be aware of 与aware of 的区别

这是同一个词组,没有区别.
aware 是个形容词,意思是：意识到、察觉到.
使用时前面必须加一个情态类动词,例如：
I don't think people are really aware of just how much it costs.我觉得人们没有真正意识到要多少费用.
He was well aware of the problem.他很明白问题是什么.
They suddenly became aware of people looking at them.他们突然意识到别人在看着他们.
注：例句来自牛津字典