1 sentence

1. 由于他天生有书癖，家里的书架早就堆得放不下了。

   yóu​yú tā tiān​shēng yǒu shū​pǐ, jiā​lǐ de shū​jià zǎo jiù duī de fàng bù​xià le.

   Because he is a natural bibliophile, his bookshelves have long been too full to hold any more books.

   Source: Dong Chinese Dictionary