美国影视作品中常见口语短语(2)

go over one's head =contact someone's superior向上级告状

The DVD player I bought is defective , I wrote to a letter to the complaint department , but  they didn't do anything . I'm going to go over their heads .

I know you don't like your boss , but you can't complain to his boss about it, because you can't go over his head .