正文:
Definitely?
确定吗?
Are you sure?
你肯定吗?
Is there any doubt?
有什么疑问吗?
How can that be?
怎么会这样?
经典句扩展:
You couldn't have been mistaken, could you?
你不会弄错的,对吧?
Are you certain about his coming?
你确信他会来吗?
Perhaps I misunderstood, but are you sure what to do?
也许我误解了,不过你确实知道该怎么做吗?
Is there any room for doubt about it?
对此事有怀疑的余地吗?