凿空 Save Sign in to save words Traditional (Taiwan): 鑿空 záokōng ㄗㄠˊ ㄎㄨㄥ to open an aperture to cut a way through extended meaning to open up a road Character by character 凿(záo)chisel 空(kōng)empty A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0