ill informed meaning in English

所知不多
消息不灵通

If we have no information about the current affairs , we are ill informed
如果我们不了解时事，我们就会变得孤陋寡闻。
Although china discovered this method a little late , which is the reason why much of society is ill informed , it has begun to change tack in recent years
虽然中国发现这个方法有些晚，导致了整个社会对爱滋病不够了解，但是近年来这种情况已经得以改变。