But,you see,nobody knew the secret of how stupid he really was.

VOA: special.2010.03.27

Nobody, of course, knew this man but they knew people who might know people who would know this man.

当然这些人都不认识他，但他们认识其他人,这些人可能认识其他认识他的人。

耶鲁公开课 - 心理学导论课程节选

"Until now, nobody knew it but Scoresby and myself.

VOA: special.2009.01.03

Until now,nobody knew it but Scoresby and myself.

VOA: special.2010.03.27