But by this point observing, studying, and classifying were out of the question.

但此时已不再是进行观察、研究和分类的时候了。

The women were out of the question.

女人是不可能的。

Since the territories separating Europe from the Far  East had primarily converted to Islam, any notions of Europeans traveling beyond, if they even knew  such a place existed, were out of the question.

由于将欧洲与远东分隔开来的领土主要皈依了伊斯兰教，因此如果欧洲人知道存在这样一个地方，那么任何欧洲人旅行的想法都是不可能的。