over your head
US /ˈoʊvər jʊər hɛd/
UK /ˈoʊvər jʊər hɛd/

1.
超出理解范围, 太难了
too difficult or complicated for someone to understand
:
•
The professor's lecture went completely over my head.
教授的讲座完全超出我的理解范围。
•
This advanced math problem is a bit over my head.
这个高级数学问题有点超出我的理解范围。
2.
越过某人, 未经某人同意
without someone's knowledge or approval, especially when it should have been obtained
:
•
They made the decision over my head, even though I'm the project manager.
他们越过我做出了决定,尽管我是项目经理。
•
Don't go over my head to the director; talk to me first.
不要越过我直接找主管;先跟我谈谈。