1. We are in complete ignorance of your plans.
    我们对你的计划一无所知.

2. No one can plead ignorance of a subject any longer, for there are countless do-it-yourself publications.
    由于出版了不计其数的教人自己动手做事的书报杂志，没有人再能说对某事一无所知。

3. He contemned her ignorance.
    他蔑视她的无知。

4. His ignorance is incurable.
    他的无知是不可就药的。

5. He holds that ignorance leads to superstition.
    他认为无知会导致迷信。

6. After speaking with thousands of parents, children and teachers, we were alarmed at the public's wealth of environmental ignorance.
    在与几千名家长、孩子和教师交谈之后，我们惊讶地发现，人们的环境知识是那么的贫乏。

7. She professed total ignorance of the matter.
    她自称对那事一无所知.

8. I've always advocated gun control; the odd thing is I still do. It wasn't ignorance of crime statistics that previously kept me from owning a gun nor thinking I was immune to violence.
    我一贯主张控制枪支，奇怪的是我现在依然主张控制枪支。以前我没有枪，并不是因为我对有关犯罪的统计资料不了解，也不是因为我自认为可以不受暴力的袭击。