2 sentences for 崩 (bēng — chip)

1. 这把菜刀的刃口崩了一个小缺。

   zhè bǎ cài​dāo de rèn​kǒu bēng le yī​gè xiǎo quē.

   The edge of this kitchen knife has a small nick.

   Source: Dong Chinese Dictionary

2. 这把菜刀不小心磕在石头上，崩了一个口子。

   zhè bǎ cài​dāo bù xiǎo​xīn kē zài shí​tou shàng, bēng le yī gè kǒu​zi.

   This kitchen knife was accidentally struck against a stone, and a chip was taken out of the blade.

   Source: Dong Chinese Dictionary