There is no gold, but a wall.

这里没金子，只有城墙。

youdao

I did fight him, I punched him but it was like hitting a wall.

我确实打了他，我用拳头打他，却像打在一面墙上。

《柯林斯英汉双解大词典》

The eldest said, "it is nothing but a nail in the wall."

大女儿说：“这只不过是墙上的一颗钉子。”

youdao

But at each end, they will get a nudge to tumble down - much like the Wall did two decades ago.

VOA: standard.2009.11.09

There is a wall around Paris and there are exterior forts, but you've got an enormous number of people besieged by Prussian and other German forces, holding on.

在巴黎外围高墙林立,堡垒遍地,但仍有大批民众,在普鲁士和其他德国军队的围攻中坚守阵地

耶鲁公开课 - 1871年后的法国课程节选

Human cells don't have a cell wall but most bacteria do.

人类细胞没有细胞壁而大部分细菌有

耶鲁公开课 - 生物医学工程探索课程节选

There is already a wall, known as a revetment, on the right side of the harbour exit but officials say a left wall is needed.

BBC: St Aubin

Paulson Jr. is a shark on Wall Street but a rookie on Pennsylvania Avenue.

FORBES: Will Bush Really Raise Taxes?

They are asking the ministry for permission, but are hitting a wall.

FORBES: Radioactive Rice and Sudden Acceleration? How About Over-Reaction and Irresponsibility?