YOU SAID:

hey buddy, im pretty sure that theory isn't very right

INTO JAPANESE

ねえバディ、理論があまり正しくないことはかなり確信している

BACK INTO ENGLISH

Hey Buddy, I'm pretty sure the theory isn't very correct

INTO JAPANESE

ねえバディ、私は理論があまり正しくないと確信しています

BACK INTO ENGLISH

Hey Buddy, I'm sure the theory isn't very correct

INTO JAPANESE

ねえバディ、理論はあまり正しくないと確信しています

BACK INTO ENGLISH

Hey Buddy, I'm sure the theory isn't very correct