not know what hit you informalto feel shocked and confused because something happens when you were not expecting it to大为惊讶,深感意外:•Poor man, I don't think he knew what hit him.可怜的人,我想他是惊呆了。not know what ˈhit you(informal)to be so surprised by sth that you do not know how to react因吃惊而不知所措;惊呆了 |