A:Hey,what's the matter?
嗨,怎么啦?
B:It doesn't matter.I just feel a little dizzy.
没关系。我只不过觉得迷糊。
A:Are you sure that this has nothing to do with sleep?
你肯定这跟睡眠无关吗?
B:I don't know.
我不知道。