They will have to block up the entrance to the tunnel.

他们将不得不封闭通往隧道的入口。

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In 1655, floods forced the Franciscans to block up the Byzantine-period entrance with a small stone wall and to open another at the end of a narrow passage fashioned between two supporting walls.

在1655年，由于洪水的危险，Franciscans以小石墙堵塞住拜占庭时期的入口，在尽头的狭窄通道的两堵支撑墙中间开另一个入口。

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In addition, I also had the laborious task of carrying a quantity of water from the pump behind the block around to the entrance in front, and then up two flights of stairs, usually a daily job.

此外，我还有一项艰苦的工作，就是从前面入口处的一块大石后面的水泵里打水，然后提着水上两层楼梯。通常这都是我每天的工作。

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Woodside Animal Sanctuary's charity shop said it was so concerned, it had put up its own sign asking people not to block the main entrance.

BBC: Colebrook, 2 May 2013