To make a tunnel through or under.

在…掘隧道穿过或在…下面开通一条坑道。

youdao

They are digging through the hill to make a tunnel.

他们正在凿山建一条隧道。

youdao

If they're still symptomatic, then there is a surgical procedure to alleviate the problem: Make a slit and open the tunnel so the nerve has more breathing space.

如果症状依然明显的话，就要采取外科手术来缓解病情了：切开一个小口并打开肘管，以便让神经获得更多的喘息空间。

youdao

Mr Besson said he planned to work with the British government on a common strategy "to reinforce controls and make the passage by the (Channel) Tunnel or port as difficult as possible for illegal immigrants".

BBC: French migrant camp re-examined