He crashed his car into a wall.

他的汽车撞到了墙上。

He could easily vault the wall.

他可以轻而易举地跃过这堵墙。

The boys climbed over the wall.

那些男孩翻过了那堵墙。

I pinned him against the wall.

我把他按在墙上。

She leaned against the wall.

她靠在墙上。

There is a window on the wall.

墙上有一扇窗。

The fields were divided by stone walls.

这些田地由石墙分隔。

He sat on the wall and watched the others playing.

他坐在墙头上看别人玩耍。

Why are they knocking down the wall？

他们为什么拆墙？

A vulgar flaring paper adorned the walls.

墙壁装饰着廉价的花纸。

这些句子涵盖了wall在不同情境下的用法，既有简单描述，也有较复杂的情境表达，适合四年级小学生的认知水平。希望这些例子对你有所帮助!