Dig out a tunnel的用法和样例：
例句
- When Wen Yanbo arrived, the official army dug an underground tunnel to enter the town of Beizhou and Commander Wang Xin captured Wang Ze.
文彦博大军挖地道攻破贝州城，总管王信抓住王则。 - While guiding reporters into one of the tunnels, Major Mansoor said the militants would go down in the valley to kidnap skilled civilians and would force them to dig the tunnels.
曼苏尔少校在带领记者进入地道时说，武装分子到山谷里绑架掌握技术的平民百姓，强迫他们挖地道。
