noun · Ethnic groups residing in the northern and western regions of China during ancient times, such as the Xiongnu or Xianbei.

汉代时期，北方的胡人经常南下与中原进行贸易或冲突。

noun · A general historical term for non-Han people or individuals from the Western Regions, sometimes used with the connotation of being a barbarian.

在唐朝的市集上，可以看到许多经商的胡人。