他的回答非常模糊，我们完全不明白他的意思。

His answer was the ___vaguest possible, leaving us completely confused.

她给出的答案是最模糊的，完全没解释清楚问题。

Her answer was the ___vaguest, offering no clear explanation to the question.

在昏暗的灯光下，他的想法轮廓显得最为模糊。

Under the dim light, the shape of his idea was the ___vaguest.