3 sentences for 不下 (bù​xià — be unable to (swallow/down))

1. 我真的再也吃不下了。

   wǒ zhēn​de zài yě chī bù​xià le.

   I really can't eat anymore.

   Source: OpenSubtitles

2. 他因为心情不好，什么饭都吃不下。

   tā yīn​wèi xīn​qíng bù hǎo, shén​me fàn dōu chī bù​xià.

   He couldn't eat anything because he was in a bad mood.

   Source: Dong Chinese Dictionary

3. 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