The bus stop is just across the street, but we have to go there through the underground passage.

公共汽车站就在街对面，但是我们必须通过地下通道去那。

The house has an underground passage.

这房子有一条地下通道。

Please take the underground passage over there.

请走那边的地下通道。

The prisoners escaped by digging an underground passage.

囚犯挖地道逃跑了。

Straighten out the sword found in the underground passage.

把地下通道里找到的剑弄直。