awake
[əˈweik]
adj.
醒着的
He was the only one boy awake at that time.
他是当时惟一醒着的男孩.
觉醒的, 洞察的
The explorer was ever awake for the dangers that surrounded him.
这个探险家时刻提防着周围的危险.
vt. & vi.
醒, 唤醒
She usually awakes at six.
她通常六点醒来.
觉悟到, 使觉悟
awaken
[əˈweikən]
vt. & vi.
(使)醒, 弄醒
I was awakened by their shouts.
我被他们的叫喊声吵醒.
两者是同义词
其实没太大的区别 也许一些小地方不相同吧