Not wanting to talk back either, he simply glared.是什么意思？

Not wanting to talk back either, he simply glared.

也不愿还口.他只瞪了她一眼.

not

adv. 不，[用以表示否定、否认、拒绝、禁止等]不是，几乎不，未必，没有[用于否定后面的词或短语]；

例句
It became very clear that the incident was not just an aberration, it was not just a single incident.
事实已经很清楚，这件事不是偶发的，它并不是一起孤立的事件。

wanting

adj. 欠缺的，不足的；v. 缺少( want的现在分词 )，应该，打算，需要…在场；

例句
What he wants is a switch to a market economy in a way which does not reduce people's standard of living. To many this sounds like wanting to have his cake and eat it.
他想要转型为市场经济,同时又不降低人们的生活水平。在许多人看来,这是想要鱼与熊掌兼得。

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

talk

v. 说话，讨论，讲，说，说闲话；n. 交谈，讨论，报告，空话；

例句
...trying to talk above the noise...
努力使说话声高过噪音

back

n. 背，背部，背面，反面，后面，后部，（椅子等的）靠

例句
He looked back at the abject, silent girl and repeated his question.
他转过头看着这个噤若寒蝉的女孩，又重复了一遍他的问题。

either

pron. （两者之中）任何一个；adj. （两者中）任一的，非此即彼的，两者择一的；adv. （否定句中）也，[用于否定句或否定词组后]也（不…），亦，而且，[口语] [用于否定句或否定词组后以加强语气]根本，当然；conj. [通常用于“either…or…”结构中]或者，要么[在“either…or…”结构中，动词的人称和数一般与离得最近的主动响应，但有时用第三人称单数，在口语中也有把两个主语合在一起用作复数的]；

例句
His hand brushed against hers; it could have been either accidental or deliberate.
就在有意无意间，他的手轻轻拂过她的手。

he

pron. 他，它，一个人；n. 雄性动物；

例句
Logic had prevailed and he had abandoned the idea.
最终理智占了上风，他打消了那个念头。

simply

adv. 简单地，朴素地，（引出概括或解释）不过，仅仅，简直，<非正>实在；

例句
Many parents simply abdicate all responsibility for their children.
许多父母对孩子简直是完全撒手不管。

glared

v. 怒目而视( glare的过去式和过去分词 )，发强光；

例句
She glared at both of them with burning, reproachful eyes.
她瞪着他们俩，目光中充满怒火和责备。