shī / rén / yòng / dōng / tù / xī / wū / gǎn / tàn / shí / guāng / liú / shì / tí / xǐng / rén / men / zhēn / xī / dāng / xià

诗人用“东兔西乌”感叹时光流逝，提醒人们珍惜当下。

The poet used “东兔西乌” to lament the passage of time and remind people to cherish the present.