underground

underground — 形容詞

1. situated in the area below the top layer of the earth.

1.形容詞B2
釋義

地下的

位於或發生在地面以下的

situated in the area below the top layer of the earth.

例句

The car park is underground, so the cars stay cool in summer.

停車場設在地下,所以夏天車子不會太熱。

Work crews are laying underground cables for the new internet network.

施工人員正在鋪設新的地下網路電纜。

collocation: underground cable / underground pipe

同義詞
  • subterranean

    more formal and scientific; used for natural formations like caves or geological layers

  • buried

    implies something has been placed or covered under earth, not necessarily a permanent structure

反義詞

2. carried out in a hidden way, typically because the activity breaks official rule

2.形容詞B2
釋義

地下祕密

暗中進行、通常違反官方規定的

carried out in a hidden way, typically because the activity breaks official rules or opposes the people in power.

例句

During the war, students printed an underground newspaper that the government had banned.

戰時,學生們印了一份遭政府查禁的地下報紙。

collocation: underground newspaper / underground magazine

The charity discovered that an underground network was selling fake passports.

該慈善機構發現某個地下組織在販賣假護照。

同義詞
  • clandestine

    more formal and dramatic, often used in espionage or military contexts

  • covert

    suggests official secrecy by a government or agency; not necessarily illegal

  • illicit

    focuses on the illegal nature of the activity rather than the secrecy

反義詞
  • official

    approved by those in authority; not hidden

  • aboveboard

    completely open and honest, with nothing hidden

用法筆記

Frequently used before nouns describing media, organizations, or political actions that operate outside official permission.

常見錯誤

The club held an underground party in a basement.
The club held a secret party in a basement.
💡'underground' as an adjective implies illegality or anti-establishment activity, not just any hidden event.

3. relating to the secret network of safe houses and helpers in 19th-century Americ

3.形容詞C1
釋義

地下鐵道的

19世紀協助美國黑奴逃亡的秘密網絡

relating to the secret network of safe houses and helpers in 19th-century America that guided enslaved African Americans to freedom in northern states or Canada.

例句

Harriet Tubman is the most famous conductor on the Underground Railroad.

Harriet Tubman 是 Underground Railroad 最著名的嚮導。

proper noun: the Underground Railroad

The museum exhibit shows the underground escape routes used before the Civil War.

博物館的展覽展示了南北戰爭前黑奴逃亡的地下路線。

用法筆記

Almost always used with 'Railroad' or in explicit historical contexts. Outside US history, this sense does not apply.

常見錯誤

The Underground Railroad was a real railway under the ground.
The Underground Railroad was a secret network of people and hiding places
💡not an actual railroad.' — learners often confuse the name with a literal train system.

underground — 名詞

underground — 副詞