YOU SAID:
your mother is ridiculously strict
INTO JAPANESE
あなたのお母さんはとんでもなく厳しいです
BACK INTO ENGLISH
your mother is extremely strict
INTO JAPANESE
あなたのお母さんはとても厳格です
BACK INTO ENGLISH
your mother is very strict
INTO JAPANESE
あなたのお母さんはとても厳しいです
BACK INTO ENGLISH
your mother is very strict
That didn't even make that much sense in English.