Trust can only be extended to a fairly small circle of friends and fellow citizens.

信任只能延伸到,一个极小的,朋友圈子及同邦公民。

耶鲁公开课 - 政治哲学导论课程节选

In fact, he was knocked unconscious only for a short period and then he got up and his friends surrounded him and asked, "Are you okay?"

事实上，他只是短暂失去知觉,然后他起来了,他的朋友围过来问道，你还好吗“

耶鲁公开课 - 心理学导论课程节选