YOU SAID:
They didn't think they could bear it if anyone found out about the Potters.
INTO JAPANESE
誰かがポッターについて知った場合、彼らはそれを我慢できるとは思わなかった。
BACK INTO ENGLISH
If someone knew about Potter, they didn't think they could endure it.
INTO JAPANESE
誰かがポッターについて知っていたら、彼らはそれを我慢できるとは思わなかった。
BACK INTO ENGLISH
If someone knew about Potter, they didn't think they could endure it.
You've done this before, haven't you.