He did not vouchsafe a reply.是什么意思？

He did not vouchsafe a reply.

他未予答复.

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。

did

v. 做( do的过去式)，干，学习，研究；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

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。

vouchsafe

vt. 给予，赐予，允诺；

例句
Elinor would not vouchsafe any answer.
埃莉诺不想给予任何回答.

reply

n. 回答，答复，反应，报复（行动），[法律]答辩；vi. [法律]（原告对被告）答辩，反响，作答，（以行动）做出反应；vt. 回应，作出反应；

例句
Before I could attempt a reply he added over his shoulder: 'Wait there.'
还没等我回答他就回头又说了一句：“在那儿等着。”