Do you have trouble learning English?这里learn为什么+ing?

问题描述:

Do you have trouble learning English?这里learn为什么+ing?

固定搭配:have trouble doing sth

have trouble/difficulty/problems (in) doing sth 做某事有困难
固定搭配,用learning

have trouble (in) doing sth 这是固定搭配,所以learn 后要加ing