Lee Smith says it has always been hard for Americans to understand exactly why peace in the Middle East is so elusive, and why violence and terrorism are so pervasive and persistent in the Arab world.

VOA: standard.2010.03.18

To use an ancient expression from the 1970's, which only John and I will appreciate, it's really hard to grok what that code is doing, to understand what it's trying to make happen.

我和约翰都会同意，70年代的一句话来概括，那就是很难理解编码的内容，以及它想要完成的工作。

麻省理工公开课 - 计算机科学及编程导论课程节选

So it is very hard to understand P's silence in this regard, if it stems entirely from the post-exilic, priestly circles.

很难理解P资源在这一方面的缄默，如果它来源于流放后时期，牧师圈子。

耶鲁公开课 - 旧约导论课程节选