YOU SAID:

i dont know how to say this but you are ugly

INTO JAPANESE

私はこれを言う方法を知らないが、あなたは醜いです

BACK INTO ENGLISH

I do not know how to say this, but you are ugly

INTO JAPANESE

私はこれを言う方法がわからないが、あなたは醜いです

BACK INTO ENGLISH

I do not know how to say this, but you are ugly