tā / de / bàn gōng shì / wén jiàn / duī jī rú shān / zī liào / páng zá / de / ràng / rén / wú cóng xià shǒu

他的办公室文件堆积如山，资料庞杂得让人无从下手。

His office is piled with documents, and the materials are so messy that people don't know where to start.