今天的云量很大，阳光几乎无法穿透。

There's a lot of ___cloudiness today, making it hard for the sun to break through.

果汁的混浊表明它可能已经变质了。

The ___cloudiness of the juice suggests it might have gone bad.

熬夜带来的疲劳使他的思维有些模糊不清。

The fatigue from staying up late caused some ___cloudiness in his thinking.