1) The blame rests entirely with me.

这事全怪我。
2) I take the blame.

这全怪我。
3) I have to take the blame.

这事应怪我。
4) I shouldn't have poked my nose into this.; I shouldn't have interfered.

怪我多事。
5) It's entirely my fault.

全怪我。
6) I'm entirely to blame for that.

这件事全赖我。
参考词条