YOU SAID:

That's a blunder, why's he done that?

INTO JAPANESE

それは大失敗だ、なぜ彼はそんなことをしたのか？

BACK INTO ENGLISH

That's a fiasco, why did he do that?

INTO JAPANESE

それは大失敗だ、なぜ彼はそんなことをしたのか？

BACK INTO ENGLISH

That's a fiasco, why did he do that?