I didn't know I'd killed him. I was in a daze, a total and utter daze.我都不知道我把他杀了。我陷入了迷茫之中, 完全彻底的迷茫之中。

They are wandering around in a daze somewhere and don't know who they are.他们迷茫地在某个地方徘徊, 不知道他们到底是谁。

I was in such a daze from the painkillers.止痛药的作用让我恍恍惚惚的。