to produce large amounts of something quickly, usually something of low quality(不顾质量快速地)大量生产;粗制滥造
The factory churns out thousands of pairs of these shoes every week.那家工厂每周生产数千双这样的劣质鞋子。
She churns out a new best-selling novel every year.每年她都能炮制出一本新畅销小说。