YOU SAID:
i am going to smash you're mom
INTO JAPANESE
私はあなたを粉砕するつもりのお母さんをしています。
BACK INTO ENGLISH
I'm going to smash your MOM.
INTO JAPANESE
私はあなたのお母さんを粉砕するつもりです。
BACK INTO ENGLISH
I'm going to smash your MOM.
That didn't even make that much sense in English.