实用口语：be in over one's head

Be in over one’s head 处于某种困难的境地，很难解决和应对、处理和摆脱

e.g. I think I’m in over my head with Amy. She wants marriage, kids and a house, and I’m just not ready for any of that.  我觉得我跟Amy现在有点难搞，她想要结婚，要孩子，有个房子。但是我现在还没准备好。

e.g. When I became a graduate student I knew at once I was in over my head. 当我是研究生的时候，我就知道，我要麻烦了。