created sense approved 凿空/鑿空 · záokōng · open aperture
凿空 / 鑿空
záokōng
open aperture
to make a hole or create an opening
工匠在墙上凿空以安装通风管道。
created sense approved 凿空/鑿空 · záokōng · pioneer
凿空 / 鑿空
záokōng
pioneer
to cut a way through or open up a new route, especially in a historical or exploratory context
张骞凿空西域，开辟了后世著名的丝绸之路。