Keep you eyes openopen在这里的词性是什么?open还有什么词性?

这里是形容词,意为保持眼睛睁开.下面是它的词性：
名词：【体】公开赛
旷野,空地[the S]
户外,野外[the S]
We spent that night in the open.那夜我们在野外度过.
及物动词使畅通
使开张(营业)
He opened a grocery store last month.上个月他开了一爿杂货铺.
铺开,展开
开;打开
I opened the window after I got up.我起床后便把窗子打开.
不及物动词展现
A great future opens before them.远大的前程展现在他们面前.
开业
开始
The fair opened on March 17.交易会于三月十七日开幕.
开;张开;展开
The flowers are opening.花正在开放.
[美] [ˈopən] [英] [ˈəupən]
形容词打开的
My door is always open to visitors.我的门永远向来访者敞开.
愿意接受的;易招致...的[F][(+to)]
They are open to temptations.他们容易受诱惑.
I am open to suggestions.我愿意接受各种建议.
【语】(元音、音节)开的
开放的,可以*参加的[(+to)]
That's an open society.那是一个开放的社会.
公开的,公然的,不隐晦的
It's an open secret that his firm is going bankrupt.他公司即将破产一事已是公开的秘密.
(工作、职位)空缺的[F]
The position is still open.那个职位仍空缺着.
营业的,办公的;出入*的[F]
Is the store open from 9 to 那家商店是从上午九点营业到晚上七点吗?
悬而未决的,未定的
This is still an open question.这仍然是一个尚未解决的问题.
敞开的,开着的;无顶的
开阔的,空旷的[B]
In front of us we saw a stretch of open fields.我们看到在我们的身前是一片开阔的田野.