鑿空 [凿－]

Jyutping zok6 hung1
Pinyin záo kōng

Definitions (CC-CEDICT)
  1. to open an aperture
  2. (extended meaning) to cut a way through
  3. to open up a road
Definitions (Wiktionary)
  1. verb, literary
    to open up a road
  2. adj, literary
    forced; far-fetched
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）