3 sentences

1. 他脚下登着一双黑皮鞋。

   tā jiǎo​xià dēng zhe yī shuāng hēi pí​xié.

   He was wearing a pair of black leather shoes.

   Source: Dong Chinese Dictionary

2. 你要注意脚下的路。

   nǐ yào zhù​yì jiǎo​xià de lù.

   You should watch your step.

   Source: Dong Chinese Dictionary

3. 我们站在高处，俯览着脚下的城市景色。

   wǒ​men zhàn zài gāo​chù, fǔ​lǎn zhe jiǎo​xià de chéng​shì jǐng​sè.

   Standing on high ground, we looked down at the city scenery below.

   Source: Dong Chinese Dictionary