Oh, in that case, he doesn't have a leg to stand on!

哦，在那种情况下，司机说的话就站不住脚了。

You haven't got a leg to stand on. - I don't feel that way.

这个案子看起来真的有值得质疑的地方。

Let it go. The kids walked for 3 miles to get here. We don't have a leg to stand on.

算了吧。孩子们走了3英里路跑到这里。我们的腿都会受不了。

Not having a leg to stand on means a person does not have any evidence to support his or her argument.

站不住脚的意思是，一个人没有任何证据来支撑他自己的论点。

The other side doesn't have a leg to stand on.

对方的说法站不住脚。

'If we really haven't a leg to stand on of course we won't defend.

“如果我们真的没有立足之地， 我们当然不会防守。

But trust me, we don't have a leg to stand on.

但相信我 我们也没有站得住脚的理由反对。

If you didn’t sign a contract, you won’t have a leg to stand on.

【leg】如果你没签合同的话，你就没有东西可以依据了。

Is your mom mad that you're not being presented? well, she doesn't really have a leg to stand on

你不去舞会 你妈不会抓狂？她没有这个立场来说我？

Whether the  arguments of this conspiracy theory have a leg to stand on or not, it remains a major  talking point well into the 21st century.

无论这种阴谋论的论点是否站得住脚，它仍然是 21 世纪的主要话题。