His prejudiced opinion about that region was formed without ever visiting it.

prejudiced 是形容词，来自名词 prejudice（偏见）。prejudice 由前缀 pre-（表示"预先"）和词根 judice（来自拉丁语 judicium，意为"判断"）组成，字面意思是"预先判断"，即"在了解事实前就形成的负面看法"。 prejudiced 表示"带有偏见的"，形容人在缺乏足够了解的情况下就形成的负面态度或观点。