pedant
词根词缀：
encyclopedia n. 百科全书
en 使… + cyclo〔= cycl 圆，环〕+ ped 儿童，引申为“教育” + ia 某种病 → 囊括了所有的知识 → 百科全书
pedagogy n. 教学法
ped 儿童，引申为“教育” + agog 引导 + y 表名词 → 引导如何教育儿童 → 教学法
pedant n. 迂腐的教师；学究
ped 儿童，引申为“教育” + ant 表人 → 只知教儿童学习的老师 → 迂腐的教师
pedantry n. 卖弄学问
pedant 迂腐的教师；学究 + ry 表行为 → 卖弄学问
pediatrist n. 儿科医生
ped 儿童，引申为“教育” + iatr + ist 从事某职业的人 → 儿科医生
pedology n. 儿科学
ped 儿童，引申为“教育” + ology …学 → 儿科学
数据来源：新东方英语词汇速记大全
相关例句：
The old pedant used so many archaisms that half of what he said was unintelligible.
老学究满口之乎者也，教人半懂不懂。
But there are never people who don't study because they are afraid of being deceived or becoming a pedant.
但几乎没有因为怕上当受骗或怕当书呆子而不读书的。
Does a pedant digest his commonplace book into a folio? He quickly becomes great.
平庸的学者压缩他的著作出对开本了，很快也成为伟人。
As a nuisance, a pedant or a person who prefers style to substance, for instance.
比如，他会认为你很讨厌，是个书呆子，或注重形式多过本质。
Indeed he went farther, and characterised the baron as the most intolerable formal pedant he had ever had the misfortune to meet with.
岂止如此，他还把男爵说成是他有生以来不幸遇上的最无法容忍的迂夫子。
Everybody at the meeting is a droning pedant.
会上人人都是语言乏味的空谈家。