YOU SAID:
they will bite your arm off if you offer to write their essay.
INTO JAPANESE
あなたが彼らのエッセイを書くことを申し出れば、彼らはあなたの腕を噛み砕くでしょう。
BACK INTO ENGLISH
If you offer to write their essay, they will bite your arm.
INTO JAPANESE
あなたが彼らのエッセイを書くことを申し出るならば、彼らはあなたの腕を噛むでしょう。
BACK INTO ENGLISH
If you offer to write their essay, they will bite your arm.
You've done this before, haven't you.