YOU SAID:

I'll need to do a bit of fiddling with it

INTO JAPANESE

私はそれを少しいじる必要があります

BACK INTO ENGLISH

I need to tweak it a little

INTO JAPANESE

少し微調整する必要があります

BACK INTO ENGLISH

Need to tweak a little

INTO JAPANESE

少し調整する必要があります

BACK INTO ENGLISH

Need to adjust a little

INTO JAPANESE

少し調整する必要があります

BACK INTO ENGLISH

Need to adjust a little