It means something like a kind of dulled grayness or ordinariness of life.

这意味着像一种沉闷的灰色或平凡的生活。

What chilled him was the ordinariness of these men.

令他震撼的是这些人的平凡无奇。

It is you, in your absolute ordinariness it flowers.

它将在你完全显凡中绽放。

You could almost say that its ordinariness makes it a classic tale.

你甚至可以说它普通到能成为为一则经典寓言。

It's the very ordinariness of the thing which hits you in a way in which each name represents a person.

这是很平常的事情，然而却让你感到震撼，因为每个名字代表的就是一个人。