have problems doing sth与 have trouble doing sth
问题描述:
have problems doing sth与 have trouble doing sth
have problems doing sth .
have trouble doing sth.都是对的吗?
trouble是可数的吧,怎么不是 troubles?
答
have problems doing sth:做什么有什么问题.
have trouble doing sth:做什么有麻烦(做“麻烦”讲时没有复数形式)