1
preface sth with sth
He prefaced his speech with a joke.
他讲了个笑话作为演讲的开场白。
以…开场；在…之前说
prefacing — present participle of preface
先理解核心含义，再看它在真实句子里的用法。
以…开场；在…之前说
To say or write something before the main point as an introduction.
He prefaced his speech with a joke.
他讲了个笑话作为演讲的开场白。
作为...的开端,以...为开场
To introduce or make a comment before (the main point); to premise.
为...作序
To give a preface to.
为...作序
furnish with a preface or introduction
preface
Base
原形
prefaces
3rd person
第三人称单数
prefacing
-ing
现在分词
prefaced
Past
过去式
prefaced
Past participle
过去分词
He often prefaces his speeches with a joke.
他经常在演讲前先说个笑话。
She prefaced her article with a personal story.
她在文章前面加了一个个人故事。
The author has prefaced the second edition with a new introduction.
作者在第二版前面加了一篇新的序言。
规则动词
The author prefaced her novel with a brief explanation of its historical context.
作者在她的长篇小说前面加了一个简短的历史背景说明。
AI contextual example
He began the speech by prefacing his remarks with a quote from the president.
他以引用总统的话作为开场白，开始了演讲。
AI contextual example
The professor always prefaces his lectures with a summary of the previous class.
这位教授总是在讲课前先总结上一节课的内容。
AI contextual example
He prefaced his lecture with a critical remark about the institution
他以一句对该机构的批评性评论作为演讲的开场白。
WordNet
He prefaced his speech with a joke.
他讲了个笑话作为演讲的开场白。
She prefaced her remarks by thanking everyone.
她以感谢大家作为开场白。
Not this
He prefaced to his speech with a joke.
Use this
He prefaced his speech with a joke.
动词'preface'是及物动词，直接跟宾语，不需要介词'to'。应使用'preface + 宾语 + with + 内容'结构。
Not this
She prefaced the book by a short introduction.
Use this
She prefaced the book with a short introduction.
动词'preface'的主动语态中，通常使用介词'with'引出前言或开场白，而非'by'。'by'常用于被动语态。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
为书作序；给书加前言
She was asked to preface the new edition of the novel.
她受邀为这部小说的新版本作序。
在讲话之前先说；以…作为讲话的开场
The manager prefaced his remarks with an apology for the delay.
经理在讲话前先为延误道了歉。
为演讲作开场白
He prefaced his speech with a joke to relax the audience.
他以一句笑话作为演讲的开场白，让观众放松下来。
以…作为开头；前面有…
The report is prefaced by a summary of the main findings.
这份报告开头是主要结论的摘要。
在提问之前先说；提问前先做说明
She prefaced her question with a comment about the budget.
她在提问之前先就预算问题发表了看法。
为一篇文章写前言；在文章前加引言
The author prefaced the essay with a dedication to his mentor.
作者在这篇文章前加了一段献给导师的题献。
Use prefacing naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
pre=前，face=脸：在正文这张“脸”前说的话，就是作序、开场。
语域：formal 常见场景：formal writing、formal speech、book prefaces preface 作动词时通常用于较正式的书面或演讲语境，表示“在…之前说/写”或“为…作序”，日常口语中较少使用。
通常及物，后接介词with
Dictionary facts from ECDICT, WIKTIONARY.