他看上去完全是个正常的人。

He appears a perfectly normal person.

《牛津词典》

我无论什么时候同他讲话，他都好像是个很正常的人。

Whenever I talked to him, he seemed like a pretty regular guy.

《柯林斯英汉双解大词典》

没有一个神志正常的人会做那样的事。

No sane person would do that.

《牛津词典》

And he has a theory about early life and perfectly appropriate as far as one can tell of what pre-human form he studied.

他有一个有关早期生命的理论,一般人都会觉得很正常,他研究人类之前的生命形式没有什么不合适。

普林斯顿公开课 - 人性课程节选

And it is a very scary tyke actually that transform yourself from somebody who would be blind to somebody who would be sighted.

实际上,如果你从一个失明的人,变成一个视正常的人也是件十分可怕的事情。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

But what about people who are neurologically normal but they don't have language around them?

但那些神经上正常但却没有语言环境的人,又会怎样呢

耶鲁公开课 - 心理学导论课程节选