My maths was poor. He promised that he would help me with it.

问题描述:

My maths was poor. He promised that he would help me with it.
这句的意思是什么.
但最主要的还是那个with在这里的意思是什么..
大概意思我知道,但那个with

我的数学不好,但是他曾经承诺会帮助我学数学
具体翻译不好翻译,就是help sb with sth在某方面帮助某人