YOU SAID:

Please excuse my younger twin brother's rash behavior and except my apology in behalf of us.

INTO JAPANESE

私の双子の弟の軽率な行動をお許しください。私たちを代表してお詫びを申し上げます。

BACK INTO ENGLISH

Please forgive my twin brother's careless behavior. On behalf of us, we apologize.

INTO JAPANESE

双子の弟の軽率な行動を許してください。私たちを代表してお詫び申し上げます。

BACK INTO ENGLISH

Please forgive my twin brother's careless behavior. On behalf of us, we apologize.