在地下

zàidìxià
underground

CEDICT

Examples

地铁在地下通行。

Subways run under the ground.

Source: Tatoeba

Entry Composition

1 在地 zàidì (Tw) local; native (from Taiwanese 在地, Tai-lo pr. tsāi-tē)
2 下 xià
  1. down
  2. downwards
  3. below
  4. lower
  5. later
  6. next (week etc)
  7. second (of two parts)
  8. to decline
  9. to go down
  10. to arrive at (a decision, conclusion etc)
  11. measure word to show the frequency of an action

Related entries

井下 jǐngxià
  1. underground
  2. in the pit (mining)
地下 dìxià
  1. underground
  2. subterranean
  3. covert
雨斷斷續續地下了一整天。

It rained on and off all day.

Source: Tatoeba

地底 dìdǐ
  1. subterranean
  2. underground