YOU SAID:

Im completely flabberghasted that you would act like that

INTO JAPANESE

そんなふうに振る舞うなんて、すっかり呆れてしまった。

BACK INTO ENGLISH

I was totally shocked to behave like that.

INTO JAPANESE

そんなふうに振る舞うとは全くショックでした。

BACK INTO ENGLISH

I was utterly shocked to behave like that.

INTO JAPANESE

そんなふうに振る舞うとは全くショックでした。

BACK INTO ENGLISH

I was utterly shocked to behave like that.