She bashed out about four books a year.

她一年大概炮制出四本书。

《牛津词典》

I was petty proud when I bought four books from the Harry Potter.

当我从哈利波特书店买了四本书时，我感到非常骄傲。

youdao

Walker has published four books of her verse.

沃克已经出版了4本诗集。

《柯林斯英汉双解大词典》

He has written four books about journalism, including "Yellow Journalism: Puncturing the Myths, Defining the Legacies."

VOA: special.2009.08.28

Now, it's interesting because the other four books of the Pentateuch never mention a king. In Genesis through Numbers none of the legal materials say when you have a king this is what he shall do.

有趣的是，摩西五经中的其他四本经书,从来没有提到过国王，从《创世纪》到《民数记》,从没有一份正规的材料说,当你有了一位国王后，这些就是他应该做的事情。

耶鲁公开课 - 旧约导论课程节选

It argues that the books must be exactly twenty-four, because Revelation 4:10 has twenty-four elders in God's throne room.

它声称书的总数必须为24卷，因为启示录第四章第十节有24位老者,在上帝的正殿里。

耶鲁公开课 - 新约课程节选

Mrs Cheng, a university professor, spent 10 years on translating the four books, according to the report.

BBC: China media: Xinjiang arrests

His famous collection consists of four books originally called "La ciencia desde Mexico" and now "La Ciencia para Todos".

UNESCO: Science Policy and Capacity-Building

Ross Klein, a Newfoundland professor, has written four books on the cruise industry and maintains a database online.

CNN: July 8, 2012 -- Updated 1911 GMT (0311 HKT)