I might have a raging fever.

我可能发高烧了。

Once, when the dengue fever was raging in Calcutta, some portion of our extensive family had to take shelter in Chhatu Babu's river-side villa.

有一次，当登革热在加尔各答肆虐的时候，我们大家族里的一部分人就分流到奢都先生的河边别墅里避难。

Potential de-rating catalysts China fever is raging again.

潜在的催化剂中国热再次风行。