They polish the heck out of them to make them shiny.

他们把它们擦亮，使它们闪亮。

He was silent for a moment; and then proceeded with a more self-possessed air, though with traces of vexation and disappointment that would not be polished out.

他沉默了一会儿。 然后继续以一种更加镇定的神情继续， 尽管带有无法消除的烦恼和失望的痕迹。