jǐng / fāng / jiā / qiáng / le / yè / jiān / xún / chá / yǐ / miǎn / xiāo / xiǎo / chèn / jī / zuò / àn警方加强了夜间巡查,以免宵小趁机作案。The police increased nighttime patrols to prevent criminals from taking the opportunity to commit crimes.