2 sentences for 岔 (chà)

1. 他一不留神，走岔了道。

   tā yī bù liú​shén, zǒu chà le dào.

   He took the wrong path because he wasn't paying attention.

   Source: Dong Chinese Dictionary

2. 河流在这里形成了一个岔，分成了两条支流。

   hé​liú zài zhè​lǐ xíng​chéng le yī gè chà, fēn​chéng le liǎng tiáo zhī​liú.

   The river forks here, splitting into two tributaries.

   Source: Dong Chinese Dictionary