まさか！そんなわけないでしょ！って英語でなんて言うの？

"まさか！そんなわけないでしょ！"
- As if! There's no way that's true!

まさか！
- As if!
- No way!
- 両方使う

「彼女、怒っているけど何か怒らせるようなことしたの？」
She's upset. What did you do to make her angry?

「まさか！僕がそんなことするわけないでしょ！」
- As if! There's no way I would do something to make her upset!
- No way! There's no way I would do such a thing!
- No way! As if I would make her angry!