You got me

你听懂我了。

A: Ben, what are you doing?
B: Well, I would say that I’m just ⑴drifting ---- here, in the pool.
A: Why?
B: Well, it’s very comfortable just to drift here.
A: Have you thought about graduate school?
B: No.
A: Would you mind telling me then — what were those four years of college for? What was the point of all that hard work?
B: You got me.
“你（这么问）把我给难倒了”（即“我不知道怎么样回答你的问题”）

你明白我说的了

你难倒我了！

你给我