pore over sth
pore over 是最常见的搭配，表示专心研读或反复细看某物；over 后接名词或名词短语。
She pored over the contract for hours before signing it.
签字之前，她仔细研读那份合同长达数小时。
仔细研读；钻研
poring — present participle of pore
沉思；深思；仔细研究；反复阅读。；以稳定的方式沉思或反思。；专心阅读；细想
to study or read something very carefully
常与 over 连用
仔细研究；反复阅读。
To study meticulously; to go over again and again.
以稳定的方式沉思或反思。
To meditate or reflect in a steady way.
一般现在时
She pores over her notes every night.
她每晚专心阅读笔记。
一般过去时
He pored over the documents yesterday.
他昨天仔细研究了这些文件。
现在进行时
They are poring over the map.
他们正在仔细看地图。
钻研，细读
She spent hours poring over the ancient manuscript.
她花了几个小时仔细研读那份古代手稿。
用法提示：动词 pore 与 over 搭配，表示‘仔细阅读、钻研’
He pored over the financial reports to find the error.
他仔细审阅财务报告以找出错误。
用法提示：动词 pore 的过去式 pored，与 over 连用，表示‘仔细查看’
The students were poring over their textbooks before the exam.
学生们在考试前专心致志地阅读课本。
用法提示：动词 pore 的现在分词 poring，与 over 搭配，表示‘专注研读’
pore over 是最常见的搭配，表示专心研读或反复细看某物；over 后接名词或名词短语。
She pored over the contract for hours before signing it.
签字之前，她仔细研读那份合同长达数小时。
over 后也可接由 what、how 等引导的从句，表示细究其内容。
He pored over what the witness had said, looking for contradictions.
他反复细读证人的陈述，寻找其中的矛盾之处。
用于被动语态时，用 by 引出研读的人，多强调被反复研读的对象。
The ancient manuscript was pored over by scholars for years.
这份古老的手稿被学者们仔细研读了多年。
pore更强调专注和长时间，study更通用
scrutinize更侧重检查，pore侧重阅读或思考
ponder强调思考，pore常指阅读或注视
examine范围更广，pore更具体于文本或细节
grammar · medium
易错句子She poured over her notes before the exam.
正确表达She pored over her notes before the exam.
“钻研、细读”用 pore over，不用 pour over。pour 意为“倒（液体）”，pour over 指把液体浇在……上；pore over 才是反复细读。两词发音相近，容易混淆。
grammar · medium
易错句子He pored the contract for hours.
正确表达He pored over the contract for hours.
pore 表示“仔细研究”时是不及物动词，不能直接跟宾语，必须用 pore over/through 引出对象；pore the contract 缺少介词 over。
仔细阅读；钻研
The student pored over her notes before the exam.
那个学生考试前仔细阅读了她的笔记。
仔细查阅；通读
He pored through the archives for weeks.
他花了几个星期仔细查阅档案。
深思；细想
The philosopher pored on the meaning of existence.
那位哲学家深思存在的意义。
仔细阅读，钻研
She pored over the ancient manuscript for hours.
她花了几个小时仔细研读那份古代手稿。
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Dictionary facts from ECDICT, WIKTIONARY, WORDNET.