Péng / you / men / dōu / huí / jiā / guò / jié / le / tā / yí / gè / rén / liú / zài / sù / shè / xiǎn / de / xíng / dān / yǐng / zhī

朋友们都回家过节了，她一个人留在宿舍，显得形单影只。

Her friends had all gone home for the holiday, leaving her alone in the dormitory and looking lonely.