YOU SAID:

my friend is being stupid and i cant get her to stop

INTO JAPANESE

私の友人は愚かで、私は彼女を止めることができません

BACK INTO ENGLISH

my friend is stupid and i can't stop her

INTO JAPANESE

私の友人は愚かで、私は彼女を止めることはできません

BACK INTO ENGLISH

my friend is stupid and i can't stop her