YOU SAID:

but in this case im not so sure

INTO JAPANESE

しかし、この場合はよくわかりません

BACK INTO ENGLISH

But in this case I'm not sure

INTO JAPANESE

しかし、この場合はわかりません

BACK INTO ENGLISH

But I don't know in this case

INTO JAPANESE

でもこの場合はわかりません

BACK INTO ENGLISH

But I don't know in this case