But it is unstable and can tumble down.

但它是不稳定的，会滚落下来。

youdao

That old building could tumble down at any time.

那座古老的楼房随时可能倒塌。

youdao

We stopped before a tumble-down building.

我们停在一栋摇摇欲坠的建筑物前。

youdao

We stopped before a tumble-down building.

我们停在一栋摇摇欲坠的建筑物前。

youdao