Don't I know how old she is; eight years old and ignorant of everything.

我不知道她多大了吗？八岁，什么都不懂。

That doesn't mean the market has any right to be ignorant of events that are barreling down the pike toward it.

那并不意味着市场有权对纷至沓来的重大事件一无所知。

Poor Laura was at a loss to account for her cousin's angry behaviour, and ignorant of what she had offended him.

可怜的劳拉不知道她表哥为什么生气，也不知道她得罪了他什么。

At that time I was ignorant of events going on elsewhere.

那时我并不了解其他地方发生的事情。

I'm statistic-phobic, and hopelessly ignorant of medicine.

我对统计数据感到恐惧，对药物也一窍不通。