凿空
verb C2- to open an aperture
- (extended meaning) to cut a way through
- to open up a road
Its characters
From the library
汉代使臣张骞凿空西域，不仅带回了良马与珍宝，更将葡萄和核桃等作物的种子播撒在神州大地上。
Learn 凿空 in real texts
With a free account, hover any word in the library for its meaning, hear it read aloud, save words for review timed to your memory, and see how much of each book you already know.