1
- an abnormally high body temperature, usually accompanied by shivering, headache, and in severe instances, delirium发烧, 发热; 热病：
her mother died of a fever
她母亲死于发热
mass noun African equine fever.非洲马热病。
1.1
- a state of nervous excitement or agitation激动不安, 焦躁：
I was mystified, and in a fever of expectation.
我困惑不解, 焦躁不安地期待着。
1.2
- mass noun with modifier the excitement felt by a group of people about a particular public event（对某一公众事件的）狂热：
election fever reaches its climax tomorrow.
选举热明天将达到高潮。
with obj.
- archaic bring about a high body temperature or a state of nervous excitement in (someone)〈古〉使发烧; 使激动不已; 使变得狂热：
a heart which sin has fevered.
一颗因罪恶而变得疯狂的心。
词源
Old English fēfor, from Latin febris; reinforced in Middle English by Old French fievre, also from febris.