底下人

tā men shì dǐ xia rén

他们是底下人。

Those are under servants.

nǐ bù xǔ hé dǐ xia rén dǎ jiāo dào

你不许和底下人打交道。

You are not to associate with servants.

shàng bian méi shuō huà dǐ xia rén bù hǎo zuò zhǔ a

上边没说话，底下人不好做主啊。

A subordinate cannot make a decision without word from his superior.