"So until we can overcome that stumbling block I think there is a bit of an issue."

VOA: standard.2009.11.04

That belief in Christ is to some a matter of life and death has been a stumbling block for readers who would prefer to think it a matter of no great consequence.

有些读者认为,对基督的信仰是关乎生死的大事,这对于那些对基督教,不以为然的人是一个障碍。

耶鲁公开课 - 1945年后的美国小说课程节选

What seems so obvious, at least to me here in reading Lycidas, is that at this point in 1637 there's a stumbling block or a hurdle that Milton in his race simply can't get over.

在我读的过程中，显而易见的是，是在1637年时弥尔顿在他的职业生涯里,有一道无论如何也过不去的坎。

耶鲁公开课 - 弥尔顿课程节选

Delegates in Spain hit a major stumbling block Tuesday when the African group pulled out of some climate talks, saying rich nations are not doing enough to tackle climate change.

VOA: standard.2009.11.04

It's definitely an opportunity for help, but particularly, as an opportunity to work with someone for just a few moments to help get you unstuck or to get you past some stumbling block that, otherwise, if you struggled with on your own, you might sink or waste even multiple hours on just something that you're not seeing.

这是一个寻求帮助的机会，特别是，作为一个与某人一起工作的机会,他们能帮助你解决问题,或帮助你越过绊脚石，否则，如果你自己单独奋斗，你可能,浪费很多时间在,你不了解的东西上。

哈佛公开课 - 计算机科学课程节选

Mohammed Said Idries, of the Al Ahram Center for Strategic Studies, says that there are many reasons why the electoral law remains stalled in the Iraqi parliament, but that the quarrel about the identity Kirkuk is one key stumbling block.

VOA: standard.2009.10.26

Milton's own faculty of memory - this is the idea that I'm going to be floating here - seems to provide something like, or pose a stumbling block or an obstacle for, his attempt to write an original, divinely inspired poem.

在这里我想说,弥尔顿自己的记忆系统,似乎想提供某种东西，或者想在他写出一部原创的，伟大的诗作的尝试上设置一个障碍。

耶鲁公开课 - 弥尔顿课程节选