YOU SAID:
If at first you don't succeed,
INTO JAPANESE
最初に成功しなかった場合、
BACK INTO ENGLISH
If you didn't succeed in the first place,
INTO JAPANESE
そもそも成功しなかった場合、
BACK INTO ENGLISH
If you don't succeed in the first place,
INTO JAPANESE
そもそも成功しなければ、
BACK INTO ENGLISH
If we don't succeed in the first place,
INTO JAPANESE
そもそも成功しなければ、
BACK INTO ENGLISH
If we don't succeed in the first place,
You've done this before, haven't you.