YOU SAID:

I'm not sure if so much, and i don't know how to get that desired certainty

INTO JAPANESE

私はそんなにわからない、と私はその望ましい確実性を得る方法がわからない

BACK INTO ENGLISH

I don't know so much, and I don't know how to get that desired certainty

INTO JAPANESE

私はあまり知らないし、その望ましい確実性を得る方法がわからない

BACK INTO ENGLISH

I don't know much and don't know how to get that desired certainty

INTO JAPANESE

私はあまり知らないし、その望ましい確実性を得る方法を知らない

BACK INTO ENGLISH

I don't know much and I don't know how to get that desired certainty

INTO JAPANESE

私はあまり知らないし、私はその望ましい確実性を得る方法を知らない

BACK INTO ENGLISH

I don't know much and I don't know how to get that desired certainty