凿空 záo kōng

to open an aperture

Word data

HSK Not in HSK
Frequency Unknown

Definitions

  1. 1. to open an aperture
  2. 2. (extended meaning) to cut a way through
  3. 3. to open up a road

Characters

Character Meaning
凿 záo
chisel; to chisel or dig; to bore a hole
空 kōng HSK 3
empty; sky; air