Jǐngfāng duì fànzuì fēnzǐ jìnxíng le yī cì dà qīngsǎo.
The police conducted a major sweep against criminals.
Tips
usage
清扫 can be literal (sweeping/cleaning) or figurative (a police sweep against crime). Compare with 打扫 (dǎsǎo), which is the more casual everyday word for cleaning.