I had had a few beers and was completely non compos mentis.是什么意思？

I had had a few beers and was completely non compos mentis.

我喝了些啤酒就头昏脑胀了.

had

v. 有（ have的过去式和过去分词 ），（亲属关系中）接受，拿，买到；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

few

adj. 很少的，很少，（与复数名词和复数动词连用）有些，几乎没有的；pron. 很少，有些（人、事物、地方），（与复数动词连用）少数人，不和…一般多；n. 很少数；

例句
I've known clients of mine go to absurd lengths, just to avoid paying me a few pounds...
我知道我的一些客户就为了少付我几英镑，可谓无所不用其极。

beers

n. 啤酒( beer的名词复数 )，一杯（或一瓶、一罐）啤酒；

例句
The Muller family have been making specialist beers at their brewery in Munster for 200 years.
马勒家族已经在他们位于明斯特的啤酒厂专门从事啤酒酿制达200年之久。

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

was

v. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质（ be的过去式 ），在，存在，不受干扰；

例句
There was a terrible sadness in her eyes...
她眼神中流露出深深的悲伤。

completely

adv. 完全地，完整地，完全，彻底，全部，一干二净，很，非常，充分，十分，万分；

例句
...a second career which absorbed her more completely than her acting ever had.
比演艺生涯更让她投入的又一职业

Non

adv. 非，不；n. [法]反对票，投反对票的人；

例句
Above its doors was a Latin inscription: Non omnia possumus omnes...
门的上方刻有拉丁文铭“人非万能”。

compos

abbr. components 成分，composites 合成的，composers 作家，compositions 写作；n. 混合涂料，灰泥，工伤赔偿( compo的名词复数 )；

例句
He's not quite compos mentis , ie He's a little mad.
他有点儿疯.