He managed to acquire a thin veneer of knowledge to mask his real ignorance.他设法装出有点知识的外表，用来掩饰自己的无知。She remained in blissful ignorance of these events.她有幸一直不知道这些事情.What shocked me was the discourteousness and ignorance of...
Ignorance of people brings fear, fear of the unknown.人们的无知会带来恐惧，对未知事物的恐惧。Her ignorance of the area put her at a decided disadvantage.她对该地区一无所知，这显然对她不利。I was alarmed by his naivety and ignorance of international affairs.他...