tube”或“underground”。
WordNet
underground 作名词时通常指秘密抵抗组织，常与定冠词 the 连用。
He was a member of the underground.
他是地下组织的成员。
Many students joined the underground during the war.
战争期间许多学生加入了地下组织。
She worked for the underground, distributing pamphlets.
她为地下组织工作，分发传单。
Not this
He joined underground to fight the government.
Use this
He joined an underground to fight the government.
underground作为可数名词，单数形式前需要冠词；加入某个地下组织应说join an/the underground。
Not this
They are underground now.
Use this
They are an underground now.
underground作为名词表示组织时，不能用作形容词或副词；表示‘他们是一个地下组织’应使用名词短语an underground。
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Includes Synonyms & Antonyms
Expand your vocabulary with synonyms and antonyms.
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加入地下组织
Many young people decided to join the underground to fight against the dictatorship.
许多年轻人决定加入地下组织，对抗独裁统治。
地下组织网络
The underground network has been operating secretly for years.
这个地下组织网络已经秘密运作多年。
地下组织领袖
The underground leader was arrested by the police.
那位地下组织领袖被警察逮捕了。
乘坐地铁
I usually take the underground to work because it's faster.
我通常坐地铁上班，因为更快。
地铁站
The nearest underground station is about five minutes away.
最近的地铁站大约五分钟路程。
地铁列车
The underground train arrived at the platform on time.
地铁列车准时到达站台。
转入地下；秘密活动
The resistance movement decided to go underground after the crackdown.
镇压之后，抵抗运动决定转入地下活动。
地下经济；黑色经济
The underground economy accounts for a significant portion of the country's GDP.
地下经济占该国GDP的很大一部分。
迫使某事转入地下
The new regulations drove many small businesses underground.
新规定迫使许多小企业转入地下经营。
我要转入地下。
In the song 'Going Underground' by The Jam, the singer declares his intention to escape from society.
在The Jam乐队的歌曲《Going Underground》中，歌手表达了他逃离社会的意图。
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拆分记忆：under（在下面）+ ground（地面），地面下的秘密组织或地铁。
通常用于政治或历史语境，指秘密抵抗组织。语体较为正式或中性。
常与定冠词the连用，指地下组织或运动，可数但通常用单数。
Dictionary facts from AI_FALLBACK, DICTIONARY_API_DEV, ECDICT, WORDNET.