Sofia Petrovna co-opted Natasha as her assistant.是什么意思？

Sofia Petrovna co-opted Natasha as her assistant.

索菲亚·彼得罗夫娜拉拢娜塔莎做她的助手。

Sofia

n. 索非亚（保加利亚首都）；

例句
Underneath, Sofia was deeply committed to her husband.
索菲娅从内心里对丈夫忠贞不贰。

Natasha

n. 娜塔莎（亦作Natascha）(f.)；

例句
Sofia Petrovna co-opted Natasha as her assistant.
索菲亚·彼得罗夫娜拉拢娜塔莎做她的助手。

as

adv. 同样地，一样地，例如；prep. 作为，以…的身份，如

例句
As far as I can recall, Patti was a Smith.
我记得帕蒂是姓史密斯的。

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。

assistant

n. 助手，助理，[化学]（染色的）助剂，辅助物，店员，伙计；adj. 助理的，辅助的，有帮助的，副的；

例句
Her assistant was accused of theft and fraud by the police...
她的助手被警方指控犯有盗窃和欺诈罪。