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?
答
固定搭配:have trouble doing sth
答
have trouble/difficulty/problems (in) doing sth 做某事有困难
固定搭配,用learning
答
have trouble (in) doing sth 这是固定搭配,所以learn 后要加ing