1
be pedantic about sth
about 后接具体事物，常含贬义，指过分关注细节。
He is pedantic about grammar, correcting even the tiniest mistakes.
他对语法过分较真，连最微小的错误都要纠正。
学究式的；卖弄学问的
先理解核心含义，再看它在真实句子里的用法。
学究式的；卖弄学问的
paying too much attention to minor rules or details and showing off your learning
He is pedantic about grammar, correcting even the tiniest mistakes.
他对语法过分较真，连最微小的错误都要纠正。
Being overly concerned with formal rules and trivial points of learning, like a pedant.
以狭隘的学习或展示琐碎知识为特征的
marked by a narrow focus on or display of learning especially its trivial aspects
Tending to show off one’s knowledge, often in a tiresome manner.
His pedantic corrections about comma placement annoyed the whole class.
他对逗号位置的学究式修正让全班都很烦。
She is so pedantic that she always points out tiny spelling mistakes in emails.
她太学究气了，总是指出邮件里细小的拼写错误。
The article was clear, but some readers found his pedantic tone too showy.
这篇文章很清楚，但有些读者觉得他卖弄学问的语气太显摆。
about 后接具体事物，常含贬义，指过分关注细节。
He is pedantic about grammar, correcting even the tiniest mistakes.
他对语法过分较真，连最微小的错误都要纠正。
用作定语时，强调说话或写作方式死板、炫耀学识。
She gave a pedantic explanation that bored everyone.
她作了一番卖弄学问的解释，让大家都感到无聊。
该句型表达对某种行为的负面评价，认为其过于拘泥细节。
It is pedantic to correct every minor error in casual conversation.
在随意的谈话中纠正每一个小错误是学究气的。
Not this
He is a pedantic.
Use this
He is a pedantic person.
pedantic 是形容词，不能直接充当冠词 a 后的名词；a 后面需要名词中心词，因此要补上 person，构成 a pedantic person。
Not this
He is pedantic at details.
Use this
He is pedantic about details.
表示“对某事物过分讲究、拘泥”时，pedantic 后接介词 about 引出对象；此处 at 搭配不当，改用 about 后语义不变且符合英语习惯。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
对琐碎细节的过分关注
He described the process with pedantic detail, listing every minor step.
他学究式地细致描述了整个过程，列出了每一个细小的步骤。
学究式的坚持；对细节的固执己见
Her pedantic insistence on punctuation rules slowed down the whole team.
她对标点规则的学究式坚持拖慢了整个团队的进度。
咬文嚼字的争论；学究式的辩论
They had a pedantic argument about whether the phrase was grammatically correct.
他们就那个短语是否语法正确进行了一场咬文嚼字的争论。
学究式的教授；迂腐的教授
The pedantic professor spent ten minutes explaining one footnote.
那位学究式的教授花了十分钟讲解一条脚注。
学究式的精确；对细节一丝不苟的态度
He checked every figure with pedantic accuracy before submitting the report.
他在提交报告前以学究式的精确核对了每一个数字。
学究式的方法；拘泥于细节的做法
Her pedantic approach to editing made the article nearly unreadable.
她学究式的编辑方法使那篇文章几乎难以阅读。
Use pedantic naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
pedantic 里藏着 pedant（学究），学究式地抠细节、卖弄学问。
语域：mixed 常见场景：academic writing、casual conversation 该词在正式和日常语境中都会出现，但整体偏书面/正式；多用于形容人过分拘泥细节、拘泥规则或卖弄学问，常带批评意味。口语中使用时语气仍偏庄重。
pedantic 常含贬义，指过分拘泥于细节或卖弄学问。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.