chinese is not easy for me ,but i like it very much .i 'm going to work hard at it.请问这句中的work hard at 是什么意思?

分类: 作业答案 • 2021-12-19 16:19:09

问题描述：

chinese is not easy for me ,but i like it very much .i 'm going to work hard at it.
请问这句中的work hard at 是什么意思?

答