There exists between these two ethnic groups an unreasoning hatred of one another .
这两个种族群体之间有一种无理智的仇恨。
The only thing we have to fear is fear itself -- nameless , unreasoning , unjustified terror .
我们唯一不得不畏惧的是畏惧本身一种莫名其妙、丧失理智的、毫无根据的恐惧。
The only thing we have to fear is fear itself -- nameless , unreasoning , unjustified terror which paralyzes needed efforts to convert retreat into advance .