YOU SAID:
me and my sister are getting high on weed today
INTO JAPANESE
私と妹は今日雑草が増えています
BACK INTO ENGLISH
Me and my sister are growing weed today
INTO JAPANESE
私と妹は今日雑草を育てています
BACK INTO ENGLISH
Me and my sister grow weeds today
INTO JAPANESE
私と妹は今日雑草を育てています
BACK INTO ENGLISH
Me and my sister grow weeds today
That didn't even make that much sense in English.