堆积如山

堆积如山 [duī jī rú shān]

1. ■ pile up like a mountain [like mountains]; a large amount at [on] hand; be piled mountain high; be piled up like mountains; lie in a heap; There were mountains of ...:

堆积如山的邮件 a mountainous pile of mail;

一张文件堆积如山的桌子 a table piled high with papers