开凿 (kāi záo) — to dig, to cut (a canal, tunnel, etc.)

Definición

A formal verb for cutting or boring through rock/earth to create a passage — canals, tunnels, wells. More deliberate and large-scale than 挖.

verb

to digto cut (a canal, tunnel, etc.)

开凿。
Tā men kāi záo le yì tiáo suì dào chuān guò dà shān.
They dug a tunnel through the mountain.
开凿。
Gǔ dài rén kāi záo le zhè tiáo yùn hé.
Ancient people dug this canal.
开凿。
Gōng rén men zhèng zài kāi záo shuǐ qú.
The workers are digging an irrigation ditch.