YOU SAID:
I apologize for my language; I am unskilled at speaking and writing in other languages because the education system in my country is self-centered.
INTO JAPANESE
私の言葉遣いについてお詫び申し上げます。私の国の教育制度は自己中心的であるため、私は他の言語で話したり書いたりするのが苦手です。
BACK INTO ENGLISH
I apologize for my wording. I am not good at speaking and writing in other languages because my country's education system is self-centered.
INTO JAPANESE
私の言葉遣いについてお詫び申し上げます。私の国の教育システムは自己中心的であるため、私は他の言語で話したり書いたりするのが苦手です。
BACK INTO ENGLISH
I apologize for my wording. I am not good at speaking and writing in other languages because my country's education system is self-centered.
You've done this before, haven't you.