shì / bīng / zài / yíng / dì / rù / kǒu / shè / zhì / jù / mǎ / jiā / qiáng / yè / jiān / fáng / shǒu

士兵在营地入口设置拒马，加强夜间防守。

The soldiers set up barriers at the camp entrance to strengthen the nighttime defense.