The soldiers undermined the wall.是什么意思？

The soldiers undermined the wall.

士兵们在墙下挖洞。

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

soldiers

n. 士兵，军人( soldier的名词复数 )，兵员，士卒；

例句
13 soldiers were killed and 10 wounded in action.
战斗中有13名士兵阵亡，10名士兵受伤。

undermined

adj. 潜行的；v. 在某物下挖洞或挖通道( undermine的过去式和过去分词 )，侵蚀…的基础，暗中破坏，逐渐削弱；

例句
The authority of his voice is undermined by the smallness of his build.
瘦小的身形削弱了他声音中的权威感。

wall

n. 墙，屏障，隔阂，壁垒；vt.& vi. 筑墙围住，用墙隔开，围以墙；adj. 墙壁的；

例句
On a table pushed against a wall there were bottles of beer and wine.
在一张靠墙的餐桌上有啤酒和葡萄酒。