Overcrowding remains a large obstacle to improving conditions.

过度拥挤仍然是改善条件的一大障碍。

《柯林斯英汉双解大词典》

A lack of qualifications can be a major obstacle to finding a job.

学历不足可能成为谋职的主要障碍。

《牛津词典》

The agreement removes the last serious obstacle to the signing of the arms treaty.

该协议为武器条约的签署去除了最后一个重大障碍。

《柯林斯英汉双解大词典》

Mr.Netanyahu imposed the construction freeze under pressure from the United States, which sees the settlements as an obstacle to peace.

VOA: standard.2009.12.07

Why does God do this? Isn't this, in a way, Putting an obstacle in front of someone Almost ensuring they're going to trip over it?

上帝为什么要这样做？，不是吗，可以这样说，在人面前摆了一个障碍物,几乎确定他会被绊倒？

耶鲁公开课 - 旧约导论课程节选

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

The underlying obstacle to getting Saudis to work is that schools are not producing employable people.

ECONOMIST: Ever so slowly, Saudi society is moving forward

Another big obstacle to reform could be a lack of enthusiasm among local governments.

ECONOMIST: The government��s plans are still something of a mystery

But the biggest obstacle to economic recovery is political indecision, especially concerning foreign policy.

ECONOMIST: Iran��s economy