dig a tunnel 挖隧道
underground tunnel 地下隧道
tunnel vision 隧道视野
A: How long did the construction take?
A：施工花了多长时间？
B: They tunnelled through the hard rock for months.
B：他们在坚硬的岩石中挖了几个月的隧道。
1) 挖隧道
2) 穿过隧道
1. 挖隧道
verb
1. to make a long, narrow passage through something, especially through earth or rock.
Synonym: burrow, excavate