zhè / chǎng / sǎo / huáng / yùn / dòng / chí / xù / le / jǐ / ge / yuè / shè / huì / zhì / ān / míng / xiǎn / gǎi / shàn这场扫黄运动持续了几个月，社会治安明显改善。The campaign against pornography lasted several months, and public safety noticeably improved.