Health systems are the stumbling block.

卫生系统是绊脚石。

youdao

The stumbling block is stepping-stone.

绊脚石乃是进身之阶。

youdao

The stumbling block lies with their conflicting views of space and time.

绊脚石正是它们对空间和时间观念的冲突。

youdao

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

This had been the stumbling block for China Mobile and Apple to come to an agreement.

FORBES: Analysts Misdiagnose Apple Once Again

Finding the money to pay for those changes remains the stumbling block to West Ham's bid.

BBC: Deadline set for 2012 London Olympics stadium bids

The stumbling block: Napster users are anonymous to each other and trade on a massive scale.

CNN: Napster takes the defensive