今天很糟糕. could be having a better day 直译是怎么也会比现在的情形好,也就是说现在很不好.注意这里的实际上是虚拟语气的用法,表达的意思是和事实相反的.例句： Sigh.I wish I could be having a better day. 叹气.我倒想今天没那么糟糕.(已经在发生) I don't think I could be having a better day! 今天好得不能再好了!(注意don't think起的否定作用,把负面的意思变成了正面的.)
