After days of digging, the prisoners finally tunnelled their way out of the camp and escaped.经过很多天的挖掘，那些战俘最终掘了一条地道逃出了集中营。The rebels tunnelled out of a maximum security jail.叛乱者挖地道逃离了戒备最为森严的监狱。They tunnelled a hole in the wall.他们在墙上挖了个洞。They tunnelled the cliff.他们在悬崖上挖掘隧道。They tunnelled through the rock.他们穿过岩层挖出一条地道。