She avenged her mother's death upon the murderer.是什么意思？

She avenged her mother's death upon the murderer.

他惩处了凶手,为母亲报了仇.

she

pron. 她，它；

例句
Her lover walked out on her after she had aborted their child.
她的情人在她打掉胎儿后甩了她。

avenged

v. 为…复仇，报…之仇( avenge的过去式和过去分词 )，为…报复；

例句
She avenged her mother's death upon the Nazi soldiers.
她惩处了纳粹士兵以报杀母之仇.

her

pron. (she的宾格)她，(she的所有格)她的，她，指某个国家，（一艘）船；

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

death

n. 死亡，（某种）死法，死亡方式，病危，死神；

例句
The following year Parliament voted to abolish the death penalty for murder...
议会于翌年表决对谋杀罪废除死刑。

upon

prep. 在…上面，当…时候；

例句
...the doctrine of absolute monarchy based upon divine right.
以神权为基础的君主专制学说

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

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

murderer

n. 谋杀犯，凶手；

例句
Now the murderer has two deaths on his conscience.
现在，这个杀人犯背着两条人命，受到了良心的谴责。