前门没有了，屋顶裂开一个洞。

The front door was missing. A hole gaped in the roof.

《柯林斯英汉双解大词典》

松鼠钻进了树根处的一个洞。

The squirrel disappeared into a hollow at the base of the tree.

《牛津词典》

墙上有个洞，水正渗出来。

There was a hole in the wall and water was seeping through.

《柯林斯英汉双解大词典》

Now, if you dug a hole here until there, and of course it may work until that happens.

现在,如果你在地上挖个洞,让这个物体下落时间足够长,那还说得通

耶鲁公开课 - 基础物理课程节选