Someday this pillar might fail, and the tunnel we stand in May collapse into the one below it.

然后她做了一个前进的手势。某天这条支柱可能会倒塌，而我们现在所在的这条隧道可能会坍塌进下面的另一条。

youdao

In this paper, the instability criterion of blasting demolition in different collapse techniques of frame structure has been studied in the name of the blasting height of pillar.

本论文通过立柱爆破高度来对不同坍塌方式下的框架结构爆破拆除失稳判据进行研究。

youdao

Police told local media that the rear of the building had suddenly started to collapse on Wednesday morning, and within a short time the whole structure - except the main pillar and parts of the front wall - had caved-in, triggering panic.

BBC: Bangladesh Dhaka building collapse leaves 87 dead