2 sentences for 错 (cuò — interlock)

1. 这里的地形重叠交错，进山后很容易迷路。

   zhè​lǐ de dì​xíng chóng​dié jiāo cuò, jìn​shān hòu hěn róng​yì mí​lù.

   The terrain here is overlapping and crisscrossed; it's easy to get lost after entering the mountains.

   Source: Dong Chinese Dictionary

2. 这两座山岭的山势互相参错，地形非常复杂。

   zhè liǎng zuò shān​lǐng de shān​shì hù​xiāng cān cuò, dì​xíng fēi​cháng fù​zá.

   The terrain of these two ridges is intertwined and complex.

   Source: Dong Chinese Dictionary