古希腊人认为波斯人是野蛮人，因为他们不遵循希腊的习俗。

The ancient Greeks considered the Persians to be ___barbarians because they did not follow Greek customs.

他竟然在音乐会上大声讲电话，真是个野蛮人。

He was talking loudly on the phone during the concert—what a ___barbarian!

那些野蛮人袭击村庄时毫不留情。

The ___barbarians showed no mercy when they attacked the village.