YOU SAID:

But if you know not this, my manners tell me

INTO JAPANESE

しかし、あなたがこれを知らないなら、私のマナーが教えてくれます

BACK INTO ENGLISH

But if you don't know this my manners will tell you

INTO JAPANESE

しかし、あなたがこれを知らなければ、私のマナーが教えてくれます

BACK INTO ENGLISH

But if you don't know this, my manners will tell you

INTO JAPANESE

でも、あなたがこれを知らないなら、私のマナーが教えてくれます

BACK INTO ENGLISH

But if you don't know this, my manners will tell you