They have a bewildering capacity to becloud issues.

他有一种令人困惑的能力， 可以混淆问题。

They may also becloud issues to a degree that leaves no basis upon which to make a decision.

他也可能将问题复杂化到无法做出决定的步。

She forced herself to think of it as bound up with another woman's life — a woman towards whom she had set out with a longing to carry some clearness and comfort into her beclouded youth.

她强迫自己把它想象成与另一个女人的生活息息相关——一个她怀为她蒙蔽的青春带去一些清晰和安慰的女人。