YOU SAID:
My dad just ruined my plans
INTO JAPANESE
お父さんはちょうど私の計画を台無しにした
BACK INTO ENGLISH
Dad just ruined my plan
INTO JAPANESE
お父さんはちょうど私の計画を台無しにしました
BACK INTO ENGLISH
Dad just ruined my plan
That didn't even make that much sense in English.