up against the wall

基本解释

When it comes time to shoot the entire family, don't just line them up against the wall, execution-style.
照全家福时，可以不必让全家人都靠墙站成一条线，像行刑一样。
It IS possible to work together to make a difference in a situation in which the backs of the human race may be up against the wall.
在已经没有退路的情况下，我们团结起来，创造奇迹是有可能的！
blog.sina.com.cn
Consequently, their immodesty often drives them up against the wall.
因此，他们不慎常常驱使他们面对的是墙壁。

I quickly stood up. My back was against the cave wall.
They threw me up against the wall and checked me out, because I was a kid and I wanted to go there and see, just for the purpose of history, of being there.
他们把我推到墙上开始检查,因为我是个孩子而且我想去那看看,就是为了见证历史,亲身体验
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Its products are like spaghetti, Google throws them up against the wall to see if they stick.
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And the first thing I see is a rack of about 15 AK-47s lined up against the wall.
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