请问句中的介词about指什么?

来源：学生作业帮编辑：拍题作业网作业帮分类：英语作业时间：2024/04/27 23:16:41

请问句中的介词about指什么?
The two things 【about】 which Marx was not sure were the grammar and some of the idioms. 马克思不大有把握的两个方面是语法和某些习惯用语
是不是这样?如下：

翻译正确
The two things about which Marx was not sure were the grammar and some of the idioms.
主语 the two things
谓语 were
定语 about which Marx was not sure
表语 the grammar and some of the idioms
about 是短语 be sure about 对...有把握,由于在定语从句中,所以要放在连接词which前面.
句子还可以写成：The two things which Marx was not sure about were the grammar and some of the idioms.

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