无底坑

無底坑
wúdǐkēng
  1. the bottomless pit (Hell in the Bible)
  2. pitless (elevator)

CEDICT

Entry Composition

1 无底 wúdǐ bottomless
=2 坑 kēng
  1. pit; hollow; depression
  2. (mining) pit; shaft; tunnel
  3. (literary) to bury alive
  4. (coll.) to cheat; to scam; to screw over
=2 坑 kēng variant of 坑 kēng