They drove a tunnel through the solid rock.

他们凿出一条穿过坚固岩石的隧道。

《牛津词典》

They had to blast a tunnel through the mountain.

他们得炸出一条穿山隧道。

《牛津词典》

Is a tunnel being dug there?

一条隧道正在那里开凿是吗？

youdao

But to really experience this ocean world, you can enter a tunnel and watch the fish swimming above you.

VOA: special.2009.09.18

Sometime it will just stop in the middle of a tunnel for however long.

有时候，地铁会久久地停在隧道的中间。

纽约的交通手段 - SpeakingMax英语口语达人

When you start describing the significance of a symbol like the tunnel, which recurs in the book, you immediately begin to limit it, and a symbol should go on deepening.

当你开始描述一个象征的意义,比如说在书中，反复出现的隧道，当你一开始予以限制，这个象征就会继续深化。

耶鲁公开课 - 1945年后的美国小说课程节选

They try to use you as a tunnel into the systems of your suppliers and customers.

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Hallways on either side undulate with a tunnel of pulsing blue, then purple, lights.

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We reached a plateau, with excavators and bulldozers, and parked outside a tunnel into the hillside.

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