She established her authority with unrelenting thoroughness...是什么意思？

She established her authority with unrelenting thoroughness...

她坚定地树立起自己绝对的权威。

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。

established

adj. 已建立的，已设立的，已制定的，确定的；v. 建立（ establish的过去式和过去分词），确定，[植物学]使（植物）定植，使成为；

例句
Forster established the essentiality of minerals as accessory food factors required for maintaining life.
福斯特证实了矿物质作为辅助食物因子在维持生命方面的重要性。

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。

authority

n. 权威，权力，学术权威，[复数]当权者；

例句
Popular acceptance of authority had been an early aim of the Nationalists.
国家主义者的一个早期目标是推动民众对权威的接受。

with

prep. 和，跟，随着，关于，和…一致；

例句
A waiter entered with a tray...
侍者端着托盘进来了。

unrelenting

adj. 无情的，不松懈的，不屈不挠的；

例句
He was unrelenting in his pursuit of legal mandate.
他坚决要求得到合法的托管权.

thoroughness

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例句
The thoroughness of the evaluation process we went through was impressive.
我们亲历的评估过程面面俱到，给人留下了深刻印象。