2 sentences for 不下 (bù​xià — cannot fit)

1. 这只口袋装不下这么多土豆。

   zhè zhī kǒu​dài zhuāng bù​xià zhè​me duō tǔ​dòu.

   This bag cannot hold so many potatoes.

   Source: Dong Chinese Dictionary

2. 由于衣服太多，那个皮笼已经装不下了。

   yóu​yú yī​fu tài duō, nà​gè pí​lóng yǐ​jīng zhuāng bù​xià le.

   The leather trunk could not hold any more because there were too many clothes.

   Source: Dong Chinese Dictionary