They were black. Blacker than black.

它们黑漆漆的，比黑暗更幽深。

The Afghan night is blacker than most.

阿富汗的夜晚比其他地方更漆黑。

The future for the industry looks even blacker.

这个产业的前景看起来更加暗淡。

The blacks will be blacker and the whites whiter.

黑色将更黑而白色将更白。

That old man's revenge has been blacker than my sin.

那老人的复仇比我的罪过更见不得人。