n.知识分子；理论家
Jake didn't make very good grades in school, but his sister was a real egghead. 杰克在学校里成绩平平，但他的姐姐很有学问。
I'm tired of listening to that egghead. 我厌烦听那个书呆子讲话。
Mr Reed is an egghead, he can't do anything. 里德先生是个书呆子,他什么事也做不了。
