stone wall

基本解释

A few actually reached the Union line at a stone wall. Hand to hand combat ensued.
一些南方军人在一堵石墙前到达了联邦的阵线，接着发生的是肉搏战。
Anotherteam ducked under a stone wall to provide backup fire to Afghan police officerschasing the insurgents.
另一队人在石头墙下伏击，阿富汗警察也开始追捕叛军。
Half a mile before the lighthouse itself, there’s a car park, and the rest of the route is over a single-track country lane, with a low stone wall on the side closest to the sea.
离灯塔半英里的地方有一个停车场，再接下来的路是一条单行的乡间小道，靠着海的那边有一道低矮的石头墙。

"Look!" He shouted. "There is Jackson, standing like a stone wall!
He shouted,"There stands Jackson like a stone wall."
Farther up the path are more cave homes with ruins of small stone rooms next to the wall of the canyon.

Over the stone wall we looked down at the stretch of sand by the lake.
NEWYORKER: History of a Disturbance

If you say that someone stonewalls, you disapprove of them because they delay giving a clear answer or making a clear decision, often because there is something that they want to hide or avoid doing.
stonewalling