2 sentences for 高低 (gāo​dī — unevenness)

1. 这里的围栏高低参差不齐。

   zhè​lǐ de wéi​lán gāo​dī cēn cī bù​qí.

   The fence here is of uneven height.

   Source: Dong Chinese Dictionary

2. 这条小路高低不平，很难走。

   zhè tiáo xiǎo​lù gāo​dī bù​píng, hěn nán zǒu.

   This path is uneven and very difficult to walk on.

   Source: Dong Chinese Dictionary