Gǔ / dài / biān / guān / yí / dàn / shēng / qǐ / fēng / yān / fù / jìn / de / shǒu / jūn / jiù / huì / lì / jí / jiè / bèi

古代边关一旦升起烽烟，附近的守军就会立即戒备。

When beacon smoke rose at an ancient frontier pass, nearby troops would immediately go on alert.