实用英语，行业英语…他山之石，能够使我们触类旁通，以更好的学习和思考。

Practical english, industrial english etc where we can get some thing from, for better studying and thinking.

比赛中，我们看到了参赛朋友更加优秀的表演。他山之石，可以攻玉。

In the competition, we witnessed the excellent performance of other participants and believed that we will benefit from this learning opportunity.

他山之石，我的意思是这并不是永动机理论，这个理论在原理上本就不通。

By what works in other places, I mean that this is nothing like the theory of the perpetual motion machine, which is unworkable even in principle.

他山之石，可以攻玉，借鉴他国的有益经验，有利于用全球视野来展望我国的语文综合性学习。

It analyzes"the comprehensive learning of language"from both theoretical and practical perspectives and brought forward feasible operation strategy.